DIVISION OF VERTEBRATE PALEONTOLOGY — GILMORE 367

tracks from the

Mesa

Verde,

Upper

Cretaceous,Clear Creek, Utah, were transferredbytheUnited StatesGeological Survey.

A

collection of Pleistocene mannnals from INIelbourne, Fla., was presented by CharlesP. Singleton. It includedthe skull and mucli of the skeleton of a mastodon.

A

small collection of

mammalian

fossils from Chihuahua, Mexico, was presented by Mrs. Bruce D.

Brown. Three well-preserved turtles from the

Upper

Cretaceous, Kirtland of

New

Mexico were received in exchange with Ward's Natural Science Establishment.

The

collection of fossil cetaceans was materially enriched by two .sperm-whale skulls,the typeofAulophysetei' morrlcei (Kellogg,R., CarnegieInst. Washington Publ. 846,pp. 1-43,pis. 1-9, 1927) from the Temblor, Miocene of California, presented by Charles Morrice, and the typeskull ofXenorophus sloanii (Kellogg,R., Smithsonian Misc. Coll., vol. 76,No.7,pp. 1-7,pis.1,2,1923) from theOligocene of SouthCarolinawaspresented byEarle Sloan.

A

^{collection of fishes from the Lompoc,}

^Upper

^{Miocene, of Cali-}

forniaw^aspresented by DavidStarr Jordan. Skull andlower jaws of

Equus

Imnheifromthe Pleistocene ofAlaska werepurchased.

Plastercastsof the typeskullsof Batrachosiwhushroioni,Dlcynodon kolhei,andSti'ufhiocephaluswhaitsiwerereceived inexchangewith the South African

Museum.

Casts of the types ofAndrewsarchiis and Proani'phicyonwerereceived inexchangewiththeAmerican

Museum

ofNatural History.

1926

A

large collectionoffossil tracks fromthe Coconino,Hermit, and Supaiformations of the

Grand Canyon

was

made

forthe

Museum

by ('harles

W.

Gilmore (Gilmore,C.W., SmithsonianMisc.Coll., vol. 80, No.3,pp. 1-78,pis.1-21, 1927). Additional footprint materialfrom theTriassic of

New

Jersey

was

received inexchange with Princeton University.

A

collectionof38speciesof Pleistocene

mammals made

byJames

W.

GidleyfromMelbourne,Fla.,including a crushed

human

skullfound intermingledwith theanimalremains,gave important evidenceof their contemporaneity (Loomis, F.B.,Nat.Hist.,vol.26,pp.260-262,1926)

.

He

also

made

asmallcollectionof Pleistocene

mammal

remainsfrom

Long Horn

Spring, Okla.

A

furthercollectionof cetaceanremains fromthe Calvert,Miocene of Chesapeake

Bay

region

was made

by Remington Kellogg and Noi-man H. Boss.

Two

specimens of a well-preserved skeleton of Priscodelphinus atropius and a fineskull and partial skeleton of a smaller porpoise are deservingof specialmention.

A

partial skeleton of a long-snouted crocodilian from the Green RivershalesofColorado waspresentedbyProf.O. M. Ball. Addi-

368

PROCEEDINGS OF

THE

NATIONAL

MUSEUM

vol.90 tionalcetacean materialsfromtheSookeformationofBritishColum- biawerepresentedbyIra E. Cornwall.

Type

specimen ofBisonsyl- vestris (Hay,O.P.,Proc. U. S.Nat.Miis., vol.48, p.515, 1915) from

Huron

County, Ohio,andasmallcollectionofPleistocenefossilsfrom Vero,Fla.,werepresentedbyOliverP.Hay.

A

well-preservedskullof StenosaumshoUensisfrom Holtzmaden, Germany, wasreceived in ex- changewithWard's Natm'alScience Establislmient.

A

collectionof fiveturtlesfromthe

Upper

Cretaceousof

New

Mexico

was

purchased fromCharlesH.Sternberg.

A

plaster castof theskullof Protocera- topswasreceivedinexchangewith theAmerican

Museum

of Natural Histoi-y.

1927

An

articulated skeleton of Portheus molossus^ three skeletons of Protostegagigas,and twopartial skeletons ofPlatecarpus coryphaeus, allfromthe Niobrara,

Upper

Cretaceous, ofKansas,were purchased from GeorgeF. Sternberg.

A

collectionof Pleistocene

mammals

from Sarasota,Zolfo Springs,andVenice,Fla.,wasassembledby

James W.

Gidley. It also includes apartial skeleton of

EUphas

presentedby theVenice Co.

The

type ofHypsognathusfenneri (Gilmore,C.W.,Proc.U.S.Nat.

Mus.,vol. 73, art.7,pp. 1-8,pis.1-3, 1928) fromtheTriassicof

New

Jersey,waspresentedbyDr.C.N. Fenner. BonesofHesperornisand Ichthyornis from theNiobrara,

Upper

Cretaceous, of Kansas, were presentedby GeorgeF. Sternberg.

A

lower jaw,thetype ofMartes kinseyi (Gidley,J.W.,Journ.

Mamm.,

vol._8,pp. 239-242, 1927) from theMiocene ofMontana,

was

presentedbyC. A. Kinsey. Skullsof

Equus

alashae from the Pleistocene of Alaska were transferred by the United States Geological Survey.

A

plaster cast of the lower jawofTrilophodonangustidens, theoriginalofwhichisinthe

Lyon Museum,

^France,wasreceived inexchangewith theAmerican

Musemn

of Natural History.

1928

A

furthercollectionofPleistocene vertebratesfrom Melbourneand

New

Smyrna, Fla.,

was made

by

James W.

Gidley.

A

nearly complete shell of Trachemys sculpta (Gilmore, C. W., Proc. U. S.

Nat. Mus., vol. 77, art. 10, pp. 1-8, pis. 1-3, 1930) was one of the specimenssecured.

A

skeleton of Clidastes from the Niobrara,

Upper

Cretaceous, of Kansas and a partial skeleton of Parahippus from the Miocene of

Wyoming

werepurchasedfrom GeorgeF.Sternberg.

A

smallcollection offossilfootprintsfrom the

Hermit

and Supai formations of the

Grand

Canyon, Ariz., was

made

by Charles

W.

DIVISION OF

VERTEBRATE PALEONTOLOGY —

GILMORE

369

Gilmore (Gilmore, C. W., Smithsonian Misc. Coll., vol, 80, No. 8,

pp. 7-10, 1928). Types of four species of extinct birds from the Oligocene of Colorado were deposited by the Colorado

Museum

of Natural History(Wetmore,A.,Proc. ColoradoMus.Nat.Hist.,vol_7, pp. 3-14, 1927).

Type

ofPteranodonoregonensis (Gilmore,C.W., Proc. U. S. Nat. Mus., vol. 73, art. 24, pp. 1-5, 1928) from the Cretaceous of Oregon was presentedby the Carnegie Institution of Washington.

1929

A

collection ofdinosaur remains,

made

for the

Museum

under the direction of Charles

W.

Gilmore from the

Two

Medicineformation of Montana, vasthe most important accession of the year.

A

con- siderableportion of theskeletonofan armoreddinosaur, thetype of PalaeoscliKMSr^gosidens, thetypeofStyracosaumsoratus (Gilmore, C. W., Proc. U. S. Nat. Mus.', vol. 77, art. 16, pp. 1-39, pis. 1-10, 1930), and a skullof Dyoplosaurusare specimens worthyofspecial mention.

The

Florida series of Pleistocene

mammals

was augmented by a collection

made

by

James W.

Gidley, Itincluded the typeof a

new

bear,Arctodits

foridawM

(Gidley,J. W.,Journ. Washington Acad.

Sci., vol. 18,pp. 430-433, 1928). '

A

^small collection of

mammals, made

by Dr. Harold T. Stearns fromthe Pleistoceneand Pliocene of Idaho,

was

transmittedbythe United States Geological Survey; a skull of a fossil cetothere from theMioceneof California waspresentedbyDr.K.F. Ousdal.

Four

elephant teeth illustrated by Prof.

Henry

F. Osborn from North Carolina presented by the American

Museum

of Natural History.

Nineslabsoffossiltracksfromthe TriassicoftheComiecticut Valley, Mass.,were received inexchange with Amherst College.

1930

A

collection of horse remains

made

by James

W.

Gidley forthe

museum

from the

Upper

Pliocene near

Hagemian,

^Idaho,

was

an important contribution. It included the type of Plesippus shosho- nemis (Gidley, J. W., Journ.

Mamm.,

vol. 11, pp. 300-303, 1930),

many

skulls andotherskeletal parts, andalso Pleistocene specimens fromthevicinityof

Twin

Falls,Idaho.

A

collection of reptilian specimens from the Kirtland formation,

Upper

Cretaceous of the

San Juan

Basin,

New

Mexico, was

made

for the

Museum

by a party under the direction of C.

W.

Gilmore.

This included the articulated tail of the hadrosaurian reptile Para- scmrolopkus tuhicen and 20 well-preserved turtle specimens, several

370

PROCEEDINGS OF

THE

NATIONAL

MUSEUM

vol.90 of

them

representing

new

species (Gilmore, C.W..Proc. U. S. Nat.

Mus.,vol., 83,pp.159-188pis. 13-18,1935).

A

group ofeightarticulated skeletons of Mesohipfns bairdifrom the Oligocene of western Nebraska and a skeleton of a small mar- supial (Peratherium) fromtheFlorissantofColorado (Gazin,C.L., Journ. Pal., vol.9, pp. 57-62, 1935) werepurchasedfrom George F.

Sternberg.

A

collectionof zeuglodont remains from the Jackson, Eocene, of Alabama,was

made

by Kemington Kellogg and

Norman

H.Bossunder the auspices ofthe Carnegie Institution. It included a beautifully preservedskulland lowerjaws with

much

of theskeleton ofa small zeuglodontZygorhizakochii (Kellogg,R.,CarnegieInst.Washington Publ. 482, pp. 101-176, 1936).

The

cetacean collection was further enrichedbyanearly completeskull andlowerjawswith

much

ofthe skeleton of a large whalebone whale collected fi'om the Calvert, Miocene, nearGovernorsRun,

Md.

;thisspecimenwas^discoveredand presented by the

Maryland

Geological Survey.

A

partial skull of Schizodelphis^ also fromthe Calvertof Maryland,waspresented by WilliamJones.

Two

fossilamphibian skeletonsonslabs,Pelonauru.^ and

BrancMo-

sawnisfrom thePermian of Germany, were purchased.

A

complete shell of

Amy

da

viigmmna

(Lynn,

W.

Gardner, Proc. U. S. Nat.

Mus.,vol. 76, art. 26,pp. 1-4, 1929) fromtheCretaceousofVirginia, wasdepositedbytheGeologicalSurveyofMaryland.

1931

The

most important accession of the year wasa collection of 350 specimens

made

bya party fromthe

Museum

under the direction of Charles

W.

Gilmore from the Bridger, Eocene, of

Wyoming.

Out- standingspecimensinthecollectionwere^:

A

nearlycompletearticu- lated skeleton of Hyrachyus eximiu^s and a skeleton of Helaleten nanus (both

now

mounted and onexhibition), two partial skeletons ofPala£osyops^a skeletonofCrocodylus^and38 well-preservedturtle specimens representing no less than eight genera.

A

second collection of the Pliocene horse Plesippus shoshanensis, from near

Hagerman,

Idaho, was

made

bya party working under thedirectionof J,

W.

^Gidley.

Many

skulls and parts ofskeletons, all in excellent preservation,were secured. Accessory material was lateraddedtothecollectionby the

work

of

Elmer

Cook,

who

carried on independent collecting in these same deposits for the

Museum.

The

type skull of Ti'oodon wyomingensis (Gilmore. C. W., Proc.

U. S. Nat.Mus.,vol. 79, art9,pp. ^1-6, 1931) from tlieLance,

Upper

Cretaceous, of

Wyoming,

and well-preserved skulls ofIchthyodectes and Protosphyraena from theNiobrara chalkofKansas, where pur-

DIVISION OF

VERTEBRATE PALEONTOLOGY

GILMORE 371 chasedfrom GeorgeF.Sternberg.

A

slabof Triassic footprintsfrom

Loudoun

County, Va., was presented by

Frank

C. Littleton. Fossil bird bonesfromthe

Wasatch

Eoceneof

Wyoming

werepresentedby Dr. E.L.Troxell;askull ofEurhinodelphisfromtheCalvert forma- tionofChesapeakeBay, Md.,waspresentedbyArltonMurray.

1932

A

collectionprincipallyof

mammal

remainswas

made

by a party under the directionof Charles

W.

Gilmore in the Wasatch, Eocene, of theBig

Horn

Basin,Wyo.; and ^inthe Miocene andOligocene of western IMontana. Inadditiontoa large

number

ofskulls,jaws,and other partsof skeletons,specimensworthy of especialmention are a considerable part of the skeleton of the large creodont

Pachymna

gigantea, three partial skeletons of Coryphodon, a skull and lower jaws of the rare Ectoganus gUnfoi'mis (Gazin, C. ^L., Proc. Amer.

Philos. Soc, vol. 76, pp. 597-612, 1936), an articulated skeleton of oneof the largermerycoidodonts,and a skullandpartsof the skele- ton of

Dromomeryx,

the two last mentioned from the Miocene of Montana.

A

valuable additionto thecollectionof

Phsippm

shoshonenswre-

mains from

Hagerman,

Idaho, was

made

by a field party working underthe direction of

Norman

H.Boss. Four articulated skeletons, 32skulls,48 jaws,anda vastquantity of bones representingallparts ofthe skeletonweresecured. Thiscollection alsocontained thetype of the fossil goose

Chen

pressa (Wetmore, Alexander, Smithsonian Misc. Coll., vol. 87,No.20,p. 9,1933).

A

^smallcollection of 60 specimensconsisting principally of

mam-

malian skulls from the Oligocene near Douglass, Wyo., was pur- chasedfrom GeorgeF. Sternberg.

Through

gifts from

W. W.

Holmes, of St. Petersburg, and J. E.

Moore,ofSarasota,Fla.,theaviancollectionswereincreasedby

many

specimensfromthe Pleistocene ofthatState.

A

^{skull ofIUpparion}

minusfromtheMioceneofSamos,Greece,waspurchased.

1933

The

most important accessionwas a collection fromthe Oligocene of Nebraska, South Dakota, and

Wyoming, made

by a field party under the direction of Charles

W.

Gilmore during the

summer

of 1932. Specimens worthy of special mention were the type of an extinct eagle, Palaeoplancus sternbergi (Wetmore, A., Smithsonian Misc. Coll., vol. 87, No.19, pp. 1-9, 1933); two articulated skeletons ofMesohippusiairdii; articulated skeletons ofMerycoldodon;skele- ton of Leptomeryx and a skull and partial skeleton of Etismilu^

skaritis (jepsen, Glenn L., Proc. Amer. Philos. Soc, vol. 72, pp.

372

PROCEEDINGS OF

THE NATIONAL

IVfUSEUM ^vol.90 360-362, 1933)^; 120 skulls,

many

partial skeletons, and articulated limbsand feet, all representingmore than20 genera offossil verte- brates.

A

mountable skeleton of

Moropus

elatus from the Miocene of Nebraska and a

mounted

skeleton of Gorgosaunis lihratus (Mat- thew,

W.

D.,Amer. Mus. Nov., No. 89,fig. 1, 1923) from the Belly Eiver,

Upper

Cretaceous,ofCanada, werereceivedthrough exchange with the American

Museum

of Natural History. Neither of these genera was previously represented in the collections.

A

composite skeletonof

Eqims

occidentalisfrom the

Eancho La

BreaPleistocene asphaltdepositsofCalifornia wasreceivedinexchange withtheLos Angeles

Museum

ofHistory, Scienceand Art;acompositeskeleton of theOligocene rhinoceros Trigonias oshornifrom

Weld

County,Colo., wasreceived inexchangewiththeColorado

Museum

ofNatural His- tory.

Two

duck-billeddinosaurskulls,

Edmontosaums

regalis(Parks,

W.

A., Univ. Toronto Studies No. 37, p. 6, pi. 2, ^fig. 1, 1935) and Prosaurolophus maximus^ from the

Upper

Cretaceous of Alberta, Canada, were received inexchange with theRoyal Ontario

Museum

ofPaleontology.

Four skulls, limb, and footbonesof Lystrosaunisand Dicynodon fromthe Triassic ofSouthAfricawerereceived inexchangewith the National

Museum

of South Africa.

A

beautifullypreservedskullof

Equus

alashaefromthePleistocene of Alaska was collected for the

Museum

by

James

A. Ford.

An

articulated frogskeleton fromtheMiocene of

Nevada

was presented byR.

M.

Catlin.

The

skullof a largeMiocene whalefromCalifornia waspresentedbyDr. A.P. Ousdal.

A

mounted skeleton of Ichthyodectes hamatus and a skeleton of Platecarpus^ both from the Niobrara,

Upper

Cretaceous, were purchasedfrom George F.Sternberg.

193i

A

skulland mandibleof

Equus andhim

fromthePleistoceneofSouth America andaskull,lower jaw,andvertebraeofNesodonimhricatuji fromtheTertiaryofSouth America werereceived in exchange with theField

Museum

ofNatural History.

A

skull and other bones of Oxydactylus gibhi from the Miocene of Nebraska were received in exchange with Amherst College.

A

^small collection of Oligocene

mammals

from

Wyoming

waspresentedbytheUniversityof

Wyoming,

The

collectionofmarine

mammals

wasenrichedbythe addition of several cetaceanskulls from the Calvert, Miocene,of Maryland, col- lected by R. Kellogg, _C. L. Gazin, and

Raymond

^Gilmore. Perez

Simmons

presentedaseriesof teeth ofDesmostyhj^fromtheIVIiocene ofCalifornia.

DIVISION or

VERTEBRATE PALEONTOLOGY

GILMORE

373 To

the collections of fossil birdswere added a partial skeleton of v

Hesperornis from the

Upper

Cretaceous of Kansas purchased from GeorgeF.Sternberg; limb bonesofEognis aeolafromtheEoceneof Mongolia received as a gift fromtheAmerican

Museum

of Natural History;

and

representativepartsof theskeletonofBatliomisceleripes from the Oligocene of

Wyoming,

a gift from the

Museum

^of Comparative Zoology.

1935

The

mostimportantaccessionof thisyearwas a collection of

mam-

malian fossilsfromthe Pliocene,near

Hagerman,

Idaho,

made

by a fieldpartyunderthe direction oftheassistant curator.Dr.C. L.Gazin.

RemainsofPlesippusshoshonensu formedthe bulkof the collection, therebeing 65skulls, a

number

of partially articulated skeletons, be- sidesavast

number

ofbonesofallpartsof theskeleton (Gazin,C.L., Proc. U. S. Nat. Mus.,vol. 83,pp. 281-320, 1936). Other specimens worthy of mention were three articulated skeletons of the peccary;

Platyganuspearcel, a

new

species (Gazin,C.L., Journ. Washington Acad. Sci., vol. 28, pp. 41-49, 1938); a skull of Stegomcistodon; the type ofCeratomeryxprenticei (Gazin,C. L.,Journ. Pal.,vol. _9,pp.

390-393, 1935); skulls and skeletal parts of beavers, otters, several birds,and

many

specimensof themicrofauna.

An

excellent articulated skeleton ofCamarasauriis, representingan animal 30feetinlength from the Jurassic of theDinosaurNational

Monument,

Utah, was received in exchange with the Carnegie

Museum.

The

type specimen of Palaeophis v'lrginianm (Lynn,

W.

G.^

Johns Hopkins Univ. Stud, in Geol., No. 11, pp. 245^9, 1934) from the Eocene of Virginia

was

presented by Dr.

W.

G. Lynn.

Two

fossil cetacean skulls from the Miocene of California were presented by T. V. Little and C. A. Pratt.

A

fine skull and lower jaws of Archaeother

lum

from the Oligocene of Nebraska Avas presentedby

Edward

S. Tyler.

Five model restorations illustrating the evolution and devel- opment of the horse in North America were presented by Mrs.

J.

W.

Gidley. This gift has a special significance since these were modeled by thelate Dr.

James W.

^Gidley,for

many

years connected with thisdivision.

1936

The

most important acquisition this year was a collection

made

byaparty operatingin

Montana

and

Wyoming,

underthe direction of the curator, Charles

W.

Gilmore. Additional materials greatly augmentedthe collection from the

Two

Medicine,

Upper

Cretaceous.

374

PROCEEDINGS OF

THE

NATIONAL

MUSEUM

vol.»0

Two

articulated caudal series and other bones of Proch&niosaunis

;

two

incomplete specimens of Lepfoceratops; and an incomplete but adult skull of Brachyceratops (Gilmore, C. W., Proc. U. S. Nat.

Mus., vol. 87, pp. 1-18, 1939), including skeletal parts, are worthy of special mention. Besides collecting the usual run of

mamalian

specimens from the

Wasatch

of the Big

Horn

Basin, this party secured acompletearticulated skeletonof Coryphodon.

A

complete articulated skeleton of Scarrittia canquelensw from the Tertiary of Argentina was purchased from ^the American

Mu-

seumof Natural History.

A

skulland lower jawsof a largephyto- saurian reptile from the Triassic of Arizona presented by Merl V.

Walker.

A

skeleton of Scelklodon capeUina from South America wasreceived inexchangewiththeField

Museum

ofNatural History.

A

skullof Glyptoscmi'us giganteus (Gilmore,C.W.,Proc.U. S.Nat.

Mus., vol. 86, pp. 16-21, fig. 5, 1938) from the Oligocene of

Wyo- ming

was purchased from George F. Sternberg.

The

type of Sula avita from the Miocene of Chesapeake Bay,

Md.

(Wetmore, A., Proc. U. S. Nat. Mus., vol. 85, pp. 22-24, 1938); the type ofPeri- tresiusvirginianusfromthe MioceneofVirginia (Berry, C. T.,and Lynn,

W.

G., Proc. Amer. Philos. Soc, vol. 76, No. 2, pp. 183-187, 1936); the type of Pelycorhnmpliuspei'tortus from the Miocene of Maryland? (Cope, E. D., Proc. Amer. Philos. Soc, vol. 34, p. 137, 1895);the type ofPre potherium ve/nezuelanmn (Collins,R.L.,Johns Hopkins Univ. Stud, in Geol., No. 11, pp. 235-244, 1934) from Venezuela, South America, were all deposited by Johns

Hopkins

University.

A

small collection offossil fishesfrom the Devonian of Colorado wastransferred by the United States Geological Survey. Another small collection of primitive Downtonian fishes from Spitsbergen

was

received as a gift from the Paleontologisk

Museum,

Oslo, Norway.

1937

The

chief accession of this year was a collection of

mammalian

fossils

made

bythe Smithsonian field party under the direction of Dr.C. Lewis GazininArizona and

New

Mexico.

About

600identi- fiablespecimens were collected from the Puerco, Torrejon,Wasatch, and Pliocene.

A

compositeskeleton of the giantground sloth

Paramylodmi

har- Imiifrom the

Rancho La

Brea Pleistocene, California, was received in exchange with the Los Angeles

Museum

of Natural History,

ScienceandArt.

A

mounted skeleton of Merycodus iwcatus from the Miocene of

Montana

was _purchased fromPhilC. Orr.

DIVIStON OF

VERTEBRATE PALEONTOLOGY —

^GILMORE

375

A

musk-ox skull {Syiribos cavifroris) from the Pleistocene of Indiana and a nearly perfect carapace and plastfon of the turtle Aspideretes superstei from the Paskapoo of Alberta, Canada, were purchased.

A

plaster cast of the snake Boavusidelmania from the Eocene of

Wyoming

was received in exchange with the American

Museum

^of Natural History.

A

plaster cast of a skeleton of Eohippus from the Big

Horn

Basin, Wyo., was presented by Dr.

E. R. Troxeil.

Two

perfectly preserved eggs of the extinct ostrich Struthiom^dersom.ifrom the loessof China werepurchased.

193S

Specimens resulting from a field expedition to central

Utah

and northern Arizona, under Charles

W.

Gilmore. benefited both the

mammalian

and reptiliancollections. Those worthy ofspecialmen- tionwereapartial skeleton of thelarge sauropod dinosaur Alamo- scmrus sanjtmnensis; disarticulated skull and skeletal parts of a horned dinosaur; skeletal parts of six individuals of the extinct lizard PolyglypHatwd^n sternbergi (Gilmore, Charles W., Smith- sonian Misc.Coll., vol. 99,No. 16,pp. 1-3, 1940) ^all fromtheNorth

Horn

formation,

Upper

Cretaceous: 15

mammalian

specimens from the

Dragon

formation, Paleocene (Gazin, C. L.,Journ. Washington Acad. Sci., vol. 28, pp. 271-277, 1938).

From

the Triassic of Ari- zona thissameexpedition collected three phytosaurian skulls and a skull of the amphibianBusttneria.

Through

participation in the Dallas Exposition important ^speci-

mens

andillustrativematerialswerereceived as giftsfromtheUnited States TexasCentennial Commission.

The

moreimportant of these were a skeleton of the Eocene flightless bird Dmtr-ymu; a unique specimen of Glyptosaunis gigant

em

^havingthedermal armorofthe skull and neck preserved insitu (Gilmore, C. W.,Proc. U. S. Nat.

Mus., vol. 86, pp. 16-21, pi. 1, 1938)^; a nearly complete articulated tailof

Camarasaums;

andthe articulated pelvis,hindlimbs,feet,and

tail withlargepatchesof skin impressions of acrestedhadrosaurian dinosaur {C orythosawrm) from the

Upper

Cretaceous of Alberta, Canada.

From

thissourcealsowasa diorama,illustrating thefauna and floraof the Jurassic,and twocanvases (8by15 feet),onea res- toration ofthesauropod dinosaur

C amarascmrm

byR. Bruce Hors- fall,theothera restorationofDimetrodon andotherPermiananimals by Garnet

W.

Jex.

A

skull ofMerycoidodon gracilis (Leidy, J., Smithsonian Contr.

Knowl., vol. 6, p. 54, pi. 5; figs. 3-4, and pi. 6, figs. 6-7, 1853), of

much

historical interest since ^it originally belonged ^to the Evans collection, was received in exchange with Columbia Univei-sity.