Twelve new genera of bats

Vol. XIX pp. 83-86 June_4,

1906

PROCEEDINGS

OK THE

BIOLOGICAL SOCIETY OF WASHINGTON

TWELVE NEW GENERA OF ^BATS.

BY GERRIT

S.

MILLER,

^Jr.

Bypermission^ofthe Secretary^oftheSmithsonianInstitution

Having

recently

examincfl some

of the

more important Eu- ropean

collections of

Chiroptem

ⁱⁿ

connection

Avith the

material

in the

United

States

National Museum,

^{I find that}the following

genera have not

hitherto

been

described.

Niadius _{gen. nov.} {Pteropidse).

Tijpe.

—

Cjino/ilcrus privc('j>sM'lWer.

Cluiracters.—LikeCynopterus batwith the_largercheek-teethbroader

and more

squarish ⁱⁿoutline;

crown

of

pm

^j

^and

niywithdistinct teretecusp slightly in frontofmiddleof crushing^surface.

Species.

—

Niadius_princeps(Miller₎.

Remarks.

—

Inthe increasedsizeofthe_largercheek-teeth thisgenusap- proaches Thoopterus^;buttheteretecuspⁱⁿpm^j

and m

fdiffersconspicuously from_{the ridge}

which

occupies

somewhat

the

same

_position intherelated group,

Sphserias gen. nov. {Pteropidse).

Type.

—

_{Cynopterushlanfordl}

Thomas.

Characters.

—

Like _Cynopterus butwithoutcalcar

and

external_tail; inci- sors

more

developed than ⁱⁿ

any

^{of the related} genera, the^seriesofthe lower jaw formingfour conspicuous^serrations

when

viewed from _{in front,} those of the_u]iper

jaw

^with sharp-edged

crown

well differentiated from shaft

and

_providedwith_{a large}

main

cusp near middle.

Species.

—

Sphserias blanfordi (Thomas).

Remarks.—

Thisgenus was^{includedinThoopterus}

by

^{Matschie*butitis} readilydistinguishaljle

by

^{the small} (normal) cheek-teeth, theabsenceof thecalcar

and

external tail,

and

_{the verypeculiar,}trenchant formof the incisors.

*Flederm. desBerl.Mus.furNaturk.,p. 77, 1899.

18—Proc. Biol. Soc. Wash., Vol. XIX,-1906. ⁽⁸³⁾

84

Miller

—

Twelve Neiv

Genera

ofBats.

Macroderma

gen.^iiov. {Megadermidse).

Type.

—

_{Megaiiermagigax}Dobson.

Cfiaracters.—DiSeringfromMer/ddeniia

and

Li/nnhrinain theal)senceof the small_ui)perpremolar(pm^),^intliepeculiar character of theinterorbital expansion, thedevelopment^of which isintermediate betweenthatiiithe Asiatic

and

African

members

of the group,

and

inthe

much

greater devel-

opment

^ofthe cartilaginous premaxillaries.

Species.

—

_{Macrodermagigas(Dobson).}

Ardops

gen. nov. [Phiiliodouiidx).

Type.

—

_SlenodermanichoUsi

Thomas.

Characters.

—

Like Slenoderma butrostrum not depressedbetween_supra- orbital ridges; anterior nares directed _chiefly forward; ^incisive framina not separated

by any

appreciable spacefromrootsofincdsors; supraorbital ridges angled^atmiddle; inner upper^incisor with length ofcrown _nearly equal^toheight;

and

m'-

and m-

withoutmetaconule.

Species.

—

_ArdopsnichoUsl(Thomas), ^A.m<nilM'rraleii.'<is (Thomas),

and

A.

lucise(Miller).

Erophylla gen. nov. [PligUostomidic).

Tape.

—

Phyllonycleris bonihifrnns Miller.

Characters.

—

Like PhyUonycteris but interfemoral

membrane

_extending

toshort though^{evidentcalcar;} noseleaf with _i)ointed median'_projection;

zygomaticarches complete;

and

lower molarswithdistinctcutting edge.

Species.

—

Erophiill.ivbumhifnms (Miller),E.plaiiifronx(Miller),/?, sezekoni.l

(Gundlach)

and

E. sunlacristobalensis _(Elliot).

Diaemus

_{gen. nov.} {Desmodontidx).

Type.

—

_Desmodns

yoiuujlJentink.*

Character-'^.

—

Like Desmodus, but

thumb

onlyabout_one-eighthaslong^as thirdfinger,thetwo pads on ^its undersurface coalesced; innerlowerin- cisor trilobate,with _large

median

lobe,aminute inner lobe neartip

and

anequally small outer^lol)e nearbase.

Species.

— Dixmus

youngi (Jentink).

Dirias gen. nov. [NuctiUonidiv).

Type.

—

_NoctUioalljireidrrSpix.

Characters.

—

_LikeNoctUio but with _leg

and

footless eloiigateci (equal to about 40 per cent of^total length)^;

m' and m-

with very large

hypocone

connected

by

^ahigh conspicuous commissurewith commissure extending from _protocone tometacone.

Species.

—

Diriasalbiventer (Spix).

*Asrepresentedby^aspecimen from Roca Nova, Parana,^Brazil (No. 140,769,U.S.

NationalMuseum;A.Robert,collector).

Miller

—

Twelve

New Genera

oj

BaU. 85 Phodotes

gen. nuv. {Nalalidx).

TllP<^-

—

NutaJushimidirostris Miller.

Characters.

—

Like Nalalus, but maxillaries conspicuously ^inflated

and

translucent,the swollen region concealingmolarteeth

when

skullisviewed fromabove.

Species.

—

Phodotestumidirostrls (Miller).

Pizonyx

gen. nov. (Vespcvt'dlonklx).

Type.

—

_Myotisviresi

Menegaux.

Characters.

—

_{LikeMyotis but with} foot(clawsincluded)^aslongas tibia, thetoes

and

clawssogreatlycompressed ^thatwidthofclawisonly about one-eighth the height^atbase;

wing

^withlargeglandularmassnearmiddle of forearm.

Species

—

_Fizonj/xvivrsi (Menegaux).

RhinoptQrus

gen. nov. {Vespertilionida:).

Type.

— _G

lauconycterisJtoirerideA\'inton.

Characters.

—

_Externally like a small Vesperlilio, but upper ^{surface of} forearm,tail,

and

tibiathickly sprinkled with pointed,hornyexcrescences resembling^thoseon edge^{of earin}

some

3/o/o.s.s/c/.-(',but_larger. Skull_differing fromthat of Vespertilio in the nuich greater ^relative breadth of anterior portion of braincase,^shorter,lower rostrum,

and

in theform ofthe_upi)er toothrows,

which

are

more

concave on inner side

and more

_convergent

anterior!J'.

S/iecies.

—

Rldnopterusfloweri(deWinton).

Baeodon

_{gen. nov.} (Vesperlilionidx).

Type.

—

Ixliocjeessa.alleni

Thomas.

Characters.

—

_{Like lihogeissa} but with reduction of outer lower incisor carriedso farthatthe tooth has

become

toa

mere

functionless spicule^less

^thanone-twentiethas large as^firstorsecondincisor,nearly concealed be- neath cingulum^{of canine.}

Species.

—

_{Beeodon(dleni}

(Thomas).

Eumops

^{gen. nov.} {Molossidx).

Type.

—

MolossuscaliforuicnsMerriam.

Characters.

—

_Likeifdloxsiis butskull slender, with hour-glassshaped ^or nearlycylindrical interorbital region

and

no distinct sagittal crest^; palate slightlyarched but not

domed

; upper ^incisorwith slender,curved ^shaft higherthan _{length of}crown; lower _incisors, 2-2; upj)er premolars,2-2, the small tooth(pm-) normally ^wellformed

and

notdeciduous; tirst

and

second upper molars^{with well}developed hypocone.

Species.

— _Eumops

ahrasus(Temminck), ^E.bonariensis (Peters),E. caiifor- nicus (Merriam), E. glauciiius (Wagner), E.

maurus

_(Thomas), E.milleri (J.A._Allen),jB.?ia?rus {^IxWav), E.orthotis (H. Allen), E. _perotis (Wied),

and

E.trumbuUi (Thomas).