Diagnoses of new forms of Micropodidse and Trochilidae

Vol. XXIIl, pp. 53-56 ^April 19, 1910

PROCEEDINGS

OFTHE

BIOLOGICAL SOCIETY OF WASHINGTON

DIAGNOSES OF NEW FORMS OF MICROPODIDJ^: AND TROCHILID^.

BY robp:rt ridgway.

[By permissionofthe Secretary^{of the}SmithsonianInstitution.J

Streptoprocne zonaris

mexicana

subsp. ^iiov.

Type, from Rio Seco, near Cordova, Vera Cruz, Mexico. No. _41,636, U. S. Xat.

Mus.

Adnltmale. January, 1866, Prof. F. Sumichrast.

Similarto S.z. albicincta (Cabanis),^{of Co.sta}Rica

and

northernSouth America, but averaging larger, general coloration decidedly ^{duller (less} bluish) black,

and

forehead alwaysdistinctlygrayish so(jty. A(hilt

male

(type):

Wing,

^207.5

mm.;

^{tail, 83;} exposed culmen, 10; tarsus, 22.5;

middletoe, 15.

Cheetura

richmondi

sp.nov.

Type from

Guayabo,

^{easternCostaRica. No.} 209,570, V. ^S.Nat.^INIus.

Adultfemale.

March

5, 1908. ^Nluseum-Zeledon P'xped.

Similar ^to C.gaumeri, ^of Yucatan, but larger

and

coloration darker, the pileum

and

back

more

nearly black^; spinytips to rectrices longer, alwayswell developed. Adultfemale (type):

Wing,

¹¹⁵

mm.

; tail,37.5;

exposed culmen,4.5; tarsus, 10.5; middle_toe, 8.

Cypseloides niger jamaicensis subsp. nov.

Type from Mayfield, ^St. Andrews, Jamaica. No. _78,205, L'. S. Nat.

]\Ius. Adult female.

June

25,1879,

Edward

Newton.

Similar to C. n. niger, ofSanto

Domingo,

^l)ut

much

darker (especially the adult female), the upi)er

and

under _parts sooty black,

more

or less distinctly (but not conspicuously) paler or

more

grayish sootyon chin, throat,

and

chest. Adult female (type):

Wing,

^149.5

mm.;

tail, ()4.5;

exposed culmen, 5.5; tarsus, 11.5; middle toe, 9.5.

Cypseloides niger costaricensis subsp. nov.

Type from San^Jose,CostaRica. No. _108,275, U. S. Nat. ^IMus. Adult male?

May

10, 1885, JoseC.Zeledon.

Similar to C. n. borealis, of western North America, ^l>ut smaller

and

decidedly darker, the adult female with feathersof

abdomen

and

Hanks

n—

Pruc.Biol. Sue.Wash.,Vol..XXIJI,1'.)1U. (aU)

54 Ridgway — _New Forms

of

MicroporUdx and

Trorhilidve.

usually

more

broadly tipped with white; adult male s^imilar to that of C. 71.jnmaicensis, but

wing

averaging longer

and

tail decidedlyshorter,

and

general color^ofhead and neck _decidedly

more

_grayish. Adultmale?

(type):

Wing,

^{15.") nun.; tail,} ">7; exi)()sed culinen, fl; tarsus, 12; mid- dle_{toe, 9.}

Phoethornis longirostris veraecrucis .subsp. nov.

Type from

Buena

Vista, VeraCruz, southeasternMexico. No. _177,330, U. S. Nat. Mus. Adultmale.

May

^{23, 1901, A. E. Colburn.}

Similarto P. I. mexicanus (of southwestern Mexico) ⁱⁿ white (instead of buff)terminalmarginsto lateral rectrices,but

much

smaller,

and

_paler

in coloration. Adult male:

Wing,

^t)0-65.5 ((i2.9)

mm.;

tail, 65-70 (67.9); culmen, 39-42.5 (40.3).*

Phoethornis adolphi saturatus subsp. nov.

Type from^ElHogar, Costa^Rica. No. _26,741, coll. Carnegie

Museum.

Adult male.

December

19, 1VI05,

M.

A. Carriker, ^Jr.

Similarto P. a.adolphi (from southern Mexico), but^adultmaledecid- edly darker,especially chin, throat

and

_chest, the first being distinctly dusky.

(Tuatenialato

Panama.

((Tuatemalan sjjecimens are intermediate, but seemto be

more

likethose from Costa Ricathan like thosefrom Mexico.)

Hupherusa

^eximia nelsoni subsp. nov.

Type from Motzorongo, Vera Cruz, Mexico. No. _155,363,U. S.Nat.

Mus. (Biological SurveyColl.) Adult male. February^28, 1894, Nelson

and Goldman.

SimilartoE. e. eximia, butlarger,especiallythe _bill; green^of under- parts

more

_yellowish, and l)luck tip to lateral rectrices withline of de- marcationagainst the^basalwhite decidedly(iliiiqueand

nmch

less.sharply defined.

Adult

male.—

_\A'ngth, 93-1U3 (98)

mm.;

wing, ^()U.5-(1] ((JO.7); tail,;!4- 35.5 (34.7); culmen, 18.5-1*) (18.7). t

Amizilis bangsi sp. nov.

Type from Volcan de Miravallcs, northwestern Costa Rica. No._16,682, coll.E.A.

and

(). Bangs. ^.Vdultmale. Septend)er 7, 1895, C. F. Under- wood.

SimilartoA.

cinnamomea

cinnamomea, but whole^{side of}neck, includ- ing^lateralportions^of lower_throat, metallic greenish bronze or bronze- green insteadof lightcinnamon-rufous.

•Adultmalesof P.I.mexicanusmeasureas follows: Wing,67-69.5_(68.1);tail.83-87 (84.(1); culmen,45.JV-47 (40.1).

tTwo

s|)e<'inioiis.Thecorn'spoiidiiiKiiicasuriMiiciitsof asorios ofelevenadultmales of K.e.eximia(tenfrom(iiiateiiiala,one fromNicai'aKua)areas follows: Length,S4-9o (S<i);wing,r)0.r>-Cl (r)8.7);tail,:i'J..')-:j|.rj(3:j.r.)^; eulmen,IC-lK(17.(J).

Ridgway — _New Forms

ofMicropodidae

and

Trochilidae.

55 Anthracothorax

prevosti gracilirostris subsp. nov.

Type from Bolson, Costa Rica. No. 22,62i), coll. E. A. andO. Bangs.

Adultmale.

December

16, 1907, C. F.

Underwood.

Differingfrom

A

^.p.prevosti indecidedly shorter

and more

slenderbill, less bronzyor golden green upperparts,

and

darker under tail-coverts;

from A._p. hendersoui in

more

slender ^bill

and

_very

much

less bronzy colorofupperparts

and

lateral under_parts.

Costa Rica

and

_Nicaragua.

Average measurements^{ofthe three}forms areas follows:

Males.

A.p. prevosti (24specimens) A._'p. gracilirostris (9specimens) A. _p. hendersoni(4specimens)

66