320 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 
lateral stripe of darker brownish buff, the feathers of which are dusky 
beneath the surface; rest of under parts pale dull grayish buffy, paler 
(sometimes dull whitish) on abdomen, the under tail-coverts with a 
few indistinct V-shaped marks of grayish; maxilla black, mandible 
pale yellowish or buffy (yellow in life?), with terminal third (more or 
less) dusky; iris dark brown; feet pale brownish (in dried skins). 
Young.—Similar to adults, but feathers of back broadly margined 
terminally with brownish buff, those of the pileum usually marked in 
same manner, but more narrowly. 
Adult male.—Length (skins), 144-158 (150.5); wing, 59-64.5 (62); 
tail, 64-68 (66.5); culmen, 39-44 (40.7).¢ 
Adult female—Length (skins), 142-156 (149); wing, 60; tail, 
63.5-67 (65.2); culmen, 37.5-40 (38.7).° 
Guatemala (Chocttim, Coban, and Las Salinas, Vera Paz; Los 
Amates, Yzabaél; track to Petén; Guatemala City), British Hondu- 
ras (Cayo; San Felipe; Toledo District; forest near Manatee Lagoon; 
forest on Soldiers Creek), and northern Honduras (Céiba). 
Ornismya longirostris DeLaTrre, Echo du Monde Savant, June 15, 1843, no. 45, 
col. 1070 (Guatemala). 
Phaéthornis longirostris Goutp, Introd. Troch., oct. ed., 1861, 42, part (‘‘Central 
America”).—SciatTer, Cat. Am. Birds, 1862, 285, part (Las Salinas, Vera 
Paz, Guatemala). 
Phexthornis longirostris Exuiot, Classif. and Synop. Troch., 1879, 15, part.—DEar- 
BORN, Pub. 125, Field Mus. N. H., 1907, 96 (Los Amates, e. Guatemala). 
P{haéthornis] longirostris CABANIs and Heinz, Mus. Hein., iii, 1860, 9 (Guate- 
mala).—Hartert, Ibis, 1897, 425, 429, part (crit.); Das Tierreich, Troch., 
1900, 20, part (Guatemala). 
[Phaéthornis] longirostris SHarre, Hand-list, ii, 1892, 99, part. 
@ Four specimens. 5 One specimen. 
Ex- 
Locality. Wing. | Tail. | posed 
culmen. 
MALES. 
Four adult males of P. 2. mexicanus froms. w. Mexico........-..-.2.2-2.2022002+ 68.1 84.6 46.1 
Six adult males of P. 1. verzecrucis from s. e. Mexico...............22--..2- 0008 62.9 67.9 40.3 
One adult male of P. J. longirostris from Guatemala...............-.....02 00200 59 64 40.5 
Two adult males of P. 1. longirostris from British Honduras....................- 62.2 67 39.2 
One adult male of P. 1. longirostris from n. Honduras (Céiba)......... pedeeecmacd 64.5 68 44 
Three adult males of P. 2. cephalus from s. Honduras (Santa Ana).............. 64.6 68 42.9 
Two adult males of P. 1. cephalus from Nicaragua. .............---.22-.222. 00s 61.2 68 38.5 
Sixteen adult males of P. 2. cephalus from Costa Rica.........2..22.02.02.ee eee 61.9 67.2 38.5 
Nine adult males of P. J. cephalus from Panam&...............22----0e2eeee eee 61.1 66 38.9 
Eight adult males of P. 1. susurrus from Colombia (Santa Marta district)....... 64.7 72.2 42.2 
FEMALES. 
One adult female of P. J. longirostris from Guatemala 60 67 37.5 
One adult female of P. 7. longirostris from British Honduras........ 60 63.5 40 
Ten adult females of P. J. cephalus from Costa Rica. ...........0.. 2.22 eee eee eee 60.5 66.6 38.5 
One adult female of P. 1. cephalus from Panamé.............. 2.60 eee ee een ees 57.5 63.5 37.5 
One adult female of P. 7. susurrus from Colombia (Santa Marta district), ...... 63 70 41 
