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 (sldns), 144-158 (150.5); wing, 59-64.5 (62); 

 tail, 64-68 (66.5); culmen, 39-44 (40.7). « 



Adult female. — Length (sldns), 142-156 (149); wing, 60; tail, 

 63.5-67 (65.2); culmen, 37.5-40 (38.7).^ 



Guatemala (Choctum, Coban, and Las Salinas, Vera Paz; Los 

 Amates, Yzabal; track to Peten; Guatemala City), British Hondu- 

 ras (Cayo; San Felipe; Toledo District; forest near Manatee Lagoon; 

 forest on Soldiers Creek), and northern Honduras (Ceiba). 



Ornismya longirostris Delattee, Echo du Monde Savant, June 15, 1843, no. 45, 

 col. 1070 (Guatemala). 



Phaethornis longirostris Gould, Introd. Troch., oct. ed., 1861, 42, part ("Central 

 America"). — Sclater, Cat. Am. Birds, 1862, 285, part (Las Salinas, Vera 

 Paz, Guatemala). 



Phxthornis longirostris Elliot, Classif. and Synop. Troch., 1879, 15, part. — Dear- 

 born, Pub. 125, Field Mus. N. H., 1907, 96 (Los Amates, e. Guatemala). 



P[haethornis] longirostris Cabanis and Heine, Mus. Hein., iii, 1860, 9 (Guate- 

 mala).— Hartert, Ibis, 1897, 425, 429, part (crit.); Das Tierreich, Troch., 

 1900, 20, part (Guatemala). 



[Phaethornis} longirostris Sharpe, Hand-list, ii, 1892, 99, part. 



o- Four specimens. 



^One specimen. 



Locality. 



MALES. 



Foiir adult males of P. I. mcxicanus from s. w. Mexico OS. 1 84. 6 46. 1 



Six adult males of P. I. vcrxcrucis from s. e. Mexico 62. 9 67. 9 40. 3 



One adult male of P. I. longirostris from Guatemala 59 64 40. ,'> 



Two adult males of P. ?. toni7?rosfns from British Hondiu-as 62.2 67 39.2 



One adult male of P. I. longirostris from n. Honduras (Coiba) 64. 5 68 44 



Tliree adult males of P. I. ccphalus from s. Honduras (Santa Ana) 64. 6 68 42. 9 



Two adult males of P. Z. cc;;/(ates from Nicaragua 61.2 68 38.5 



Sixteen adult males of P. i. Cf'pftaZjts from Costa Rica (il.9 67.2 38.5 



Nine adult males of P. Z. cfpAaZws fi'om Panamd 61.1 66 3S. 9 



Eight adult males of P. Z. sMswras from Colombia (Santa Marta district) 64.7 72.2 42.2 



FEMALES. 



One adult female of P. I. longirostris from Guatemala 60 67 37. 5 



One adult female of P. Z. ZoTZ^iro.sir j« from British Honduras 60 63.5 40 



Ten adult females of P. Z. ccpfta/MS from Costa Rica 60.5 66.6 38.5 



One adult female of P. Z. cfpftaZws from Panamd - 57.5 63.5 37.5 



One adult female of P. I. susurrus from Colombia (Santa Marta district)- 63 70 41 



Ex- 

 posed 

 culmen. 



