72 



BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



whitish tip (usually, however, with a more or less distinct median 

 stripe of dusky, mostly on outer web), and in younger individuals, 

 with feathers of back, etc., indistinctly tipped with paler. 



Adult male— Length (skins), 226-270 (249); wing, 90.5-109 

 (98.9); tail, 114.5-140.5 (129.3); exposed culmen, 21-26.5 (23.7); 

 tarsus, 33-38 (35.4); outer anterior toe, 20.5-23.5 (21.7). a 



Adult female.— Length (skins), 235-275 (248); wing, 90.5-101.5 

 (97); tail, 117-137 (126.7); exposed culmen, 21.5-25 (23.5); tarsus, 

 31.5-38.5 (35.1); outer anterior toe, 19.5-23.5 (21.8). 6 



Pacific slope of Central America, from Costa Rica (Atenas; Esparta; 

 Pacaca; Liberia; Bebedero; Ten6rio; Miravalles; Cerro Santa Maria; 

 Alajuela; San Jose) through Nicaragua (San Carlos; San Ger6nimo; 

 Chinandega; Volcan de Chinandega; Grenada; Tres Grenadas; 

 Sucuya; Matagalpa; Managua) and Honduras (Yojoa; Santa Ana) 

 to Guatemala (Volcan de Fuego; Gualan, Zacapa; between Subinal 

 and Laguna; Laguna; Rio Montagua). 



Coccyzus erythropyga Lesson, Rev. Zool., v, July, 1842, 210 ("San Carlos, Centre 

 Amerique"). 



[Coccyzus] erythropyga Gray, Hand-list, ii, 1870, 212, no. 8938. 



P[iaya] erythropygia Gray, Gen. Birds, ii, 1847, 457. — Bonaparte, Consp. Av., 

 i, 1850, 111. 



Piaya erythropygia Des Murs, Icon.XJrn., livr. 11, 1848, pi. 66, and table of con- 

 tents (San Carlos; Lesson's type in Paris Mus.). — Sclater and Salvin, Ibis, 

 1859, 133 (between Subinal and Laguna, Guatemala; habits; song; colors of 

 unfeathered parts). — Taylor, Ibis, 1860, 118 (Yojoa, Honduras). 



[Pyrrhococcyx] eryihropygius Bonaparte, Ateneo Italiano, ii, 1854, 121 (Consp. 

 Volucr. Zygod., 1854, 6). 



a Twelve specimens. 



6 Thirteen specimens. 



Locality. 



Wing. 



Tail. 



Ex- 

 posed 

 culmen. 



Tarsus. 



Outer 



anterior 



toe. 



MALES. 



Five adult males from Costa Kica 



Five adult males from Nicaragua 



One adult male from Honduras 



One adult male from Guatemala 



Four adult males ( M. e. mexicanus) from Oaxaca. . 

 Five adult males ( M. e. mexicanus) from Guerrero. 



One adult male ( M. e. mexicanus) from Colima 



One adult male (M. e. mexicanus) from Sinaloa 



FEMALES. 



Seven adult females from Costa Eica 



Five adult females from Nicaragua , 



One adult female from Guatemala 



Four adult females (Jf. e. mexicanus) from Oaxaca. 

 One adult female ( M. e. mexicanus) from Guerrero . 

 Two adult females ( M . e. mexicanus) from Colima . . 

 One adult female ( if. e. mexicanus) from Sinaloa. . . 



101.3 

 95.5 

 99.5 



104 



102 

 97 



108 



104 



96.9 

 97.1 

 97.5 

 101.2 

 95.5 

 96.2 

 95 



126.5 



128.9 



134 



140.5 



138.9 



129.5 



127.5 



134 



123.2 



129.4 



137 



131.5 



120 



126.7 



132 



23.6 



23.1 



24 



26.5 



24.1 



24.5 



26 



24.5 



23.8 

 23.1 

 23 



24 

 22.5 



35.5 

 35.1 

 34 



35 



35.2 



34.2 



38.5 



34.9 



33 



34.7 



34 



21.9 

 21.1 

 23 

 21.5 



22.4 

 23 

 22.5 

 23 



22.1 



20.9 



23.5 



21 



20.5 



22.2 



22.5 



