BIRDS OF NORTH AND MIDDLE AMERICA. 



883 



Immature male. — Similar to the adult male but without trace of 

 yellow on crown. 



Adult female. — Apparently exactly like the imniatiu-e male (and 

 some adult males?); length (skins), 78-87 (83); wing, 51-54 (52.5); 

 tail, 22-26 (23.6); exposed culmen, 9-10.5 (10.1); tarsus, 14-16 (15.3); 

 middle toe, 8-10 (9).« 



Southern Mexico, in States of Vera Cruz (Cordova; Playa Vicente ; 

 Buena Vista), Tabasco (Teapa), Yucatan (La Vega), and Chiapas, 

 and southward through Guatemala (Choctum; Teleman; El Paraiso; 

 Volcan de Agua) and Honduras (Rio Blanco; San Pedro Sula; La 

 Bomba; Santa Ana) to western Nicaragua (Sucuya) and western 

 Costa Rica (Volcan de Miravalles; Bebedero; Pozo Azul de Pirris). 



Platyrhynchus cancroma (not of Temminck, 1820) Sclater, Proc. Zool. Soc. Lend., 

 1856, 295 (Cordova, Vera Cruz); 1859, 384 (Playa Vicente, Vera Cruz); Ibis, 

 1859, 445 (Cordova; crit.). — Sumichrast, Mem. Bost. Soc. N. H., i, 1869, 557 

 (tierra caliente of Vera Cruz). 



Platyrhynchus cancrominus Sclater and Salvin, Proc. Zool. Soc. Lond., 1860, 299 

 (Choctum, Vera Paz, Guatemala; coll. Salvin and Godman). — Salvin and 

 Sclater, Ibis, 1860, 399 (Choctum).— Sclater, Cat. Am. Birds, 1862, 207 

 (Choctum); Cat. Birds Brit. Mus., xiv, 1888, 66 (Volcan de Agua, El Paraiso, 

 Choctum, and Teleman, Guatemala). — Nutting, Proc. U. S. Nat. Mus., vi, 

 1883, 384 (Sucuya, Nicaragua). — Salvin and Godman, Biol. Centr.-Am., 

 Aves, ii, 1888, 5.— Underwood, Ibis, 1896, 437 (Volcan de Miravalles, Costa 

 Rica). 



{^Platyrhynchus] cayicrominus Gray , Hand-list, i, 1869, 347, no. 5240. — Sclater and 

 Salvin, Nom. Av. Neotr., 1873, 45.— Sharpe, Hand-list, iii, 1901, 100. 



P[latyrhynchus] mystaceus cancrominus Allen, Bull. Am. Mus. N. H., ii, no. 3, 

 June, 1889, 143. 



a Seven specimens. 



Specimens from separate geographic areas compare in average measurements as 

 follows: 



Locality. 



MALES. 



Three adult males from Vera Cruz (2) and Tabasco (1) 



One adult male from Yucatan 



One adult niale from Chiapas 



One adult male from Honduras (Rio Blanco) 



Four adult males from western Nicaragua (1) and Costa 

 Rica (3) 



FEMALE.S. 



Three adult females from Vera Cruz (2i and Tabasco (1)... 



One adult female from Chiapas 



Two adult females from Honduras (Rio Blanco and Santa 



Ana) ■ 



One adult female from western Costa Rica 



Middle 

 toe. 



0.2 

 9 

 9 

 9 



8.6 

 10 



9.5 

 S 



The specimens from Tabasco are rather darker than others. That from Yucatan 

 (La Vega) is paler, though scarcely more so than an example from Pozo Azul, Costa 

 Rica. 



