5-18 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



claw about as long as tarsus or a little less; lateral claws not reaching 

 to base of middle claw; hallux about as long as inner toe, its claw 

 shorter than the digit. 



Coloration. — Adult males uniform black with rufous patches, the 

 latter on throat, crown, or under tail-coverts; adult females similar but 

 usualh" duller, the black sometimes replaced by grayish; 3'oung not 

 streaked. 



Range. — West Indies; Guiana?. 



Notwithstanding its close resemblance to the type of this genus in 

 coloration, the structural differences in P. noctls are so numerous and 

 striking as almost to warrant its generic separation. 



KEY TO THE SPECIES AND SUBSPECIES OF PYRRHULAGRA. 



a. General color black or slaty, with throat, etc., rufous. 



h. Pileum (except forehead and median portion of occiput) rufous. 

 c. Smaller (wing not more than 92.96, usually much less, exposed culmen less 

 than 17.78) ; rufous of throat, etc., lighter. (Porto Rico.) 



Pyrrhulagra portoricensis, adults (p. 550) 

 cc. Larger (wing not le.-^s than 93.22, usually much more, exposed culmen more 

 than 17.78); rufous of throat, etc., darker. (St. Christopher.) 



Pyrrhulagra grandis, adults (p. 550) 



bh. Pileum entirely black. 



c. A short superciliary streak of rufous, but no rufous mark on upper part of 



lores; bill much stouter (depth at base more than 10.16). {Pyrrhulagra 



violacea. ) 



d. Adults with throat-patch darker (intermediate between brick red and rich 



rufous) ; immature birds grayish olive, olive-grayish, or hair brown above. 



(Bahamas.) Pyrrhulagra violacea violacea, adults (p. 551) 



dd. Adults with throat-patch lighter (ferruginous); immature birds deep olive 

 above. 

 e. Larger, but with smaller feet; adult males averaging, wing 81.38, tail 

 69.09, exposed culmen 15.49, depth of bill at l)ase 12.70, tarsus 20.32, mid- 

 dle toe 14.48. (Jamaica. ) .. Pyrrhulagra violacea ruficollis, adults (p. 552) 

 ee. Smaller, but with larger feet; adult males averaging, wing 75.44, tail 

 64.77, exposed culmen 14.73, depth of bill at base 12.19, tarsus 21.08, 

 middle toe 15.24. (Haiti. ) . .Pyrrhulagra violacea affinis, adults (p. 553) 

 cc. No rufous over eyes, but a more or less distinct mark of rufous on upper 

 parts of lores; bill much weaker (de(pth at base less than 10.16). {Pijrrhu- 

 lagra noctis. ) 

 d. General color slaty black or dusky slare. 

 e. General color dusky slate, more blackish on breast, etc. (Antigua.) 



Pyrrhulagra noctis ridgwayi, adult male (p. 558) 

 ee. General color slaty black, more slaty on flanks, etc. (St. Eustatius; St. 

 Christopher; Saba?; Anguilla?; Barbuda?). 



Pyrrhulagra noctis coryi, adult male (p. 559) 

 dd. General color deep l)lack. 



e. Rufous throat-patch occupying whole of the throat. 

 /'. Rufous throat-patch extending to upper part of chest. (St. Vincent.) 

 Pyrrhulagra noctis crissalis, adult male (p. 557) 

 .(;'. Rufous throat-patch not extending to ui)per part of chest. 

 g. Under tail-coverts black (rarely mixed with rufous). 



