530 



BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



(45.8); exposed culmen, 11; tarsus, 20.5-21 (20.8); middle toe, 11-12 

 {ilAy 



Imimature male. — Variously intermediate in coloration between the 

 adult male and adult female. 



Gulf coast of Mexico and Caribbean coast of Central America, from 

 Tamaulipas (Tampico) to Costa Rica (Puerto Limon). 



(?) Dendraca vieiUoti (not of Casain) Sclatek, Cat. Am. Birds, 1862, 32, part 

 (Mexico) . 



Dendrwca vieilloti Salvin, Ibis, 1864, 380 (Half Moon Cay, British Honduras). ; 1866, 

 192 (do.).— Baird, Review Am. Birds, 1865, 203, part (Caucun, Yucatan).— 

 (?) Frantzius, Jourri. fiir Orn., 1869, 293 (San Jos6, Costa Eica).— Salvin 

 and GoDMAN, Biol. Centr.-Am., Aves, i, 1880, 125, part (Caucun, Sisal, 

 Progreso, and Celestin, Yucatan; Belize and Half Moon Cay, British Hon- 

 duras) . — BoucARD, Proc. Zool. Soc. Lond., 1883, 441 (SilamandEioLagartos, 

 Yucatan).— Sharpe, Cat. Birds Brit. Mus., x, 1885, 645, part (Progreso, 

 Yucatan; Half Moon Cay and Belize, British Honduras). 



[Dendrwca] vieilloti Sclater and Salvin, Nom. Av.' Neotr., 1873, 9, part. 



Dendroica vieMottii var. hryanti Ridgway, Amer. Nat., vii, Oct., 1873, 605 (Belize, 

 British Honduras; coll. U. S. Nat. Mus.). 



[Dendroica vieilloti'] var. hryanti Baird, Brewer, and Ridgway, Hist. N. Am. 

 Birds, i, 1874, 218, part (Honduras; Yucatan) ; iii, 1874, 504. 



Dendraca oieilloti bryanti Coues, Birds Col. Val., 1878, 256, footnote. 



[Dendrceca vieiUoii.'] Subsp. a._Dendra'ca bryanti Sharps, Cat. Birds Brit. Mus., x, 

 1885, 284 (Nicaragua). 



Dendroica vieilloti bryanti Cherrie, Proc. U. S. Nat. Mus., xiv, 1891, 521, 524 

 (Puerto Limon, e. Costa Rica; crit. ). 



[Dendroica bryanti'] a. hryanti Ridgway, Proc. U. S. Nat. Mus., viii, 1885, 350. 



Dlendroica] bryanti Ridgway, Man. N. Am. Birds, 1887, 495. 



Dendroica bryanti Stone, Proc. Ac. Nat. Sci. Phila., 1890, 210 (Progreso, Yucatan). 



Dendrceca bryanti Sharpe, Cat. Birds Brit. Mus., x, 1885, 645, part. 



DENDROICA BRYANTI CASTANEICEPS Ridgway. 

 UAITGROVE WAKBLEK. 



Similar to D. h. bryanti, but averaging slightly darker above and 

 decidedly smaller. 



' Five specimens. 



The most southern specimens (from Puerto Limon, f!osta Rica) do not show the 

 slightest approach in coloration to D. erithachorides, but there appears to be a gradual 

 increase in size southward, average measurements, according to locality, being as 

 follows: 



