412 



REVIEW OF AMERICAN BIRDS. 



[part I. 



Common Chaeacteks. — General color bluish-ash. Wings and tail glossy 

 greenish-black. Quills edged internally with white. A broad, large white 

 patch on inner webs of tail feathers. Cris^um egg yellow ; flanks more 

 olivaceous. Tibiae cottony white. 



A. Ptilogonijs. Tail a little longer than wings ; nearly even. 



Head ashy. Cheeks and nape (concealed partly by 

 incumbent crest) smoky ash ; forehead and chin 

 whitish, the latter passing into ash of throat and 

 breast. Eye-ring white. White tail patches rect- 

 angular ........ cinereus. 



B. Sphenotelus. Tail almost one and a half times wings ; 



pointed and very cuneate. 



Head and nape all round olivaceous-yellow ; top of 

 head ashy. Eye-ring yellow. White tail patches 

 lozenge-shaped ....... caudatus, 



Ptilogronys cinereus. 



"Plilogoiiys cinereus, SwAiNSON, Catal. Bullock's Mex. Mus. 1824, app. 

 p. 4."— BoN, Consp. 1850, 335.— Cabanis, Mus. Hein. 1851, 55.— 

 Baird, Birds N. Am. 1858, 319.— Sclater & Salvin, Ibis, 1859, 13 ; 

 1860, 31 (Guatemala).— Sclater, P. Z. S. 1856, 299 (Cordova) ; 

 1858, 302 (Oaxaca) ; 1859, 364 (Jalapa), 379 (Oaxaca ; eggs) ; 1864, 

 173 (City of Mexico).— Ib. Catal. 1861, 47, no. 2S4:.—Ptiliogoni/s 

 cinereus, Swainson, Phil. Mag. I, May, 1827, 368 ; Zool. 111. Ser. 2, 

 pi. 62, 120. — Pliliofjonatus cinereus, SwAixsoN, Zool. Jour. Ill, July, 

 1827, 164. 



Ilypothymis chrysorrhoa, Temm. PI. Col. pi. 452. 



Hah. Mountain regions of Mexico, from near northern border : south to 

 Guatemala. 



Ptilogonys cinereus, Swaikson. (Mexico.) 



