412 REVIEW OF AMERICAN BIRDS. [PART I. 
Common CHaracTEeRS. —General color bluish-ash. Wings and tail glossy 
preenish-black. Quills edged internally with white. A broad, large white 
patch on inner webs of tail feathers. Crissum egg yellow; flanks more 
olivaceous. Tibie cottony white. 
A. Ptilogonys. 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 : : ° 5 : : : - 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. LEye-ring yellow. White tail patches 
lozenge-shaped . ~ A 5 ° 4 - caudatus. 
Ptilogomys cimereus. 
“Ptilogonys cinereus, Swainson, Catal. Bullock’s Mex. Mus. 1824, app. 
p. 4.”,—Bon. Consp. 1850, 335.—Capanis, Mus. Hein. 1851, 55.— 
Baird, Birds N. Am. 1858, 319.—Sciatrer & Savin, Ibis, 1859, 13; 
1860, 31 (Guatemala).—ScuatTer, P. Z. 5. 1856, 299 (Cordova) ; 
1858, 302 (Oaxaca) ; 1859, 364 (Jalapa), 379 (Oaxaca; eggs) ; 1864, 
173 (City of Mexico).—Is. Catal. 1861, 47, no. 284.—Ptiliogonys 
cinereus, SwAInson, Phil. Mag. I, May, 1827, 368; Zool. Ill. Ser. 2, 
pl. 62, 120.—Ptiliogonatus cinereus, Swainson, Zool. Jour. III, July, 
. 1827, 164. 
Hypothymis chrysorrhoa, Temm. Pl. Col. pl. 452. 
Hab. Mountain regions of Mexico, from near northern border: south to 
Guatemala. 
| Ptilogonys cinereus, Swarnson. .(Mexico.) 
