170 Desci^tions of Birds from Central America. 



Buccal plate abruptly arched, with one prominent central 

 projection. 



Lingual formula about 80 rows, 31-1-31. Plates notched at 

 their outer posterior edges, longer than wide. Central plate 

 with three minute denticles, the middle one being largest. 

 Lateral plates bidentate, the outer denticle minute. Uncini 

 irregularly dentate or notched. 



Animal (in alcohol) black. 



XX. — Descriptions of Six New Species of Birds from 

 Central America. 



By Geo. N. Lawrence. 

 Bead October 23, 1865. 



l. Spermophila Hicksii, sp. nov. 



Male. Above and a broad band across the breast deep glossy black ; 

 rump feathers plumbeous at base, succeeded by a black band arid ter- 

 minating in white ; upper tail coverts black ; tail and wings black ; bend 

 of wing, a quadrate spot on the primaries, throat, a rather broad semi- 

 collar connecting with the white of the throat, lower part of breast, 

 abdomen, and the under wing coverts, pure white ; sides colored like 

 the rump with plumbeous, black and white, but not showing so much 

 white ; under tail coverts white at their ends, the bases black for hair 

 their length ; " eyes very dark, legs and bill black or nearly black." 

 The bill now is dark brown. 



Length (fresh) 4 in. ; wing 2 ; tail If; tarsi T 9 g-. 



Habitat. — Panama. Collected, January, 1865, by Fred. 

 Hicks, after whom I have named it. 

 Specimen in Mus. Smith. Inst. 



