126 Descriptions of New Species of Birds: 



XII. — Descriptions of New Species of Birds of the Families 

 Tanagridjs, Dendrocolapttd^e. Formicaridje, Tyrannid^e, 

 and Trochilid^e. 



By Geo. N. Lawrence, 

 Read May 1st, 1865. 



Fam. TANAGKID^E. 

 1. Buarreiiion Ocai, nor. sp. 



Male. Front, crown as far as on a line with the middle of the eyes, 

 and sides of the crown r black ; hind part of crown and occiput chest- 

 nut red, each feather faintly tipped with black; a narrow longitudinal 

 line on the front and a superciliary streak running from the bill to the 

 hind neck white, sides of the head black ; back, wings, and tail clear 

 yellowish green, a little duller on the rump ; quills brown on their inner 

 webs, the outer webs margined with yellowish green, except the entire 

 outer web of the first primary, a portion of the others towards their 

 points and the ends of the secondaries, where they are narrowly edged 

 with greyish ash ; the smaller wing coverts broadly margined with 

 greenish yellow, and the others tipped with the same ; bend of the wing 

 bright yellow, under wing coverts yellowish olive ; throat white, on each 

 side of which is an interrupted line of black running from the bill, and 

 connecting with a broad semicircular black band across the upper part 

 of the breast; breast and abdomen white, with a very dilute tinge of 

 fulvous ; sides fulvous brown ; thighs dull bluish ash ; under tail coverts 

 light fulvous; bill black; tarsi and toes brownish flesh-color. 



Length 81 inches ; wing 3i ; tail 4| ; bill f ; tarsi 1J-. 



Habitat.— -Mexico, Jalapa. 



Named in compliment to R. Montes de Oca, from whom I 

 received it. 



Remarks. — At first sight this species resembles B. brunnei- 

 nuchus, but is much larger, the bill stouter, the color above is 



