10. CALLI8TE. 123 



Callispiza nigroviridis, Cab. Mus. Hein. i. p. 27. 



Chalcotliraupis nigro-Yiridis, Bp. Rev. Zool. 1851, p. 145; id. Notes. 



I. Tang. p. 19. 

 Calliste cyanescens, Sclater, P. Z. S. 1856, p. 260 ; id. Mon. Callist. 



p. 79, pi. 35 ; id. Syn. Av. Tan. p. 80 ; id. Cat. A. B. p. 70. 

 Calliste nig-riviridis berlepschi, Tacz. Orn. Per. ii. p. 469. 



Above, front, sides of the head, and interscapulium black ; cap- 

 feathers black, broadly edged with shining greenish blue ; rump 

 greenish blue ; wings and tail black margined with blue ; bend of 

 wing bright blue : below black, all the feathers broadly terminated 

 with greenish blue ; middle of belly and under wing-coverts whitish ; 

 biU black, pale at the base : feet dark brown : whole length 4-8 inches, 

 wing 2-8, tail 2. Female similar. 



Mab. Venezuela, Colombia, Ecuador, and Peru. 



I formerly separated the larger and more bluish Venezuelan form 

 specifically as 0. cyanescens, but a fuller series of specimens has 

 convinced me that I was wrong in doing so ; nor can I keep dis- 

 tinct M. Taczanowski's C. nigriviridis berlepschi of Peru, in which 

 the terminal spots of the feathers have a rather more greenish 

 tinge. 



39. Calliste cabanisi. 



Calliste (sive Callispiza) sclateri, Cab. J. f. 0. 1866, p. 163. 

 Calhste cabanisi, Scl. Ibis, 1808, p. 71, t. iii., et 1870, p. 407; Scl.ef, 



Salv. Nomencl. p. 12 ; Salv. et Godm. Biol. Centr.-Am., Aves, i. 



p. 271. 



Above greenish blue ; wings and tail black margined with blue ; 

 interscapulium green ; cap black margined with blue : beneath pale 



