1879.'] BIRDS FROM BOLIVIA. 609 



Fam. Corvid,£. 



169. Cyanocitta viridicyanea (d'Orb. & Lafr.). 



Garrulus viridicyaneus, d'Orb. & Lafr. Svn. Av. ii. p. 9 ; d'Orb. 

 Voy. Ois. p. 368, t. liii. f. 1. 



Cajapi, La Paz (O.) ; Ramosani, Tilotilo, Prov. Yungas (B.). 



170. Cyanocorax incas (Bodd.). 



Garrulus peruvianus, d'Orb. & Lafr. Syn. Av. ii. p. 9. 

 Xanthura incas, Scl. Ibis, 1879, p. 89. 

 Apolobamba (O.) ; Tilotilo, Prov. Yungas (B.). 



171. Cyanocorax chrysops (Vieill.). 

 Garrulus chrysops, d'Orb. & Lafr. Syn. Av. ii. p. 9. 

 Cyanocorax chrysops, Sbarpe, Cat. B. iii. p. 120. 

 Prov. Chiquitos (0.) ; Cinti (£.). 



172. Cyanocorax cyanomelas (Vieill.). 

 Pica cyanomelas, Vieill. (ex Azara). 



Garrulus cyanomelas, d'Orb. & Lafr. Syn. Av. ii. p. 9. 



Cyanocorax nigriceps, Scl. & Salv. P. Z. S. 1876, p. 354. 



Cyanocorax chilensis, Sharpe, Cat. B. iv. p. 125. 



Tilotilo, Prov. Yungas (B.). 



Since we have distinguished the Bolivian form of this species as 

 C. nigriceps we have had an opportunity of examining a skin from 

 Cornentes, which, there can be no doubt, is identical with the Para- 

 guayan form (i. e. cyanomelas, Vieill. ex Azara). The result is that 

 the Bolivian bird, if not precisely similar to the Corrientes form, is 

 much too near to be separated from it, and that the S. Brazilian 

 form (C. cyanomelas, Sharpe), will require a new name, if it is to be 

 kept distinct. 



It is possible that Bonaparte's Psilorhinus chilensis may, as Mr. 

 Sharpe conjectured, have been based on an example of this species; 

 but this name ought not to have been adopted, for two reasons: 

 (1) the diagnosis is altogether insufficient ; (2) the locality implied in 

 the name is erroneous. 



Fam. Tyrannid^e. 



173. Agriornis livida (Kittl.). 



Pepoaza gutturalis, d'Orb. & Lafr. Syn. Av. i. p. 351. 

 Pepoaza andecola, d'Orb. Voy. Ois. p. 351. 

 Agriornis livida, Scl. Cat. Am. B. p. 196. 

 Plateau of the Andes (O.). 



174. Agriornis maritima (d'Orb. & Lafr.). 



Pepoaza maritima, d'Orb. & Lafr. Syn. Av. i. n. 65 • d'Orh 

 Voy. Ois. p. 353. V ' 



Cobija and desert of Atacama (0.). 



Proc. Zool. Soc— 1879, No. XXXIX. 39 



