^CALLISTE CYANEICOLLIS. 



THE BLUE-NECKED TANAGER. 



PLATE XXXVIII. 



Aglaia cyanicollis Lafr. et d'Orb. Syn. Av. in Mag. de Zool. 1837, 



p. 33. 



Tanagra cyanicollis .... d'Orb. Voy. p. 271. pi. 25. fig. 1. 



Callospiza cyanicollis. . . . Tsch. inWiegm. Arch. 1844, p. 286; Faun. Per. 

 p. 202. 



Aglaia cseruleocephala . . Sw. An. in Men. p. 356. 



Calliste cseruleocephala . . Gray, Gen. p. 366. sp. 18. 

 Bp. Consp. p. 235. sp. 19, 



Calliste cyanicollis Sclater, Contr. Orn. 1851, p. 115; P. Z. S. 1854, 



p. 1 15, 1855, p. 158, et 1856, p. 212 ; Syn. Av. 

 Tan. p. 88. 

 Cassin, Rep, U. S. Astr, Exp. ii. p. 181. pi. 18. 

 fig. 1. 



Mas adultus. Capite toto et gutture undique Isete cyaneis : gula 

 purpurascente : loris interscapulio et abdomine toto ni- 

 gerrimis ; hoc cseruleo lavato : dorso postico et alarum 

 tectricibus pallida viridibus, tectricibus alarum summis 

 aurescentioribus : remigibus et rectricibus nigris viridi 

 anguste marginatis : rostro et pedibus nigris : long, tota 4' 7, 

 alse 2*6, caudse 1'7 poll. Angl. 



Fcemina. Marl similis, sed coloribus paulo dilutioribus. 



The Zoology of the north-eastern provinces of the Bolivian Re- 

 public, where the southern confluents of the Amazons take their 

 rise, was first investigated by the great French traveller and naturalist 

 Alcide d'Orbigny. A large part of the birds collected by him in 

 this district (which he first described in conjunction with M. de La- 

 fresnaye in the 'Magasin de Zoologie,' and afterwards more fully 

 noticed in his 'Voyage dans I'AmeriqueMeridionale') were at that 

 time quite new to science. Since then, I am not aware that 

 any European collector has visited this region except Mr. Bridges, 

 who explored parts of this portion of Bolivia, and collected a 



G 2 



