126 CORVIDiE. 



crest springing from the centre of the crown ; across the occiput a 

 line of white drawn from the hinder region of the e5-e above the ear- 

 coverts, and slightly shaded with puqjle ; the nape and hind neck 

 greyish purple, paler than the back ; rest of under surface of body 

 from the chest downwards light greyish purple, richer on the chest 

 and on the thighs ; lower wing-coverts greyish black, slightly 

 washed with purple ; inner lining of quills greyish black. Total 

 length 15 inches, culmen 1-4, wing 8-15, tail 6-9, tarsus 2. 

 Hah. Amazonia, Columbia, and Guiana. 



a. Ad. St. Rio Javarri. H. W. Bates, Esq. [C.]. 



b. Ad. sk. Peru. Pm-chased. 



c. Ad. sk. New Granada. Purchased. 



d. Ad. sk. British Guiana. Sir R. Schomburgk [C.]. 



12. Cyanocorax caeruleus. 



Urraca celeste, Azara, Apunt. i. p. 259. 



Pica Cferulea, Vieill. N. Diet. cVHist. Nat. xxvi. p. 126 {ex Azara). 

 Corvus azureus, Temm. PI. Col. ii. pi. 168. 

 Pica azurea, TFof/ler, Si/st. Av. Pica, sp. 25. 

 Cyanurus azureus, Swains. Faun. Bor.-Amer. Birds, p. 495. 

 Cvanocorax azureus, Gray, Gen. B. ii. p. 307 ; Hartl. Ind. Azara, 

 'p. 4 ; Bp. Consp. i. p. 379; Pelz. Orn. Bras. pp. 190, 433; 8cl. Sf 

 Sah: Nomencl. Av. Neotr. p. 40. 

 Cyanocorax cyanescens, LicM. Nuynencl. p. 40. 

 Coronideus cjenileus, Burni. Th. Bras. ii. p. 287, note. 

 Cyanocorax casruleus. Sold. Mus. P.-B. Coraces, p. 46. 

 Cyanurus caeruleus, Gray, Hand-l. B. ii. p. 6. 



Adult. General coloiir above deep smalt-blue, shading off into 

 brighter blue on the rump, the upper tail-coverts more cobalt ; wings 

 like the back, the inner webs of the quills black, the secondaries 

 only at the base, the innermost of the latter like the back ; tail deep 

 blue, the inner webs blackish along the edge ; head all round, inclu- 

 ding the throat and fore neck, black, the hinder crown shaded with 

 blue, and the feathers of the fore neck tipped with blue where they 

 adjoin the breast, which, with the rest of the under surface, is rich 

 smalt^bluc, as also the thighs and under wing- and tail-coverts ; bill 

 and legs black. Total length 15-5 inches, culmen 1-6, wing 8"15, 

 tail 6-9, tarsus 2'0o. (Mus. Salvm ^ Goihnan.) 



Hah. Southern Brazil. 



13. Cyanocorax heckeli. 



Cvanocorax heckelii, Pelz. Sitz. k. Akad. Wien, xx. p. 103 ; id. Orn. 



'Brasil. p. 191. 

 Cyanurus heckelii, Gray, Hand-l. B. ii. p. 6. 



Frontal plumes erect and rigid, directed forwards ; the entire 

 head, throat, and jugulum brownish black, without anj* lustre; the 

 wings inwardly, as well as their lower surface and that of the tail, 



