428 CTTCTTLIDiE. 



Key to the Species. 



a. Larger and greener ; wing 8 inches in length, ex- 



ternally glossed with green or steel-blue major, p. 428. 



b. Smaller ; glossed with bronze or steel-black ; wing 



not exceeding 6'5 inches, glossed externally with 

 violet. 

 «'. C'ulmen with a high narrow ridge ; sides of the 



bill smooth, without grooves or ridges awe, p. 429. 



//. Culminal ridge not so high ; sides of bill with 



several chstiuct sulcations or grooves following [p. 4-32. 



the line of the culmen sulcirostris, 



1. Crotophaga major. 



liS Grand Bont-de-Petun, Briss. Orn. iv. p. 180 (1760); Daubent. 

 PI. Enl vi. pi. 102. fig. I. 



L'Ani des Paletuviers, Buf. Hist. Nat. vi. p. 423 (1779). 



Greater Ani, Lath. Gen. Syn. i. p. .362 (1781). 



Crotophaga major, Gm. Syst. Nat. i. p. 36.3 (1788) ; Less. Traite, 

 p. 310 (1831)': Neimied. Beitr. Nattirg. Bras. iv. p. 319 (1832); 

 TscJmcH Sf Cab. Faun. Pertain, pp. 40, 256 (1844-46) ; Gray, 

 Gen. B. ii. p. 458 (1845) ; Cab. in Scko77ib. Beis. Guian. iii. p. 712 

 (1848) ; Bp. Consp. i. p. 99 (1850) ; Burm. Th. Bras. ii. p. 2.53 

 (1855) ; Sd. P. Z. 8. 1857, p. 268 ; zV/. Cat. Amer. B. p. 320 

 (1862) ; Cab. !<f Heine, Mus. Hein. Th. iv. p. 99 (1862) ; Taylor, 

 Ihi.'^, 1864, p. 93; Schl. Mm. Pays-Bas, Cuculi, p. 47 (1864); 

 Liotaml, Ois. Trinidad, p. 358 (1866) ; 8d. ^' Salv. P. Z. S. 1866, 

 p. 195, 1867, p. 585 : Fitisch, P. Z. S. 1870, p. 587 ; Gray, Hand-l. 

 B. ii. p. 210, no. 8912 (1870) ; Pelz. Orn. Bras. p. 268 (1871) ; 

 Wyatt, Ibis, 1871, p. 379 ; Sd. 8,- Salt: Nomencl. Av. Neotr. 

 p. 107 (1873) ; iid. P. Z. S. 1879, p. 536 ; Salv. Cat. Strickl. Coll. 

 p. 443 (1882) ; Tacz. Orn. Perov, iii. p. 180 (1886). 



Anno Guazu, Azarr/, A/mnt. ii. p. .348 (1805) ; Hartl. Ind. Azara, 

 p. 17 (1847). 



Crotophaga americanus, Shaw, Gen. Zool. viii. p. 380, pi. 51 (1812). 



Crotophaga ani (nee Linn.), Vieill. Gal. Ois. i. p. 35, pi. 43 (1825). 



Adult male. Glossy blue-black, all the feathers of the head, neck, 

 mantle, and breast with metallic green edges ; feathers of head and 

 neck somewhat lanceolate in shape, lax and divided at the ends : 

 mantle more scale-like iu appearance, and on the breast the blue 

 and green colouring more diffused ; remainder of the wings more 

 uniform greenish steel-blue ; lower back, upper tail-coverts, and 

 tail nearly uniform violet-blue ; under surface of the wings glossy 

 steel-green : lores and region of eye bare : " bill, feet, and bare 

 skin of eye blackish ; iris beautiful light green, with a narrow 

 yellow ring round the pupil " (Ntuiuied). Total length 18 inches, 

 culmen 1-85, wing 8, tail 10, tarsus 1-65. 



Adtdt female. Similar to the male in colour. Total length 19-5 

 inches, culmen 1-75, wing 7-9, tail 10-7, tarsus 1-65. 



The youncj has a smaller casque to the bill, is duller in colour, 

 with less metallic gloss, and has the iris dark brown (Katterer). 



Hah. South America, from Colombia to Peru ; throughout the 

 valley of the Amazon, northwards to Guiana and Trinidad ; unknown 

 in Venezuela ; throughout BrazU, as far south as La Plata. 



