52 SYNOPSIS OF THE HUMMING-BIRDS. 



Hah. Columbia'?. 



Adult. Resembles the P. anais, but has the feathers of the throat shining green 

 tipped with metallic-red, and the breast and centre of abdomen blue. In other 

 respects like anais. Total length, 4§ in. Wing, 3 in. Tail, 2| in. Cuhnen, 

 i| in. The type and one specimen in my collection are all that are known of 

 this form, 



5. Petasophora serrirostris. 



Trochilus serrirostris, Vieill., Nonv. Diet. Hist. Nat. (1817), vol. 7, p. 359. 



Colibri crispus, Spix., Av. Bras. (1824), vol. i, p. 80, t. 81, fig. 1. 



Grypus vieilloti, Steph., Gen. Zool., xiv, p. 256. 



Trochilus pefasophorus, Pr. Max., Reis. Bras., torn, ii, p. 191. — Id., Beitr., torn, iv, p. 76. — Tsch0d., Fann. 



Per., pp. 246-8 (1844). 

 Ornismya petasophora. Less., Ois. Mouch., p. 37, pi. 1 (1829). — D'Orb. and Lafres., Sju. Av., ii, p. 28, sp. 



12 (1838). 

 Polytmus serrirostris. Gray, Gen. Birds, vol. i, p. 108, sp. 24. 

 Petasophora gouldi, Bon., Consp. Gen. Av., vol. i, p. 69 (1850). 

 Petasophora serrirostris, Bon., Consp. Gen. Av., vol. i, p. 69 (1850). — Id., Rev. and Mag. Zool. (1854), p. 250. 



—Gould, Mon. Troch., vol. iv, pi. 223. — Id., Intr. Troch., octavo cd., p. 124. — Reich., Anfz. der Colib., 



p. 13. — Id., Troch. Enum., p. 11.— Cab. and Hein., Mus. Hein. Th., iii, p. 25. — Muls., Hist. Nat. Ois. 



Monch., torn, ii, p. 153.— Elliot, Ibis (1876), p. 406. 

 Petasophora chalcotis, Reich., Aufz. der Colib., p. 13 (1853).- Id., Troch. Enum., p. 11 (1855). 

 Petasophora crispa, Burm., Th. Bras., torn, ii, p. 335 (1856). 



ffah. Brazil, Bolivia (D'Orbigny). 



This species has the ear coverts metallic-violet ; and can be distinguished from 

 all of the other members of this genus, by its under tail coverts which are pure 

 white. Total length, 4j in. Wing, 2| in. Tail, 2g in. Culmen, J| in. 



6. Petasophora delphinae. 



Ornismya delphinm. Less., Rev. Zool. (1839), p. 44.— Id., 111. Zool. (1832), pi. 64. 



Polytmus delphince, Gray, Gen. Birds, vol. i, p. 108, sp. 30. 



Colibri delphince, Bon., Consp. Gen. Av., vol. i, p. 69 (1850). 



Telesiella delphince, Reich., Aufz. der Colib., p. 13 (1853).— Id., Troch. Enum., p. 11 (1865). 



Petasophora delphince, Bon., Rev. and jMag. Zool. (1854), p. 250. — Reich., Troch. Enum., p. 11 (1855).— 



Gori.D, Mon. Troch., vol. iv, pi. 229— Id., Intr. Troch., octavo ed., p. 125 (1861).— Muls., Hist. Nat. 



Ois. Mouch., torn, ii, p. 157.— Elliot, Ibis (1876), p. 406. 

 Telesilla delphince, Cab. and Hein., Mus. Hein. Th., iii, p. 27 (1860). 



Hah. Central America, Trinidad, Guiana, Venezuela, Columbia, Ecuador, and 

 Peru, 



Adult. Upper surface dark olive-brown ; . feathers of the rump and upper tail 

 coverts margined with rufous. Ear coverts puqilish-blue. Throat bronzy-green 

 terminating in blue. Under parts light smoke-brown. Under tail coverts rufous 

 with dark centres. Wings purplish-brown. Tail pale bronze-brown, with a sub- 

 terminal dark brown band. Bill and feet black. Total length, 41 in. Wing, 3 in. 

 Tail, 1 1 in. Culmen, f in. 



Yonng has the throat white with a central spot of metallic-green, and the under 

 parts generally, brownish-white, darkest in the centre of chest and abdomen. 



