■jQQ SYNOPSIS OF THE HUMMING-BIRDS. 



CwUgena [Tlmlurama) gyrinno, Rkich., Enum., p. 3, pi. G82, figs. 4500-1. 



Thaiwania furcata, Govld, Mom. Troch., vol. ii, pi. 101.— Id., lutr. Troch., octavo ed., p. 77.— Bon., Consp. 



Geu. Av., vol. i, p. 70.— Id., Kev. aud Mag. Zool. (1854), p. 254.— Reich., AuIz. dtr Colib., p. 7.— (Jab. 



and Hein., Mus. Heiu. Th., iii, p. 24.— Salv. aud Elliot, Ibis (1873), p. 3oG.— Muls., Hist. Nat. Uis. 



Mouch., torn, iii, p. 71. 

 Thalurania subfurcata, Hein., Journ. fur Ornith. (1863), p. 181. 



Hab. Guiana. 



Male. Head dull green, black in certain lights ; tipper parts of back brilliant 

 purple ; rest of back and upper tail coverts grass-green. Throat and upper part of 

 breast luminous grass-green. Under parts brilliant purple like the back. Upper 

 and under tail coverts dark green. Tail blue-black. Maxilla black. Mandible 

 brownish-black. Total length, 3f in. Wing. 1| in. Tail l^ in. Culmen § in. 



Female. Upper parts grass-green; beneath gray. Median rectrices green, lateral 

 ones bluish-black tipped with white. 



4. Thalurania furcatoides. 



Thalurania furcatoides, Gould. Mon. Troch., pt. xvi (text to T. furcata). — Id., Iiitr. Troch., octavo ed., p. 357 



(1861). — Salv. and Elliot, Ibis (1873), p. 357. — Muls., Hist. Nat. Ois. Mouch., torn, iii, p. 73. 

 Thalurania forficata, Cab. and Hein., Mus. Hein. Th., iii, p. 24 (1860). 



Bab. Para. 



This species oidy differs from the T. furcata in having a shorter and less forked 

 tail. It is the lower Amazonian form of the species just named. 



5. Thalurania nigrofasciata. 



Ornismya furcata. D'Orb, and Lafres. (nee Gmel.), Syn. Av., ii, p. 27, sp, 6 (1838). 



Trochilus {■ ?), nignfasciatus, Gould, P. Z. .S. (1846), p. 89. 



Thalurania viridipeclus, Gould, P. Z. S. (1848), p. 13. — Bon., Consp. Gen. Av., p. 76.— Id., Rev. and Mug. 

 Zool. (1854), p. 254. 



Polytmus nigrofasciatus, Grat, Gen. Birds, vol. i. p. 108, sp. 62. 



Saucerottia viridipecius, Reich., Aiifz. der Colib., p. 7 (1853). 



Coeligena nigrofasciata, Reich., Troch. Enum., p. 3, t. 684, fig. 4506 (1855). 



Caligena viridipectus, Reich., Troch. Enum., p. 3 (1855). 



Thalurania nigrofasciata, Bon., Consp. Gen. Av. (1850), vol. i, p. 76.— Reich. ,.Aufz. der Colib. (1853). p. 7. — 

 Bon., Rev. and Mag. Zool. (1854), p. 2.54.— Cab. and Hein., Mus. Hein. Th., iii (1860), p. 23.— Gould, 

 Mon. Troch., vol. ii, pi. 104.— Id., Intr. Troch., octavo ed., p. 78 (1861).— Salv. and Elliot, Ibis (1873), 

 p. 357. — Muls., Hist. Nat. Ois. Mouch., torn, iii, p. 75. — Elliot, Ibis (1877), p. 1.35. 



Thalurania tschndi, Gould, P. Z. S. (1860), p. 312. — Id., Intr. Troch., octavo ed. (1861), p. 78, et Auct. 



Hub. Ecuador and Peru. 



Male. Head and nape bronze, back shining green. Throat metallic emerald- 

 green, truncated or extending on to the breast, and sometimes bordered with black. 

 Rest of under parts and shoulders prussian-blue. Under tail coverts blue-black. 

 Tail steel-blue. Bill black. Total length, 4^ in. Wing, 2| in. Tail, If in. 

 Culmen, | in. 



Female. Upper parts shining grass-green ; under surface gray. Tail green at 

 base, remaining part steel-blue, with the lateral feathers tipped with white. 

 Dimensions as in the male. 



