168 SYNOPSIS OF THE HUMMING-BIRDS. 



Key to (he species. 



A. Top of head and throat blue; tail bronze-green. 1. C. humholdli. 



B. Entire head and throat blue, tail fiery golden-bronze. 2. C. senone. 



C. Crown of bead and chin blue, tail golden-bronze. 3. C. Josephines. 



D. Crown green, throat lazuline-blue, tail shining green-bronze. 4. C. cliciae. 



E. Head golden inclining to brown, throat buflf. Tail metallic-golden. 5. G. chrysura. 



1. Chrysuronia humboldti. 



Trochilus humboldti, Bourc. and Mcls., Ann. Sci. Phys., Lyon (1852), p. 142. 



Chrysuronia humboldti, Reich., Anfz. der Colib., p. 9 (1853). — Id., Troch. Enura., p. 5 (1855). — Gould, Mod. 



Troch., vol. V, pi. 327.— Id., Intr. Troch., octavo ed., p. 1G5 (18G1).— Bon., Rev. and Mag. Zool. (1854), 



p. 254. 

 Chrymrisca humboldti, Cab. and Hein., Mus. Hein. Th., iii, p. 42 (note 4) (1860). 

 Tliaumatias viridicaudus, Lawk., Ann. Lye. Nat. Hist. N. Y. (1866), p. 403, J . 



Sah. Ecuador. 



MaJe. Top of head and throat dark purple-bhie. Upper surface golden-green, 

 bronzy on the rump. "Wings purplish-brown. Under surface shining light bronzy- 

 green with a white streak in the centre of the abdomen. Tail dark bronzy-green, 

 with a bluish shade on tlie central feathers. Under tail coverts white. Bill flesh- 

 colour, or red], tip black. Feet brown. Total length, 4 in. AVing, 2| in. Tail, 

 1| in. Culmen, f in. (Type in my collection.) 



Female. Upper parts coppery-bronze. Under surface dull white, breast spangled 

 with green. Central tail feathers dark green, lateral ones bronzy-green, graduating 

 into dark brown and tipped with white. Total length, 4 in. Wing, 2| in. Tail, 

 1^ in. Culmen, f in. (Type in my collection.) 



2. Chrysuronia aenone. 



Ornismya cenone. Less., Ois. Mouch. Supp., p. 157, pi. 30. — Delatt. and Less., Rev. Zool. (1839), p. 17. 



Polytmus cenoTie, Gray, Gen. Birds, vol. i, p. 109, sp. 80. 



Chrysuronia cenone, Bon., Consp. Gen. Av., vol. i, p. 75 (1850). — Id., Rev. and Mag. Zool. (1854), p. 254.— 



Reich., Aufz. der Colib., p. 9 (1853).— Id., Troch. Enum., p. 5, t. 722, figs. 4642-43 (1855).— Gocld, Mnn. 



Troch., vol. V, pi. 325. — Id., Intr. Troch., octavo ed., p. 164 (1861). — Muls., Hist. Nat. Ois. Moucb., lorn. 



ii, p. 7 (1875). 

 Chrysurisca cenone. Cab. and Hein., Mus. Hein. Th., iii, p. 42 (1860). 



Hah. Venezuela, Columbia, Ecuador. 



Male. Head and throat deep shining blue. Upper parts grass-green. Under 

 parts luminous yellowish-green. Wings purplish-brown. Upper and under tail 

 coverts, and tail fiery golden-bronze. Maxilla black. Mandible flesh-color, tip 

 black. Total length, 4 in. Wing, 21 in. Tail, 1^ in. Culmen, f in. 



Female. Upper surface golden-green. Under surface white, spangled with green. 

 Vent Avhite. Rest like the male. Dimensions the same. 



There is a slight difference in the length of bill observable between Columbian 

 and Ecuadorian examples, and the heads of the latter are a greenish-blue ; but I 

 believe there is only one species. 



