A C E S T R U R A . 



119 



Genus LXI.— ACESTRURA. 



Acestrura, Gould, Intr. Trocli., octavo ed., p. 91 (18G1). 

 Polymnia, Mils, and Verr., Class. Troch. (18G5), p. 91. 

 My rmia, Muls., Cat. Ois. Mouch. (1875), p. 32. 



Ch. Bill longer than the head, slightly arched. 

 Median rectrices very short ; the two outer ones 

 filamentous and shorter tlian the third. Wings 

 small ; tarsi clothed ; feet small. Sexes unlike. 



Range. Venezuela, Columbia, Ecuador, Peru, and 

 Bolivia. 



Key to the species. 



A. Throat luminous, violet-red. 



a. FeatLers of tlie neck not prolonged. 



a'. Breast and abdomen wliite. 

 b'. Breast gra}', abdomen green. 



b. Feathers of the neck elongated, abdomen and flanks green. 



B. Throat metallic-amethyst ; under surface buff. 



Type. 

 0. mnlxati/i, Bourc. 

 O. mulsanli, Bourc. 

 C. micrurus, Gould. 



Fig. 09. 



Acestrura muhanti. iS . Rio Napo. Whitely. 



1. O. mulsanli, Bourc. 



2. C. decoralus, Gould. 



3. O. heliodori, Bourc. 



4. C. micrura, Gould. 



1. Acestrura mulsanti. 



Ornismya mulsanti, Bocrc, Ann. Sci. Phys., Lyon (1842), torn, v, p. 342, pi. xx. 



Ornismya cyanopogon, D'Orb. and Lafres. (nee Less., 1829), Syu. Av., ii, p. 28, sp. 9 (1838). 



Mellisuga mulsanti, Gray, Gen. Birds, vol. i, p. 113, sp. 03. 



Calothorax mulsa7tti. Bon., Consp. Gen. Av. (1850), vol. i, p. 85.— Id., Rev. and Mag. Zool. (1854), p. 257.— 



Reich., Aufz. der Colib., p. 13 (1853).— Gocld, Mon. Troch., vol. iii. pi. 145 

 Lucifer mulsanti, Reich., Troch. Enum., p. 10 (1855). 



Acestrura inulsanti, Gocld, Intr. Troch., octavo ed., p. 91. — Elliot, Ibis (1877), p. 136. 

 Chcetocercus mulsanti. Cab. and Hein., Mus. Hein. Th., iii, p. 60 (1860). 

 Acestura mulsanti, Muls., Hist. Nat. Ois. Mouch., torn, iv, p. 118 (1877). 



ITah. Columbia, Ecuador, and Peru. 



Male. Upper surface and flanks shining dark grass-green. Wings dark purple. 

 Throat metallic violet-red. Line behind the eye, chin, breast, abdomen, under tail 

 coverts, and a tuft behind the thigh pure white. Tail purplish-black. Bill black. 

 Total length, 3| in. W7ng, 1| in. Tail, 11 in. Culmen, | in. 



Female. Above bronzy-green. Throat white; a patch of dark green on the sides 

 of the neck. Flanks dark green. Rest of under parts reddish-buff. Tail reddish- 

 buff witli a subterminal black bar. Bill black. Total length, 2| in. Wing, Ig in. 

 Tail, I in. Cidmen, \l in. 



2. *Acestrura decorata. 



Calothorax (Jecoratiis. Gould, V. Z. S. (1860), p. 309.— Id., Mon. Troch., vol. iii, pi. 146. 

 Acestrura decorata. Gocld, Intr. Troch., octavo ed., p. 91. 



Ilab. Columbia ■?. 



