A G Y R T K I A . 



201 



Genus cm.— AGYRTRIA. 



Thaumantias, Bon. (iicc Esciisru., Acal., 1829, nee Bon., Comijt. Reud., 



1850), Rev. and Mag. Zool. (1854), p. 2.1.=). 

 Thauviatias, Gould (nee Bon., ConiiH. Rend., 1850), Men. Troch. Intr., 



octavo ed., p. 151 (18G1). 

 Agyrtria, Reicu., Troch. Enuni., p. 7 (1855). 

 Leucodora, Mcls., Flist. Nat. Ois. Mouch., torn, i, p. 30'J (ncc 1875). 



Type. 



T. cancUdus, Bourc. 

 O. hrtviroatris. Less. 

 T. norrissii, Bourc. 



Ch. Bill slightly longer than the head, straight 

 or slightly curved. Feathers of the forehead not 

 extending upon the culmen. Nostrils exposed. 

 Wings long, narrow, pointed; first primary slightly 

 falcate. Tail ample, even, or slightly rounded. 

 Tarsi clothed. Sexes alike. 



Range. Mexico, Central America, Islands of 

 Tobago and Trinidad, Brazil, Guiana, Venezuela, 

 Columbia, Ecuador, and Peru. 



I recognize twenty species belonging to this 

 genus. 



■Agyrtria niKi^clus. o . Caicnie. Wliitclj. 



Key to the species. 



A. Throat aud breast white. 



a. Top of head brilliantly metallic. 



a'. Bill black. 



a". Tail purplish-bronze. 

 b'. Bill ; maxilla black, mandible flesh-color, tip black. 



a". Tail steel black, median feathers greenish-bronze. 

 b". Tail greeuish-gray, barred with brown near tip, bill 



long, stout. 

 c". Tail greenish-gray, subterminal bar dark brown ; 

 bill short, weak. 



b. Top of head slightly metallic. 



a'. Entire abdomen white. 



a". Tail greenish-bronze with a subterminal dark brown 

 bar. 

 b'. Abdomen and flanks pale rufous. 

 c'. Centre of abdomen white. 



a". Tail pale bronze-green barred with brown, tip dusky. 



b". Tail blue-black. 



B. Throat and upper part of breast blue. 



a. Tail pale greenish-bronze, with a subterminal blackish bar. 



b. Tail steel-blue. 



C. Throat and breast metallic-green. 



a. Under tail coverts gray, with a central line of bronze-green, 

 a'. Crown of head and face glittering green, 

 b'. Crown of head aud back of neck shining greenish-blue. 

 26 December, 1878. 



