T E T R A G 0 N 0 P S F R A N T Z T 1. 
(COSTA-IUCAN BAliBKT.) 
TetmgonopH frantzii .... (1864) Sclater, Ibis, p. 371, pi. x. 
„ . . . . (1865) Frantzms, Ibis, p. 551 ; J. f. 0. 18G9, p. 303. 
(1868) Gray, Cat. Capit. Brit. Mus., p. 19. 
(1868) Lawr. Ann. Lyc. N.Y., p. . 
Gallinita, of tlie natives of Turrialba, Costa-Eiea f FrantznuJ . 
^ T. sordide olivaceus, capite aureo nitenti ; crista occipitali nigra : gutture toto saturate ochraceo : pectore 
medio aureo : abdomine virescenti-olivaceo, macula ad utrinque latera pectoris clare cinerea. 
P Mari similis, sed crista occipitali nigra nulla. 
Hah. In republica Costa- Ricensi. 
Male. Head olive, inclining to orange on the fore part, with a very distinct golden 
lustre in some lights; the rest of the upper surface of the body greenish ohve, more 
distinctly green upon the rump ; quills brown, the inner web pale fulvous at the base, the 
primaries externally edged with olive brown, the secondaries with greenish olive like the 
back ; space between the bill and the eye black ; cheeks, ear-coverts, and the entire throat, 
deep ochre with a slight golden lustre ; rest of the under surface of the body greenish ohve, 
washed, especially on the breast, with golden yellow, the shafts of the feathers on the flanks 
rather distinct, sides of the upper part of the breast clear blue grey ; tail dark greenish 
olive above, brown beneath ; bill plumbeous, pale at the tip ; legs and feet black. Total 
length 7-4 inches, wing 3-4, tail 2-3, tarsus 1-0. 
Female. Similar to the male, but wants the black occipital crest, and has the grey 
patches on the sides of the breast less largely developed. 
Hah. Costa Rica (Frantzizis, Carmiol). 
Tetragonops Frantzii is comparatively a new addition to Ornithological Science. It 
