10. TKTRAOONOPS. 121 



'2. Tetragonops frantzii. 



'retraf^ourips frantzii, .SV7. Ibis, 1604, p. ."571, pi. .\. ; Fraiitz. Ibis, 

 ls().">, p. ')'y\ ; Liiwr. Ann. Li/c. X. Y. ix. pp. 87. loO (IStiS); 

 Gray, List Caplf. Brit. .Hits', p. 10 (1868): id. lland-l. B. ii. 

 p. 177, no. 84^(9 (1870) ; Marshall, Monof/r. C'aj>it. p. 3, pi. ii. 

 (1871) ; 6W. 4- Hah: X<,m<-ncl. Av. Ncotr. p! 110 (1873) ; Bmicard, 

 P. Z. S. 1878, p. 47. 



Adult male. General colour above olive-green, the head, mantle, 

 and back more ochraccous ; wing-covcrts olive-gi'ceti, as also the 

 outer webs of the secondaries, the primaries externally dull olive- 

 yellow ; tail-feathers dull olive-green : on the nape a tuft of 

 elongated glossy black feathers, extending on to the mantle : head 

 like the back, but a little more washed with golden yellow, which 

 is very prominent on the forehead and over the eye : lores black ; 

 sides of face, ear-coverts, cheeks, throat, and chest reddish ochre, 

 the base of the chin blackish ; remainder of under surface of body 

 greenish, mixed with ashy, the breast washed with golden, the 

 abdomen with pale yellow ; sides of upper breast hoary grey. 

 Total length 7"3 inches, culmen 0*8, wing 3-45, tail 2'3, tarsus 0-9. 



Adult female. Similar to the male in colour. Total length T'o 

 inches, culmen 0*7, wing 3-4, tail 2-4, tarsus 0-95. 



ifab. Costa Kica. 



a, b, c. Ad. sk. Costa Rica. Purchased. 



d, ('. S 2 ^d. sk. Costa Rica ( Von Frantzius). Sclater Coll. 



f,<j. c? j ad.sk. Costa Rica (,/. Carmiol). Salviu-Godmau Coll. 



h. cS 'id. sk. Xavarro, Costa Rica, Jan. {J. 8alviu-(Todman Coll. 



Cooper), 



i, k. Ad. sk. Irazu district, Costa Rica (//. Salviu-Godman Coll. 



Rogers). 



I. Ad. sk. Veragua, Salvin-Godman Coll. 



