30. GE0TBYG0N. 577 



10. Geotrygon costaricensis. 



Geotrygon costaricensis, Lawr. Ann. Lye. N. Y. ix. p. 136 (1868) 

 (Costa Rica) : Salv. Ibis, 1869, p. 317 ; Frantz. J.f. 0. 1809, p. 371 ; 

 G. R. Gr. Hand-list, ii. p. 243, n. 9400 (1870) ; Sclat. $ Salv. 

 Nomencl. Av. Neotrop. p. 134 (1873) ; Salvin, Ibis, 1874, p. 328 ; 

 Gieb. Thes. Orn. ii. p. 254 (1875) ; Howl. Orn. Misc. iii. p. 45, 

 pi. lxxxrii. (ad. & voung) (pt. xi., 1877) ; Boucard, P. Z. S. 1878, 

 p. 43; Ridgic. Pr.'U. S. Nat. Mus. v. pp. 498, 502 (1882) ; Zele- 

 don, An. Mus. Nac. Costa Rica, 1887, p. 127. 



Adult male. Forehead, lores, and anterior part of the cheeks, next 

 the lower mandible, white-huff; vertex grey, which gradually merges 

 into the green of the occiput and hind neck ; mantle purple ; rest 

 of the upper parts chestnut-purple ; cheeks white, bordered below 

 by a black line ; throat also white, changing into grey, tinged with 

 green on the lower front neck ; breast grey, changing into whitish 

 grey on the abdomen and under tail-coverts ; sides brown ; wings 

 chestnut-rufous, with a slight purple tinge on the edges of the upper 

 wing-coverts ; primaries slate-grey, secondaries with a slight brown- 

 olive tinge on the edges of the outer webs : underside of the wings 

 grey, darker on the under wing-coverts ; tail dark grey, the central 

 feathers with a slight brown tinge, the lateral ones with a narrow 

 terminal paler band : " bill hazel-brown ; the under mandible 

 yellowish at the end ; tarsi and toes yellowish flesh-colour " {Law- 

 rence). Total length about 10*5 inches, wing 5 - 5, tail 3, bill 0*6, 

 tarsus 1*55. 



Young. Like the young birds of the allied species, brown-chest- 

 nut, paler below, with crescentic black bands ; a green patch on the 

 nape. 



Hab. Costa Rica. 



a. 3 ad. sk. Candelaria, May. Salvin-Godman Coll. 



11. Geotrygon bourcieri. 



Geotrygon bourcieri, Up. Mus. Paris ; id. Consp. Av. ii. p. 71 (1854) 

 (Ecuador) ; id. Compt. Rend. xl. pp. 101, 220, n. 206 (1855) ; id. 

 Coup Wail Ordre Pig. pp. 34, 58, n. 206 (1855) ; Sclat. P. Z. S. 

 1860, p. 72; Rclinb. Tauben, i. p. 34 (1862), ii. p. 166 (1862) ; 

 Sclat. Sf Salv. Exat. Orn. p. 79 (part.) (1867); G. R. Gr. Hand- 

 list, ii. p. 243, u. 9392 < 1870) ; Gieb. The*. Orn. ii. p. 254 (1875) ; 

 Berl. S[ Taos. P. Z. S. 1—4. p. 312 (W. Ecuador) ; Too. $ Berl 

 P. Z. S. 188-5, pp. 69, 111. 123 (W. Ecuador, X. Peru) ; Tacz. Orn. 

 Per. iii. p. 259 (part.), Tables, p. 103 (1886) ; Rein. $ Rchmc. 

 Nomencl. Mas. Hem. Orn. p. 286 (1889). 



PGeotrvgon frenata, Tacz. (nee Tsck.) P. Z. S. 1880, p. 213 (Cutervo, 

 N. Peru). 



Adult male. Upper parts rufous brown ; mantle purple, in some 

 specimens with a bluish-green lustre ; forehead and checks vinous, 

 changing into grey on the crown and occiput; nape with a purple 

 tinge on the edges of the feathers ; the vinous cheeks bordered 

 below by a black line : throat white ; upper part of the sides of the 



vol. xxi. 2 p 



