igi8. CATALOGUE OF BIRDS OF THE AMERICAS CORY. 175 



Genus AGYRTRINA- Chubb. 



Agyrtrina Chubb, Bds. Brit. Guiana, I, 1916, p. 395 (Type Uranomitra whitelyi 

 Boucard); substitute name for Agyrtria Reichenbach, etc. 



*Agyrtrina chionopectus chionopectus Gould. WHITE-BREASTED 

 EMERALD. 



Thaumatias chionopectus GOULD, Mon. Trochil., V, 1859, pi. 293 (Trinidad). 

 Agyrtria niveipectus ELLIOT, Syn. Trochil., 1879, p. 202; SALVIN, Cat. Bds. Brit. 



Mus., XVI, 1892, p. 180. 

 Agytria chionopectus RIDGWAY, Bull. U. S. Nat. Mus., No. 50, V, 1911, p. 431, in 



key. 



Range: Trinidad and coast of Venezuela. 

 2: Trinidad i; and Venezuela? i. 



*Agyrtrina chionopectus whitelyi (Boucard). b WHITELY'S EMERALD. 



Uranomitra whitelyi BOUCARD, The Humming Bird, III, 1893, P- 8 (Aunai, 



British Guiana). 



A. chionopectus whitelyi HARTERT, Das Tierreich, Trochil., 1900, p. 42. 

 Agritrina whitelyi CHUBB, Bds. Brit. Guiana, I, 1916, p. 397. 



Range: British Guiana. 

 2 : British Guiana. 



Agyrtrina leucogaster leucogaster (GmeL). WHITE-BELLIED EMERALD. 



Trochilus leucogaster GMELIN, Syst. Nat., I, 1788, p. 495 (Cayenne). 



Thaumatias leucogaster GOULD, Mon. Trochil., V, 1859, pi. 294. 



Agyrtria leucogaster ELLIOT, Syn. Trochil., 1879, p. 202; SALVIN, Cat. Bds. Brit. 



Mus., XVI, 1892, p. 181. 

 Agyrtrina leucogaster leucogaster CHUBB, Bds. Brit. Guiana, I, 1916, p. 397. 



Range: Dutch and French Guiana; British Guiana (Chubb). 



*Agyrtrina leucogaster bahiae c (Hartert). BAHIAN EMERALD. 



Agytria leucogaster bahiae HARTERT, Orn. Monatsb., VII, 1899, p. 140 (Bahia). 

 A. leucogaster bahiae HARTERT, Das Tierreich, Trochil., 1900, p. 43. 



Range: Eastern Brazil, 

 i: Brazil (Bahia). 



* The following described species are supposed to be hybrids: Agyrtria neglecta 

 (ELLIOT), Ibis, 1877, p. 140, Bolivia =Agyrtria versicolorXHylocharis cyanus (cf. 

 SIMON and HELLMAYR, Nov. Zool., XV, 1908, p. i); Agyrtria caeruleiceps (GOULD) 

 Proc. Zool. Soc. Lond., 1860, p. 307, Colombia; Salvin, Cat. Bds. Brit. Mus., XVI, 

 1892, p. 183, pi. VII, fig. i = Agyrtria milleriXchrysuronia aenone longirostris (cf. 

 Simon, Rev. Franc. d'Orn., No. 12, 1910, p. 178. 



b Agyrtrina chionopectus whitelyi BOUCARD: Differs from A. c. chionopectus 

 GOULD, in its somewhat darker coloration, most noticeable in head and tail. 



Agyrtrina leucogaster bahiae (HARTERT): Differs from A. 1. leucogaster (GMEL.) 

 from British Guiana in being smaller, bill shorter and tail darker and less greenish. 

 Wing, 52 to 54; bill, 20 mm. 



