Columbidse of the Ethiopian Region. 265 



Key to the Species. 



a. With no grey collar at the base of tlie hind neck ; thighs 



not imiform bright yellow ; tail above grey. 

 a'. Head and neck ashy olive ; chest bright yellow ; 



thighs buff mottled with yellow 5. ivaalia. 



6\ Head, neck, and chest uniform olive-yellow; thighs 



bright yellow mottled with black G. australis. 



b. With a grey collar at the base of the hind neck ; thighs 



uniform bright yellow. 

 6\ Tail above grey ; olive of the back and wings less 



yellow 7. calva. 



c^. Tail above olive-yellow like the back ; olive of the 

 back and wings yellower. 

 c^. Head, neck, and chest olive-yellow ; terminal bar 

 to the tail above slightly paler and more dis- 

 tinctly marked 8. wahefieldi. 



d^. Head, neck, and chest ashy olive ; terminal bar to 

 the tail above slightly darker and less distinctly 

 marked . . . . , 9. delalandii. 



5. Treron waalia. 



Waalia, Bruce, Trav. Abyss. 1790, p. 186, pi. 



" Cglumba waalia, Gm., Bruce's Reisen, iibersetzt v. Cuhn, 

 V. ii. (1791) Zusatze, p. 31; id. iibersetz von Volkmann, v. 

 5 (1791) pp. 188, 190, pi. 38 '^ {fide Finsch & Hartl.). 



Coluniba abyssinica, Lath. Ind. Orn. Siipp. 1802, p. 60; 

 Temm. & Knip, Pig. i. 1808-1838, p. 131, pi. 9 (good), (uec 

 ? , pl. 8). 



Le Columba a epaulettes, male, Levaill. Ois. d^Afr. vi. 1808, 

 pl. 276 (not good) . 



Columba humeralis, Wagl. Syst. Av., Columba, 1827, sp. 2 

 (excl. ? ). 



Vinago abyssinica, Cuv. Regn. An. 1817, p. 457; ? Verr. 

 Rev. et Mag. Zool. 1851, p. 422, Gaboon; Antin. & Salvad. 

 Viagg. Bogos, 1873, p. 129. 



Treron abyssinica. Gray, List Gall. 1844, p. 3 ; Hartl. Orn. 

 W. Afr. 1857, p. 193, pt. ; ? Hartl. J. f. O. 1861, p. 266, St. 

 Thomas's Is. ; Blauf. Geol. & Zool. Abyss. 1870, p. 418. 



Phalacrotreron ahyssinina, Reichb. Taub. 1855, pp. 108, 

 181, pl. 242. figs. 1345-1346 ; Antin. Cat. descr. Ucc. 1864, 

 p. 87. 



