26 TRERONIDa). 



o. Ad. sk. Zambesi (Meller). Tweeddale Coll. 



p. Ad. sk. Zambesi. Sir J. Kirk [P.j. 



q. Ad. st. Shupanga (Kirk). Livingstone Exped. 



r, s,t. cj 5 ad. sk. Zomba, Nyassa, Aug., Sept. H. H. Johnston, 



Esq., C.B. [P.]. 

 u. Ad. sk. Milangi, Nyassa, Nov. H. H. Johnston, 



Esq., C.B. [P.]. 

 v. Ad. sk. Dar-es-Salaam (Buxton). Shelley Coll. 



w, x. Ad. sk. Mamboio (Kirk). Shelley Coll. 



y. Ad. sk. Ugogo {Kirk). Shelley Coll. 



3. CROCOPUS. 



Type. 



Croeopus, Bp. Consp. Av. ii. p. 11 (1854) ; id. 



Compt. Rend, xxxix. p. 874 (1854) C. phoenicopterus. 



Range. India, Burmese countries, Cochin China, and Ceylon. 



Key to the Species. 



a. Tail with a well-defined yellow-green band at 



the base. 



a . Green band at the base of the tail above 

 not strongly contrasting with the greenish 

 upper tail-coverts ; front part of the crown 

 with very little green phoenicopterus, p. 26. 



b'. Green band at the base of the tail contrast- 

 ing strongly both with grey tip and with 

 the grey upper tail-coverts viridifrons, p. 28. 



b. Tail generally plain grey above, with no green, 



or scarcely any, at the base ; underparts 

 yellowish green ; very little green, or scarcely 

 any, on the forehead chlorognster, p. 30. 



1. Croeopus phoenicopterus. 



Purple-shouldered Pigeon, Lath. Syn. Suppl. p. 201, n. 60/3 (1787). 

 Columba phoanicoptera, Lath. Ind. Orn. ii. p. 597, n. 13 (1700) ; 



Bonn. Enc. Meth. p. 244 (1790) ; Vieill. N. D. xxvi. p. 391 



(1818) ; Wagl. Syst. Av. Columba, sp. 1 (part.) (1827). 

 Columba militaris, part., Temm. Pig. pi. 1 (nee pi. 2) (1808) ; id. 



Hist. Nat. Pig. i. pp. 39, 139 (part.) (1813) ; Desm. Diet. Sc. Nat. 



xl. p. 363 (part.) (1826) ; Less. Tr. d'Orn. p. 476 (1831) ; id. Compl. 



de Buff., Ois. viii. p. 17 (1837) ; id. op. cit. 2nd ed. p. 273 (1838). 

 Columba militaris, var. C, Temm. Hist. Nat. Piq. i. p. 140 (1813). 

 Columba s. thoraae, part., Vieill. N. D. xxvi. p. 392 (1818). 

 Vinago militaris, part., Steph. Gen. Zool. xi. 1, p. 109 (1819) ; Cuv. 



Regn. An. 2nd ed. i. p. 492 (part.) (1829) ; Frankl. P.Z. S. 1831, 



p. 122 ; Vig. P. Z. S. 1831, p. 173 ; Gould, Cent. Himal. B. pi. 58 



(1831) ; Hartl. Syst. Verz. Brem. p. 98 (1844). 

 Treron militaris, part., Steph. Gen. Zool. xiv. 1, p. 274 (1826). 

 Columba hardwickii, Gray in Griff. An. Kingd. viii. with pi. 



(1829). 



