276 Capt. a. E. Shelley on the 



1766, p. 279, pt.; Temm. & Kuip, Pig. i. 1808-1838, p. 24, 

 p. 11 (good); Gould, B. Eur. iv. 1837, pi. 244 (good) ; Ver- 

 nou Harcourt, P. Z. S. 1851, p. 146, Madeira ; Tristram, 

 Ibis, 1859, p. 35, Palestine ; 1860, p. 69, Algeria ; id. P. Z. S. 

 1864, p. 448 ; 1868, p. 209, Palestine ; Heugl. Orn. N.O.- 

 Afr. 1871-1875, p. 827, App. p. 168, Egypt; Shelley, B. 

 Egypt, 1872, p. 213; Gould, B. Gt. Brit. iv. 1873, pi. 2 

 (good); Dresser, B. Eur. vii. 1876, p. 23, pi. 458; Danford, 

 Ibis, 1878, p. 27, Asia Minor. 



Columba cavorum, C. L. Brehm, Vog. Deutsclil. 1831, 

 p. 492. 



Palumbcena cenas, Bp. Compt. Rend, xxxix. 1854, p. 1106. 



Columba arborea, C. L. Brehm, Vogelfaug, 1855, p. 257. 



Pabumboena columhella, Bp. Cat. Parzud. 1856, p. 9. 



General plumage leaden grey, with the upper back, scapu- 

 lars, and inner secondaries darker ; sides and back of the 

 neck brilliant metallic green, shot with lilac in certain lights ; 

 a few of the inner secondaries and inner greater and median 

 wing-coverts are boldly blotched with black on their outer 

 webs; the bastard wing- and primary- coverts shade into 

 black, and the outer secondaries have broad black ends ; the 

 primaries shade into slaty brown towards their ends and on 

 the entire outer feathers ; tail with a broad black end ; lower 

 throat and crop vinous, gradually shading into grey on the 

 chest ; under surface of the tail slaty black, paler towards 

 the base, and with a paler broadish bar about one inch from 

 the end ; under wing-coverts leaden grey ; under surface of 

 the quills dark brown, slightly washed with grey, and with 

 very narrow partial white edges to their inner webs; iris 

 dark brown ; bill inclining to grey towards the cere and 

 yellow at the tip ; legs red. Total length 13'5 inches, culmen 

 0'8, wing 8-4, tail 4*8, tarsus 1*1. 



Hab. Madeira, the Azores, and the shores of the Medi- 

 terranean. 



This species can hardly be regarded as belonging to the 

 African fauna. Its occurrence in Egypt is highly pro- 

 blematical ; its claim to being Egyptian rests on a single 

 specimen, so labelled, in the Berlin Museum. 



