Columbidse of the Ethiopian Region. 271 



Treron delalandii, Gray, List Brit. Mus. Columb. 1856, 

 p. 11; Sclat. P. Z. S. 1862, p. 12, Ugaramo; Gurney, Ibis, 

 1862, p. 33, Natal; Sclat. P. Z. S. 1864, p. 113; Hartl. 

 P. Z. S. 1867, p. 827, Zanzibar; Layard, B. S. Afr. 1867, 

 p. 255; Gurney, Ibis, 1868, p. 164; Kersten, v. d. Deckcn's 

 Reisen, i. 1869, p. 60 ; Fiusch & Hartl. Vog. Ostafr. 1870, 

 p. 535 ; Heugl. Orn. N.O.-Afr. 1871-1875, p. 822, App. 

 p. 168; Shelley, Ibis, 1875, p. 83, Pinetown; Nicholson, 

 P. Z. S. 1878, p. 359, Dar-es-Salaam ; Fischer & Reichenow, 

 J. f. O. 1878, pp. 250, 293, Mombas; Holub & Pelz. Beitr. 

 Orn. Sudafr. 1882, p. 171 ; Shelley, Ibis, 1882, p. 358, 

 Matabele. 



Very similar to T. calva and T. ivakefieldi, but differs from 

 them both in the more ashy-olive shade of the head, neck, 

 and breast ; the feathers extend further onto the forehead ; 

 the vinous patch on the wings is generally slightly paler and 

 more ashy, remainder of the wings similar, excepting that 

 the olive parts, as well as the back and the tail, are yellower ; 

 tail olive-yellow, as in T. wakefieldi, with the broad terminal 

 paler bar not so strongly marked ; '' iris grey ; bill grey, with 

 the basal portion pink; legs red" (7". L. Ayres). Total 

 length 10 inches, culmen from frontal feathers 0*9, wing 

 6"65, tail 4*1, tarsus 0*95. 



Hub. E. Africa, Mombas to Kaffraria. 



My description is taken from a male collected by Mr. T. 

 Ayres at Pinetown, in Natal. The specimens examined 

 vary in length of wing from 6'2 to 6*8 inches. 



Subfam. II. Columbine. 



Tail of 12 feathers ; tarsus entirely bare or feathered only 

 on the upper portion in front. 



a. With the wing longer than the tail. 



a\ Tail not two thirds of wing. Distance between 

 the tip of the secondaries and tip of wing more 

 than half the length of tail. Breed in holes. 

 Tarsus naked. Fourth primary never longer 

 than au}' of the outer three 1. Columba. 



