256 



COLUMBID.E. 



some specimens of the former occasionally show signs of atavism, 

 having the rump grey like the latter. Every ornithologist knows 

 the difficulty of drawing the exact line between G. livia and 

 C. intermedia *. 



a, b. J ad. et 

 imm. sk. 



c. Ad. sk. 



d. Ad. sk. 



e. Ad. sk. 



f. $ ad. sk. [var.]. 



g. 2 ad. sk. 

 h. Juv. st. 



i-p. 6 2 au< - et 



juv. sk. 

 q. Ad. sk. 

 r, s. Pull. st. 

 t. Ad. sk. [var.]. 

 u, v, w. Ad. st. 



[var.]. 

 x,y. Ad. sk. etad, 



[var.]. 

 z, a'- Ad. sk. 

 b', c. c? 2 ad. 



sk. 

 d'. c? ad. sk. 



[var.]. 

 e'-ff'. <S ad. et 



ad. sk. [vara.]. 

 h'-l'. Ad. sk. et 



ad. sk. [var.]. 

 m'. Ad. sk. [var.]. 



n'. <3 ad. sk. 

 o. Ad. sk. 

 p', q', r . Ad. sk. 

 et ad. st. & sk. 



[vars.]. 



Faeroe Isl., May, Sept. ( Mutter) . Hargitt Coll. 



Shetland Islands. 



Orkney Islands. 



Orkney Islands. 



Orkney Islands {J. H. Dunn). 



Tiree, N.W. Scotland, Aug. 



N. Uist. 



Cromarty, Oct. 



England. 

 England. 

 England. 

 Cambridgeshire. 



Caermarthen. 



Denmark, May {A. Benzon). 

 Pagania, Bulgaria, Nov. (H. 



Barclay). 

 Coroo, Azores, May (F. D.G.). 



St. Michaels, Azores, April 



(F. D.G.). 

 Madeira. 



Madeira. 



Teneriffe, March (F. D. G.). 

 Cape ^*el•d Islands. 

 Sierra Leone. 



C. Darwin, E<q. [P.]. 

 Gould Coll. 

 Hume Coll. 

 Hargitt Coll. 

 Colonel Irby [P.]. 

 Theodore Walker, 



Esq. [P.]. 

 G. J. Romanes, Esq. 



[P.J. 

 Hume Coll. 

 J. Baker, Esq. TP.]. 

 C. Darwin, Esq. [P.]. 

 J. Baker, Esq. [P.]. 



Montagu Coll. 



Tweeddale Coll. 

 Tweeddale Coll. 



Salvin-Godman Coll. 



Salvin-Godiuan Coll. 



C. Darwin, Esq. [P.]. 



W. Saunders, Esq. 



[P.]. 

 Salvin-Godman Coll. 

 A. Bouvier [C.]. 

 C. Darwin, Esq. [P.], 



* COLUMBA TURRICOLA. 



Columba oenadi affinis, Pall. Zogr. Ross.-As. p. 563 (Persia) (1811). 

 Columba livia, Savi, Om. Tosc. ii. p. 1(>0, with figure (1829) (nee iii. 



p. 227, 1831). 

 Columba turricola, Bp. Consp. Av. ii. p. 47 (1854) (Italy and Persia) ; id. 



Compt. Bend, xxxix. p. 1107 (Italy and Persia) (1854), xl. p. 218, n. 133 



(1855); id. Coup d'xil Ordre Piq. pp. 23, 56, n. 133 (1855); Sundew. 



Svenska Foglama, p. 168 (1856); Bchnb. Tauben, i. p. 57 (1862); 



? Tristr. Ibis, 1868, pp. 209, 210 (Palestine) ; G. B. Gr. Hand-lid, ii. 



p. 232, n. 9237 (1870) ; Selys-Longchamps, Ibis, 1870. pp. 453, 454 ; 



Salvad. Faun, d'ltal., Uco. p. 179 (1872); Sound. Yarr. Brit. B. iii. 



p. 15 (1882) ; Rein. § Bchnw. Nomencl. Mns. Rein. Om. p. 275 (1890). 



Similar to C. livia, but with grey rump, darker than in C. schimperi. 

 The above synonymy and description most probably refer to a mere variety 

 of half-bred C. livia, with grey rump. 



