CYPSELUS 429 



Nab. Madeira and Canaries ; southern Spain, and some of 

 the Mediterranean Islands ; north Africa, east to the Persian 

 Gulf and Sind ; in winter as far south as Damaraland. 



Does not differ from O. apus in habits or nidification. 



613. MADEIRAN SWIFT. 

 CYPSELUS UNICQLOR. 



Cypselus unicolor, Jardine, Edinb. Journ. Nat. and Geogr. Sc. i. p. 242, 

 pi. vi. (1830); Dresser, iv. p. 601, pi. 868; (Hartert), Cat. B. Br. 

 Mus. xvi. p. 448 



Andorhina da terra, in Madeira. 



ad. (Madeira). Differs from C. apus in being smaller, having the tail more 

 deeply forked, the chin and throat barely paler than the rest of the under 

 parts, and the latter part slightly barred with dull brownish white. 

 Gape 0-6, wing 5*8, tail 3'1, the outermost feathers 1-05, longer than the 

 middle ones, tarsus 0*4 inch. 



Hob. Madeira and the Canary Islands ; a straggler to the 

 Cape Verde Islands. 



In general habits it closely resembles C. apus. 



614. WHITE-HUMPED SWIFT. 

 CYPSELUS AFFINIS. 



Cypselus affims, Gray and Hardw. 111. Ind. Zool. i. pi. 35, fig. 2 (1832) ; 

 Dresser, iv. p. 591, pi. 267 ; (Hartert), Cat. B. Br. Mus. xvi. p. 453 ; 

 Blanf. F. Brit. Ind. Birds, iii. p. 168 ; C. abyssinicus, Streubel, Ibis, 

 1848, p. 354 ; C. galilejensis, Antinori Namnannia, 1855, v. p. 307 ; 

 C. ca/er (Boie), Isis, 1844, p. 165, partim. 



Ababil, Babila, Hind. ; P&koli y Mahr. ; Wcehcetaniya, Cing. 



ad. (Palestine). Head and neck mouse-brown, paler on the forehead ; 

 back black, glossed witli purple ; wings, tail, and tail-coverts dark brown, 

 the first quill and the coverts narrowly margined with white ; rump, chin, 

 and throat white ; under parts blackish brown, glossed with purple ; bill 

 and feet black; iris dark brown. Culmen.0'28, gape 0*6, wing 5*05, 

 tail 1'64, tarsus 0'32 inch. Sexes alike. 



Hob. North-east Africa and west Africa, except Algeria and 

 north of the Atlas range ; south Africa to the Cape ; Palestine 

 and Persia east to India and Ceylon. East of the Bay of Bengal 

 it is replaced by C. subfurcatus Blyth which is darker on the 

 head, upper tail-coverts and tail, the last being longer and more 

 furcated. 



