RIPARIA. 425 



dull ashy brown below. Length, 117; wing, 104; tail, "20: eulmen, 7; 

 tarsus, 12." (Sharpe.) 



Female. — Above blackish brown, slightly glossed with steel-blue, and 

 the feathers with white bases which show through on the neck and back ; 

 a white band across rump, some of its feathers with smoky brown shafts 

 and tips; wings and tail blackish brown; lores, subocular line, and ear- 

 coverts smoky brown; under parts white; chin and breast washed with 

 light smoky bro^vii; under tail-coverts smoky brown with darker shafts 

 and white tips. Length, 117; wing, 104; tail, 46; eulmen from base, 

 7; tarsus, 7. 



Very little is known concerning the occurrence of the Siberian swallow 

 in the Philippines where it has been found only during migration. 



Genus RIPARIA Forster, 1817. 



Plumage dull in color, above brownish black or earthy brown ; no band 

 across rump and no light spots on the tail which is but slightly forked; 

 tarsi and toes nearly or quite naked. 



Species. 



a^. Larger; wing, 95 mm. or more; a small tuft of feathers on back of tarsus at 

 base of hind toe; a dark band across breast riparia (p. 425) 



a-. Smaller; wing, 90 mm. or less; no tuft of feathers on tarsus; no dark band 

 across breast chinensis (p. 426) 



388. RIPARIA RIPARIA (Linnipus). 



BANK SWALLOW. 



Uirundo riparia Linn-eus, Syst. Nat. (1758), 1, 192. 



Ootile riparia Sharpe, Cat. Birds Brit. Mus. (1885), 10, 96; Gates, 



Fauna Brit. Ind. Bds. (1890), 2, 272, fig. 76 (foot). 

 Clivicola riparia Sharpe, Hand-List (1901), 3, 189; Oates and Reid, 



Cat. Birds' Eggs (190.3), 3, 231; McGregor, Bull. Philippine Mus. 



(1904), 4, 33; McGregob and Worcester, Hand-List (1906), 69. 



Calayan (McGregor) . Northern America and Asia; Europe, China; in 

 winter to Central and South America, Africa, Indian Peninsula, and Indo- 

 Burmese countries. 



Adult. — Lores and crown blackish brown; remainder of upper parts 

 grayish brown, each feather with a light gi'ay fringe; primaries and 

 coverts blackish brown; tail dark brown, its feathers edged with white; 

 under parts white with a distinct dark brown band across the breast. 

 Length, about 115; wing, 96; tail, 45; depth of fork, 7; bill from 

 nostril, 5 ; tarsus, 9. 



"Young birds have all the feathers of the upper plumage and the 

 wings margined with rufous, the chin and throat fulvous, and the breast 

 broadly brown." (Oates.) 



The bank swallow has a very wide range, but occurs in the Philippines 

 as a rare migrant only. 



