266 HIRUNDO 



390. SUBSP. HIRUNDO ERYTHROG ASTRA. 



Hirundo erythrogastra, Bodd. Tabl. PL Enl. p. 45 (1 783) ; Sliarpe, Cat. 

 B. Br. Mus. x. p. 137 ; Kidgway, p. 461 ; Gates, F. Brit. Ind. Birds, 

 ii. p. 279 ; H. rufa, Gmel. Syst. Nat. ii. p. 1018 (1788) ; Brewer, 

 N. Am. Oolog. p. 91, pi. 5, figs. 63-67 (eggs) ; H. horreorum, Bartr. 

 Fragm. Nat. Hist. p. 17 (1799) ; Baird, Brewer, and Ridg. Hist. N. 

 Am. B. p. 339, pi. 16, fig. 9. 



ad. (N. America). Differs from H. rustica in having the thoracic 

 foand interrupted, and in having the under parts below the band pale 

 rufous. Culmen 0'4, wing 4*7, tail 3'6, tarsus 0*42 inch. 



Hob. North-Eastern Siberia, migrating through Mongolia ; 

 wintering in Burma and Southern China ; N. America as far 

 north as Alaska, south to Southern Brazil ; a straggler to 

 Greenland. 



In habits and nidification it does not differ from H. rustica. 



391. SUBSP. HIRUNDO SAVIGNII. 



Hirundo savignii, Steph. Gen. Zool. x. p. 90 (1817) ; Dresser, iii. p. 473, 

 pi. 160, fig. 2 ; Sharpe, Cat. B. Br. Mus. x. p. 133; H. cahirica, 

 Licht. Verz. Doubl. p. 58 (1823) ; H. riocouri, Audouin, Descr. de 

 1'Egypte, p. 270, pi. 4, fig. 4 (1825). 



$ ad. (Egypt). Differs from H. rustica in having the under parts 

 deep chestnut, and the markings on the tail rufous white ; the thoracic 

 band is, however, continuous as in H. rustica. Culmen 0'4, wing 4*7, tail 

 4-3, tarsus 0'45 inch. 



Hob. The valley of the Nile, where it is resident, and 

 Palestine. 



In habits it does not differ from H. ru&tica, and its nest and 

 eggs are similar to those of that species. In Egypt it breeds 

 from January to April. 



392. SUBSP. HIRUNDO TYTLERI. 



Hirundo tytleri, Jerdon, B. of Ind. iii. App. p. 870 (1864) ; Sharpe, Cat. 

 B. Br. Mus. x. p. 140 ; Gates, F. Brit. Ind. Birds, ii. p. 278. 



ad. (Siberia). Has the under parts chestnut-red, nearly as dark as 

 H. savignii, but the thoracic jband is interrupted as in H. eryfhrogastra. 

 Culmen 0'4, wing 4'8, tail, 4*0, tarsus 0'45 inch. 



Hal. Eastern Siberia from Kamchatka west to Irkutsk ; 

 wintering in Burma. 



