BIRDS OF THE ANAMBA ISLANDS. 34) 
Geographic distribution.—Breeds in Kamchatka and other parts 
of northeastern Siberia; and migrates west to Irkutsk in central 
southern Siberia. Winters south to southern China, Pegu, and 
Tenasserim. 
4. Hirundo rustica erythrogastris 1 Boddaert. 
Hirundo erythrogaster BoppAERT, Table Planch. Enlum., 1783, p. 45 (Cayenne). 
Subspecific characters.—Sunilar to Hirundo rustica tytlerr, but aver- 
aging decidedly paler on the lower parts; white tail-spots and white 
subterminal portions of feathers of upper parts less strongly tinged 
with buff; and size somewhat smaller. Resembling Hirundo rustica 
gutturalis, but throat averaging paler; remaining lower parts more 
heavily shaded with fulvous; tail-spots and concealed white subtermi- 
nal portions of feathers of upper surface more or less tinged with buff. 
Differs from Hirundo rustica rustica as from Hirundo rustica gutiuralis, 
and additionally in smaller size and interrupted blackish jugular 
band. 
Type-locality.—Cayenne, French Guiana. 
Geographic disiribution—Breeds in North America, east to the 
Atlantic Ocean; north to central Quebec (southern Ungava), northern 
Mackenzie, and northwestern Alaska; west to the Pacific Ocean; and 
south to the States of Tepic and Jalisco (Mexico), southern Texas, and 
North Carolina. Winters south to Chile, Argentina, and Brazil. 
Casual or accidental in Greenland, the Galapagos and the Bermuda 
islands. 
5. Mrundo rustica transitiva Hartert. 
Hirundo rustica transitiva HartEertT, Vogel paliarctischen Fauna, vol. 1, June 
1910, p. 802 (Plain of Esdralon, Palestine). 
Subspecific characters——Similar to Hirundo rustica rustica, but 
smaller, and with lower parts much more deeply rufescent. 
Type-locality.—Plain of Esdralon, Palestine. 
Geographic distribuiion.—Palestine. 
6. Hirundo rustica savigni Stephens. 
Hirundo Savignii SterHens, in Shaw’s Gen. Zool., vol. 10, pt. 1, 1817, p. 90 
(Egypt). 
Subspecific characters.—Resembling Hirundo rustica transitiva, but 
lower surface much darker, of a rich rufous chestnut. Very much 
like Hirundo rusiica tyileri, but with a usually unbroken blackish 
jugular band, and deeper tawny buff suffusion on the light tail-spots 
and the white concealed subterminal portions of the feathers of the 
upper surface. 
Type-locality._Kgypt. 
Geographic distribution.—Egypt and Nubia. 
1 The subspecifie term erythrogaster as here used is a Latin adjective of the third declension, and there- 
fore has for its proper feminine nominative erythrogastris, not erythrogastra, as commonly written. 
