. Directory to the birds of Eastern North America .. . CC, JL, c, Kough-vvinged Swallows. Stelgidoi)teryx. Rather small swallows, brownish above, white below;tail, moderately forked; adult males with the barbs of theouter wing feather hooked backward, lig. 346. 1. EOUGH-WINGED SWALLOW, S. SEKRiPENNis. ;brown throughout, excepting middle lower parts, ,and under tail coverts, tig. 347. Breeds in temperate N- Central America north to southern Conn, and BritishColumbia; winters in Central America; south in Sep. : northin May. Nests in holes of bridges, buildings, banks, etc


. Directory to the birds of Eastern North America .. . CC, JL, c, Kough-vvinged Swallows. Stelgidoi)teryx. Rather small swallows, brownish above, white below;tail, moderately forked; adult males with the barbs of theouter wing feather hooked backward, lig. 346. 1. EOUGH-WINGED SWALLOW, S. SEKRiPENNis. ;brown throughout, excepting middle lower parts, ,and under tail coverts, tig. 347. Breeds in temperate N- Central America north to southern Conn, and BritishColumbia; winters in Central America; south in Sep. : northin May. Nests in holes of bridges, buildings, banks, etc.,seldom in communities ; eggs, unspotted. Notes, feeble twit-ters. Flight, not very strong. Fig. 346. Fig. CC, L, d, 1. 262 SWALLOWS. e. Tree Swallows. Iridoprocne. Larger swallows, with medium forked tails; bluishabove; white beneath. 1. WHITE-BELLIED SWALLOW, I. bicolor. ;greenish steel-blue above; white beneath, fig. 348. Female, Fig. 348.


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