. The birds of eastern North America known to occur east of the nineteenth meridian .. . 7. v. Family VIREONID/E. Vireos. See page 171. ■ tor directions for ineasureincnt, .see page viii.(133) X34 THE BIRDS OF EASTERN NORTH AMERICA. Part 2. Upper mandible without notch or hook at tip. (1.) Bill, as illustrated; back, grayer bluish gray;bill, over .50; uostrils, concealed by bristly tufts; tarsus,scutellate; tail feathers, not stilt or i> SITTIN/E. page rff^-^ r£v (2.) Bill, as illustrated; back, bluish gray; bill, lessthan .50 ; size, smal
. The birds of eastern North America known to occur east of the nineteenth meridian .. . 7. v. Family VIREONID/E. Vireos. See page 171. ■ tor directions for ineasureincnt, .see page viii.(133) X34 THE BIRDS OF EASTERN NORTH AMERICA. Part 2. Upper mandible without notch or hook at tip. (1.) Bill, as illustrated; back, grayer bluish gray;bill, over .50; uostrils, concealed by bristly tufts; tarsus,scutellate; tail feathers, not stilt or i> SITTIN/E. page rff^-^ r£v (2.) Bill, as illustrated; back, bluish gray; bill, lessthan .50 ; size, small; length, less than ; lirst primnrwvery short. Family SYLVIID/C. Subfamily POLIOPTILIN/E. Gnatcatchers. See pag e 320. m (3.) 7M11, as illustrated; throat, black ; nostrils, conieMledby tufts of bristly feathers. Family PARID/E. Chickadees, Titmice. 552 ^^ ►See page 31S.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbirds, bookyear1900
