. The birds of eastern North America known to occur east of the nineteenth meridian .. . Dressers Eiiicr ih-esseri. Northern Eider liorealis. Top of head, black, divided on crown; more or less green on head ; throat, white;axillars, white: liill, eiilmeu. divided and rounded at base (^niale)- (See eut of bill.) S())ii(tfp)ii( dn-sscri. American Eider Duck. bee No. 1 It). * Fur directions for measurement, see page 9. 78 KEY TO THE BIRDS OF EASTERN NORTH Labriidor or Iieil Duckts. Cami)toluiiius lahiadorius. Formerly imt iiiicfmiiiiiui on the AtUuitio
. The birds of eastern North America known to occur east of the nineteenth meridian .. . Dressers Eiiicr ih-esseri. Northern Eider liorealis. Top of head, black, divided on crown; more or less green on head ; throat, white;axillars, white: liill, eiilmeu. divided and rounded at base (^niale)- (See eut of bill.) S())ii(tfp)ii( dn-sscri. American Eider Duck. bee No. 1 It). * Fur directions for measurement, see page 9. 78 KEY TO THE BIRDS OF EASTERN NORTH Labriidor or Iieil Duckts. Cami)toluiiius lahiadorius. Formerly imt iiiicfmiiiiiui on the AtUuitio C(ia:^t. Probably now extinct. See No. 113. FAMILY DUCK8, GEESE, AND SWANS. 79 Top of head, black, divided on crown; more or less green uu luud; throat, white;axiUars, white; (.-uhueu, divided and pointed at l)ase (male). (See cut of bill.) Sumateria horeais. Greenland Eider Duck. See No. 115. Top of head, slate color; dieeks, g-reeaisji; ilirouL, while, witli laii^c, l)laek, V=shapedmark (finale). Somateria spectahilis. King Eider Duck. See No. 117. Section 2. Hind toe, with well defined membraneous lobeor flap; no white on head ; belly, black. General plumage, black ; axillars, l)lacl<; uo whiteou wins;;lill, oiaiit;( at liase; leathers on bill, moi-(! tliau one half inch,^ y from nostril (male). Oidcmia americaiKi. American No. 118.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbirds, bookyear1900
