Annual report . landica, of island or Iceland Distinctive marks. This species may be recognized by the crescentic,or wedge-shaped patch in front of the eye; by the color of the head, which is blue black, glossed with pur-plish instead of greenish blackQ as in the preceding species; bythe lengthening of the crest; feathers on the crown and occi-put, which is noticeably greaterthan in the preceding; and bythe shape of the bill which isrelatively shorter and deeper inthe present species. The whitewing patch is also divided bya black band and the whitecrescent on the lores comes directly in contac
Annual report . landica, of island or Iceland Distinctive marks. This species may be recognized by the crescentic,or wedge-shaped patch in front of the eye; by the color of the head, which is blue black, glossed with pur-plish instead of greenish blackQ as in the preceding species; bythe lengthening of the crest; feathers on the crown and occi-put, which is noticeably greaterthan in the preceding; and bythe shape of the bill which isrelatively shorter and deeper inthe present species. The whitewing patch is also divided bya black band and the whitecrescent on the lores comes directly in contact with the base of the are difficult to recognize, the general coloration of the two speciesbeing the same. Islandica, however, has the white wing patch crossedby a black band formed by the black tips of the greater wing coverts, and thebill is relatively shorter and higher at the base; the distance from the anteriormargin of the nostril to the tip of the bill is .66 inches in i s 1 a n d i c a and. Bill of Barrow nat. size Bill of American nat. size BIRDS OF NEW YORK 21 I
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectscience, bookyear1902
