ALOIDiE, AUKS. GEN. 327, 328. 



345 



outer claw smooth ; tail contained less than 3 times in length of wing. In summer, 

 black, with white on wings or head ; in winter, largely white ; hill black, feet red. 

 Length 12-15 ; wing 5J-7^ ; tarsus 1:^-1 J ; 

 bill li-lf. 



/J / Blade Quillemot. Sea Pigeon. A 

 large continuous white area ou both 

 upper and under surface of the wing, 

 (rarely imperfect or wanting) ; head and 

 neck with greenish gloss ; tail feathers 

 12 ; Aving 5^-6:^ ; bill rather acute. 

 N. Atlantic, very abundant, S. in winter to 



FlO. 233. 



New 



^3 ^ 



Black Guillemot. 



Jersey. Eggs laid in 

 fissures of rock, 2 (3?) in number, 2gXlf iu size, nearly ellipfical in 



shape, greenish-white, variously blotched 

 with brown and purplish. Arctic Seas ; 

 rare or casual in the N. Pacific? Nutt., 

 ii, 523; Aud., vii, 272, pi. 474; Cass. 

 in Bd., 911. CouES, ?. c. 68; and o]j. 



ell. 1861, 255 GRYLLE. 



Pigeon Guillemot. A large white area 

 Fig. 2.34. Pigeon Guillemot. on Upper Surface of wings only, partly 



divided by a black line ; head and neck with opaque ashy shade ; tail 

 feathers 14 (alwaj's?) ; bill rather obtuse ; size rather greater, wing about 7. 



N. Pacific. Cass, in Bd., 912; Coues, I. c. 12 columba. 



Sooty Guillemot. No white on 

 the wings, but usually whitish 

 patches on the head. Larger; 

 wing nearly 8 ; bill IJ-lf . North 

 Pacific. Cass, iu Bd., 913, pi. 97 ; 

 Coues, ?. c. 73. . . . carbo. 



328. Genus LOMVIA Brandt. 



*5(t* Tarsi scutellate in front, much fig. 23.5. Sooty Guillemot. 



shorter than middle toe without claw ; bill with decurved commissure, much longer 

 than tarsus, its end, and the outer claw, grooved ; nostrils feathered ; tail gradu- 

 ated, contained more than 3 times in the length of wing. Size and coloration 



almost exactly as described under Utama- 

 nia, but no white line from bill to eye. 



Common Guillemot, or 3Iurre. 

 Depth of bill at nostrils not nearly J 

 the length of culmen ; tomia of upper 

 mandible at base feathered, not notice- 

 ably dilated, nor brightly colored. In 

 FIG. 236. Common Guillemot. g^j^g cases, edges of cyclids, and line 



behind eye, white. N. Atlantic, Arctic and Pacific coasts, S. to New Jersey 

 and California; breeding in myriads on rocky islands. Egg single, ou bare 

 ledges ; 3-3^- long, by 1 J-2J broad ; the ground color varyiug from white 



KEY TO N. A. BIRDS. 44 



