340 ALCIDH, AUKS.—GEN. 318-9. 
murres, puffins and gannets; egg generally single, and deposited in a rift of 
rocks; 8X2, white or whitish variously speckled and blotched with brown. 
Comes S. in winter to the Middle States. N. Pacific, casually. Nurr., 
ii, 547; Aup., vii, 247, pl. 466; Cass. in Bp., 901; Couss, J. ¢. 18, 
and, op: cut. W861, 249 ais eee tae: caer Noles toate ne 
818-9. Genus FRATERCULA Brisson. 
* Not crested; eyelids appendaged; under mandible sulcate, like the upper, 
the grooves convex forward; culmen simple, with one curve; base of bill bossed ; 
corners of mouth callous. Blackish, including the throat, the sides of the head 
ashy-gray, with dusky maxillary patches (whole face dusky in the young) ; below, 
white ; bill red, blue and yellow; feet red. (Fvratercula.) 
Horned Puffin. A slender sharp spur on upper eyelid. Black of throat 
reaching the bill. 144; wing 74; tail 23; bill 2; tarsus 13. N. Pacific; 
not authentic on our Atlantic Coast. Mormon glacialis Aup., vii, 236, pl. 
463; MM. corniculata Cass. in Bp., 902; Couns, J. c. 24. . CORNICULATA. 
Common Puffin. Sea Parrot. <A thick blunt excrescence on eyelids. 
Black of throat not reaching the bill. 133; wing 64; tarsus 1; bill 2, depth 
at base 14. N. Atlantic, breeding in vast numbers, in burrows ; egg 24X12, 
Fic. 216. Common Puffin, 
broadly ovoid, rough-granular, white or whitish, more rarely brownish, 
obsoletely or not at all variegated. SS. in winter to the Middle States (to 
Georgia, Audubon). Nurtr., ii, 542; Aup., vii, 238, pl. 464; Cass. in 
Bp:,)903); Couns, 77¢: 21, and op. cit. 1861,-25ea) ae eee ee ROTIGUSS 
Var. GLAcIALIs, from the Arctic Coasts, is rather larger, especially the bill, 
which is about 24 long, 14-12 deep at base. Cass. in Bp., 903; Couss, J. c. 23. 
** Adult with a long flowing crest of filamentous feathers on each side of the 
head ; eyelids simple ; under mandible smooth, upper sulcate, the grooves concaye 
forward ; culmen with two curves, the basal part bossed. (ZLunda.) 
Tufted Puffin. Blackish, duller and more fuliginous below; face white ; 
crests straw-yellow ; bill red and livid; feet red. Young not crested, face 
not white, and at an early age the undeveloped bill has a different shape, 
represented in fig. 217 (this is Sagmatorhina lathami Br., Proc. Zool. Soc. 
1851, 202, pl. 44; Couns, J. c. 31; 8. labradora Cass. in Bp., 904; Ent., 
