O, A, c, 1. 1-10. 



DIEECTOKY TO BIIJDS OF EASTERN! XORTH A.MEEICA. 19 



of Me. northward ; comes south in early Oct, ; winters to X. J. 

 Goes north in April ; breeds in 

 June. Note, when disturbed, a 

 mournful whistle ; at other times 

 gives a chuckling cry. Very com- 

 mon. 



2. MANDT'S GUILLEMOT, 

 C. MAXDTii. Differs from 1 in 

 having the w^hite wing patch lar- 

 ger and never divided by a black 

 wedge. Breeds from the coast of 

 Labrador northward in .June and 

 .July ; southward range in winter 

 not well known. 



d. Little Auks. Alle. 



Very small, 8.00 ; bill shorter than head, not compressed 



(fig-. 16). 



1. DOVEKIE, A. Ai.LE. Black on upper parts and on 

 the head and neck all around ; wing bands, streaks on sec- 

 ondaries and beneath, white; in winter, white to the chin 

 Fig. 16. with a whitish collar extending 



around neck. A plump bird, 

 looking very small on the water, 

 upon which it rides very lightly. 

 Breeds in the far north, migrat 

 ing south in winter to N. .J., ap- 

 pearing in early Nov. ; goes north 

 in April. "Common, occurring 

 singly or in flocks, sometimes 

 O, A, d, 1. 1-6. blown inland in severe storms 



which occur during the southward migration. The single, 

 pyriform, greenish-white, unspotted egg is placed on the 

 shelves of rocky cliffs. 



