48 EGG CHECK LIST OF NORTH AMERICAN BIRDS. 
619. \ Barrow’s Golden-eye—CLANGULA ISLANDICA. Ashy-green, elliptt- 
cal; six to ten; 2.40 by 1.70,v. The nest of this duck is placed in holes 
of trees. . N. A. 
620. American Golden-eye—CLANGULA GLAUCIUM AMERICANA. Ashy- 
green, spherical; ‘six to ten; 2.35 by 1.75,v. _The nest, like that ofthe 
preceding species, is placed in the holes of trees. N. A. 
621. Butterball; Bufflehead—cLaNnGuLa ALBEOLA. Varying from buff 
to a creamy-white or -grayish olive, elliptical; six to twelve; 1.75 by 
1.25,v. Nests in the hollow of a dead tree. N; A, 
622. Harlequin Duck—nisrrionicus minutus. Greenish-yellow, ellip- 
tical; six to ten; 2. by 1.30,v. Nests on the ground near water. 
Northern Seacoast of Northern Hemisphere. 
623. Long-tailed Duck; Old Squaw—HARELDA GLACIALIS. Greenish- 
ash, elliptical; six to ten; 2.10 by 1.50,v. Nests -on the ground inf 
marshy places. Northern Hemisphere. 
627. Common Ejider—soMATERIA MOLLISSIMA. <sshy-green,  ellipti- 
cal; six to ten; 2.85 by 1.98,v. Nests on the ground near water. N. N. A, 
629. King Eider—soMATERIA SPECTABILIS. Dirty-green, elliptical; six 
to ten; 2.60 by 1.75,7. Nests on the ground near water. 
Arctic regions of Northern Hemisphere. 
630. American Scoter—d:DEMIA AMERICANA. Pale yellow, oval; six 
to ten; 2. by 1.60,v. Nests on the ground near water. N. A. 
632. American Velvet Scoter—MELANETTA VELVETINA.  Dirty-cream 
color, oval; six to ten; 2.60 by 1.80,v. Nests on the ground near water. 
Europe and America, 
633. Surf Duck—PpELIONETTA PERSPICILLATA. Greenish-buff, elliptical ; 
six to twelve; 2.25 by 1.60,v. Nests on the ground near the water. 
Sea coast of N. A. 
636. American Sheldrake—-MERGUS MERGANSER AMERICANUS. Pale 
buff, oval; six to ten; 2.80 by 1.75,7. Nests in holes of trees. N. A. 
637. Red-breasted Sheldrake—MERGUS SERRATOR. Greenish-brown, 
oval; six to twelve; 2.50 by 1.72,7.. Nests om the ground in tall grass 
and weeds near water. ; Northern Hemisphere. 
638. Hooded Sheldrake—LopHopYTES CUCULLATUS. White, spherical; 
six to ten; 2.10 by 1.70,v. Nests plaeed in the holes of trees. N. A. 
639. Frigate Pelican—racHyPETES AQuILA. Bluish or greenish-white, 
