EGG CHECK LIST OF NORTH AMERICAN BIRDS. 49 
covered with a white calcareous deposit, rather elliptical; one or two; 
2.82 by 2. Nests in trees or on the ground. ° 
South Atlantic and Gulf coasts of U. S., and southern coast of Cal. 
640. American White Pelican—pELECANUS ERYTHRORHYNCHUS. White, 
covered with a calcareous deposit, oval; one or two; 3.15 by 2.20,v. 
Nests on the ground near the water. The nest is simply a low mound of 
dirt scraped together by the bird. N. A. 
641. Brown Pelican—prELECANUS FUscUs. White, covered with a 
white ‘calcareous deposit, oval; two; 2.80 by 1.80,v. Nest is a bulky 
structure placed in trees or on the ground. The birds congregate in 
thousands and select particular localities for breeding grounds, and will 
return year after year to the same place. They breed abundantly on 
Indian River, Florida. : South Atlantic and Gulf coasts of U. S. 
642. Common Cormorant — PHALACROCORAX CARBO. — Bluish-green, 
oval; three to four; 2.60 by 1.65,v. Nests on rocky cliffs. 
Atlantic Coast of N. A. 
643. _ Double-crested Cormorant—PHALACROCORAX DILOPHUS. Green- 
ish-blue, oval; three to four; 2.25 by 1.35,v. Nests on rocky cliffs. 
N. A. 
643a@. Florida Cormorant PHALACROCORAX DILOPHUS FLORIDANUS. 
Greenish-blue, oval; two to four; 2.40 by 1.40,v. Nests on rocky cliffs 
and in dead trees. South Atlantic and Gulf States. 
649. American Anhinga; Snake Bird—pLotus aNuHINGA.  Bluish or 
dark greenish-white, oval; three to five; 2.15 by :.12,v. Nest placed in 
trees. . Fresh waters of South Atlantic and Gulf States. 
650. Gannet—SULA BASSANA. Greenish-blue, covered with a calca- 
reous deposit, oval; 3. by 1.80,v. Nests on rocky cliffs. 
Atlantic coast of N. A. 
652. Booby Gannet—suLA LEUCOGASTRA. Greenish-blue, oval;, one 
or two; 2.25 by 1.55,7. Eggs usually placed on the naked ground or 
rock. 5 South Atlantic and Gulf States of U. S. 
654.  Yellow-billed Tropic Bird—pHaArErHon FLAVIROsTRIS. Chalky- 
white, usually very thickly’ spotted with reddish-chocolate of varying 
shades, oval; one; 2.15 by 1.55,7. Nest placed in holes of rocks. 
Tropical regions of the Atlantic seas. 
656. Black Skimmer—ruyncnuors NIGRA.  Yellowish-white, spotted 
and blotched rather coarsely with brown, umber, and lilac of varying 
shades, oval; two or three; 1.65 by 1.35,7. Eggs placed on the ground 
in sandy places. From Texas to New Jersey. 
