EGG CHECK LIST OF NORTH AMERICAN BIRDS. 51 
680. Caspian Tern—sTrERNA CaspiA. Varying from white to greenish- 
buff, spotted and blotched with brown and lilac of different shades, oval; 
three or four; 2.70 by 1.85,7. Eggs laid on the ground in sandy places. 
Coast of N. J. 
681. Royal Tern—srerNaA REGIA. Varying from white to greenish- 
buff, spotted and blotched with brown, umber, and lilac of varying shades, 
with an occasional tinge of yellow, rather pyriform; two to three; 2.72 by 
1.72,v. Eggs laid on the ground in sandy places. 
Atlantic coast of the Southern and Middle States. 
683. Cabot’s Tern—sTERNA CANTIACA ACUFLAVIDA. Varying from 
white to buff, spotted and blotched with brown, umber, bluish and red- 
dish, oval; 2.05 by 1.28,v. Eggs laid on the ground in sandy places. 
Texas to Fla. 
685. Forster's Tern—srERNA FORSTERI. Varying from nearly pure 
white and pale green to warm brownish-drab, spotted and blotched with 
brown, umber and lilac, oval; three to four; 1.70 by 1.25,7. Eggs laid 
on the ground in marshy places. N. A. 
686. Common Tern—sTERNA FLUVIATILIS. Varying from greenish to 
deep brown, spotted and blotched with brown, blackish and lilac, oval; 
-three to four; 1.50 by 1.10,7. Nests placed on the ground in sandy 
places. (See Notes.) Europe, E. N. A. 
687. Arctic Tern—sTERNA MACRURA. From nearly pure white to 
deep brown, spotted and blotched with chocolate-brown, umber, and lilac of 
varying shades, oval; 1.50 by 1.10,7. Eggs laid on the ground in sandy 
places. Coast of New England States to the Arctic Seas. 
688. Roseate Tern—sTERNA DOUGALLI. Varying from greenish to 
deep brown, spotted and blotched with brown, umber and lilac, oval: 
1.45 by 1.10,7. Nests on the ground in sandy places. (See Notes.) 
= Fla. to New York. 
690. Least Tern—sTeRNA ANTILLARUM. Buff, spotted and blotched 
irregularly with brown, umber, and lilac of various shades, with an occa- 
sional tinge of yellowish, oval; three or four; 1. by .78,7. Nests on the 
ground in sandy places. Temperate N. A. 
691. Sooty Tern—srEerNA FuLIGINosA. — Pinkish-white, spotted and 
blotched with a rich reddish-brown, tinged with lilac, oval; two or three: 
1.95 by 1.50,7. Eggs placed on the ground in sandy places. 
Texas to Fla. 
693. Black Tern—HYDROCHELIDON LARIFORMIS SURINAMENSIS. Vary- 
ing from brown to greenish, spotted and blotched with brown and lilac, 
