2i!2 STATE AGRICULTURAL COLLEGE BULLETINS. 



Subfamily STERXIN^E. Terns ; Sea Swallows. 



Genus GELOCHELIDON Bekhm. 



*2o-B3-(7{>2). (teloclielidoii iiilotica (i?^a.sse/g.). Gull billed Tern; Marsh Tern 

 Rather common ; "a straggler and rather rare in Kalamazoo county "' ( Dr. M. Gibbs); 

 Great Lakes ; often abundant on Lake Michigan ; " often common on Lake Erie " 

 { Jerome Trombley ); " Ohio, Illinois and Michigan " ( Butler's Birds of Indiana, p. 108 ); 

 "breeds on St. Clair Flats" (A. B. Covert); R. H. Wolcott saw it at St. Clair Flats, 

 July 20, 1893. 



Genus STERNA Linn. 



2(>-(>4-( 75)8 ). Sterna tscliegrava Lepech. Caspian Tern; Imperial Tern. 



Very rare ; probably a straggler ; one taken by the late W. H. Collins of Deti'oit is 

 now in the National Museum ; Great Lakes. Seen by Robert H. Wolcott at St. Clair 

 Flats. July 20, 1893 ; winter ; " taken repeatedly at Mackinac Island, identification cer- 

 tain " ( S. E. White ); said to breed on islands of Lake Michigan ( see Davie's Nests and 

 Eggs of North American Birds, p. 33); breeds abundantly on Gull Island, twenty-five 

 miles southeast of Escanaba. (Ed. VanWinkle in Oologist, Vol. X, p. Ill ); nest in a 

 slight hollow in the ground ; eggs, two or three, dark drab or greenish buff, spotted 

 with brown and lilac ; Prof. Ludwig Kumlein has taken several sets of eggs at Green 

 Bay, Wisconsin. 



27-(>5-(794). Sterna maxima Bodd. Royal Teen; Cayenne Tern. 



Rare ; spring and summer ; Lake Michigan ; " rare summer visitant, occasionally 

 taken on Lake Michigan in late spring'" (Gibbs' Birds of Michigan); "common but 

 less so than the preceding at Mackinac Island " (S. E. White); "Upper^ Peninsula'' 

 (A. H. Boies); see Butler's Birds of Indiana, p. 108. 



28-69-( 798 ). Sterna forsteri Nutt. Porster's Tern. 



Not common; spring, summer and autumn; " Hillsdale county " (A. H. Boies); 

 " breeds on St. Clair Flats " ( A. B. Covert ); '• quite common at Port Sanilac, and breeds 

 at St. Clair Flats, where I have taken eggs " ( W. A. Oldfleld ); " breeds freely in Upper 

 Peninsula" (Prof. Ludwig Kumlein); "breeds on shore of Lake Superior " (_ H. 

 Nehrling). 



29-70-( 797 ). Sterna hinindo Linn. Common Tern ; Wilson's Tern ; Sea Swallow. 



Common ; migrant ; "common on Saginaw Bay in fall, a few breed on Heisterman's 

 Island, nesting on top of the muskrats' houses in marshes" (N.A.Eddy); "common 

 on Lake Erie" (Jerome Trombley); seen at St. Clair Flats, July 20, by Robt. H. Wol- 

 cott ; "rather common migrant at St. Joseph " ( O. B. Warren ); " breeds on St. Clair 

 Flats" ( A. B. Covert ); "throughout the summer in northern Indiana, where it may 

 breed'" (Butler's Birds of Indiana); T. G. White saw a specimen on Mackinac Island, 

 August 28, 1890; "Keweenaw Point" (Kneelknd); "breeds in Upper Peninsula" 

 ( Prof. Lndwig Kumlein ); nests on ground ; eggs four, very variable, often pinkish drab, 

 spotted with brown or gray ; nests rude. This bird is embraced in Dr. A. Sager's list 

 of 1839. 



