ZOOLOGICAL DEPARTMENT. 219 



Genus CEPPHUS Pall. 



10-27(871). CeppUus grylle (Z-inn.) Black Guillemot. 



" Not rare in Upper Peninsula, occasional seasons " (Dr. M. Gibbs) ; " may occur as 

 a rare straggler '" ( Prof. Ludwig Kumlein ) ; " very rare even as an accidental visitor " 

 ( C. S. Osborn ). 



Genus URIA Bbiss. 



ll-30-(S74). I'ria troile (Linn.). Murre. 



" Occasionally taken on Lake Superior " ( Gibbs' Birds of Michigan ). I think this a 

 doubtful Michigan bird ; "'so do I — also all the other Alcidit '" ( Robt. Ridgway j. 



Genus AL('A Linn. 



12-32^(87 7). AIca torda Linn. Razor-billed Auk. 



" Irregular visitor to Northern Peninsula " ( Gibbs' Birds of Michigan ); I have heard 

 of one captured, but even this is not well authenticated" (C. S. Osborn); '"the chances 

 are one hundred to one against the five preceding species appearing in Michigan even 

 as wanderers, especially is this true of Fratercula arctica" ( Prof. J. A. Allen); "I 

 concur with Prof. Allen " ( A. H. Boies ). 



Genus ALLE Link. 



13-34-(863). Alle alle (iiwn.). Sea Dove; Dovekie. 



The late W. H. Collins reported killing one on Detroit River, Nov. 30, 1881 ( O. and 

 O., Vol. VII, p. 111. 



Order LONCIIPENNES. Long-winged Swimmers. 



Family STERCORARIIDiE. Skuas and Jaegers. 

 Genus STERC0RARIU8 Bbiss. 



14:-3(>-( 765 ). Stercorarius pomariiius (Temm.). Pomarine Jaeger. 



Very rare ; one taken on Beaver Island, Michigan, by Prof. Ludwig Kumlein 

 Reported ( Butler's Birds of Ind.) from Lake Michigan ; E. L. Mosley reports a speci- 

 men shot at Sandusky, O., October. 1889 ; the late W. H. Collins reported one specimen 

 taken on Detroit River, and now in the collection of the Museum of Comparative 

 Zoology. Cambridge, Massachusetts. 



Family LARIDiE. Gulls and Terns. 



More common near the Great Lakes ; feed on fish and meat ; the larger gulls often 

 accompany vessels. 



Subfamily LARIN.^. Gulls. 



Gfnus RISSA Leaoh. 



15-4:0-( 782). Rissa t ridactyla (Linn.). Kittiwake; Kittiwake Gull. 



"Rare accidental visitor"' (Gibbs' Birds of Michigan); "rare at Mackinac Island" 



