■'^"•S-J GIBBS ON THE BIRDS OF MICHIGAN. 495 



^ SoMATBEiA MOLLissiMA (varJ). Eider Duck. — Occasionally seen on 

 Lake Superior. 



CEdemia ameeicana. American Blaclc Scoter. — Eare accidental vis^ 

 itor. 

 / CEdemia FirscA. Velvet Scoter. — Migrant; one taken. 



HisTBioNicus TOEQUATUS. Harlequin Buclc. — Given as a " winter 

 \asitant to Lake Michigan," on the authority of Dr. Velie, in Eidgway's 

 " Catalogue of the Birds ascertained to occur in lUinois." 



Eeismattjea eubida. Ruddy Duch. — Exceedingly common during 

 spring and fall. 



7 MeeGtUS MEEGrANSEE. Goosander. — Common during the migrations ; 

 some pass the summer in the northern part of the lower peninsula, 

 according to C. W. Gunn. 

 :' Meegus SBEEATOE. Bed-breasted Merganser. — Eather rare; transient. 



Meegus cucullatus. Hooded Merganser. — Abundant migrant. 



SULID^. 



SuLA BASSANA. Common Oannet. — Occasionally taken on the great 

 lakes. 



PELECANID^. 



Pelecanus TEACHYEHYNCHUS. AmerieanWUte Pelican. — Two spec- 

 imens shot in St. Joseph County, and now in the collection of Mr. 

 Adolph Beerstecher. 



GEACULID^. 



■' ? Geaculus caebo. Common Cormorant. — An occasional visitor. 



Geaculus dilophus. Double-crested Cormorant. — Migrant; common 



at times. 



LAEID^. 



/ Laeus glaucus. Ice Gull. — Occasionally taken. 



Laexjs AEGENTATtrs. Herring Gull. — ^Very common migrant ; prob- 

 ably breeds in northern peninsula. 



Laeus maeinus. Black-hacked Gull. — "Winter visitant on Lake Mich- 

 igan " (Dr. Yelie), Eidgway's List of Birds of Illinois, 1874. 

 ' Laeits delawaebnsis. Eing-hilled Gull. — Common migrant. 

 * Laetjs teidactyltjs. Kittiwake Gull. — Eare accidental visitor. 

 . 'i Laetjs ateicilla. Laughing Gull. — Very abundant on the great 

 lakes; probably breeds in the northern peninsula. 

 ^' Laetjs feanklini. Franklin's Rosy Gull. — Not rare on Lake Mich- 

 igan during winter and spring. 



' Laetjs Philadelphia. Bonaparte's Gull. — Eather common during 

 spring ; some remain during the summer months. 

 ^- Stbena caspia. Caspian Tern. — ^Eare accidental visitor; occasion- 

 ally taken on Lake Michigan in winter. 



J! Steena eegia. Royal Tern. — Eare summer visitant; occasionally 

 taken on Lake Michigan during late spring. 



