256 CATALOGUE OP BIRDS 



Da/da acuta, (h.) Bon. Anas a., Aui. Sprigtail. Abnndant. Spring, aut. 

 Spatula clypeata, (L.) Boie. Anas c, And. Shoveller. Very rare. Spr. 



autumn. 

 Pterocyanea discors (L.) Bon. Ajias d. Aud. Blue wing-teal. Rather 



common in autumn, rare in spring. 

 Querqucdula caroJinensis, (Gm.) Bon. A7ias c, Aud. Green wing-teal. 



Common. Spring, autumn. 

 "fAix sponsa, (L.) Boie. Anas s., Aud. Summer duck. Abundant. Spring, 



autumn, rarer in summer. 

 Oidemia perspicillata, (L.) Flem. Fuligula p., Aud. Surf duck. Three 



shot, Oct. 1S4-5. 

 " fusca, (L.) Flem. Fuligula f., Aud. Velvet duck. Rare on Sus- 



quehannah in winter. 

 Aijlhya erythrocephala, Bon. Fuligula fcrina, Aud. Spring, aut. Rare. 

 " mariloides, (Vig.) Bon. Fuligula marila, Aud. Little blackhead. 



Abundant. Spring, autumn. 

 Fuligula collaris, (Don.) Bon. jP. rujitorques, Aud. Ring-neck duck. 



Rare. Spring, autumn. 

 Clangula amcricana, Bon. Fuligula clangula, Aud. Golden eye. 



Abundant. Winter. 

 " albeola, (L.) Jen. Fuligula a., Aud. Butter ball. Abundant. Wint. 

 Harclda glacialis, (L.) Leach. Fuligula g., Aud. South southerly. 



Very rare, spring. 

 Erismatura ruhida, (Wils.) Bon. Fuligula r., Aud. Ruddy duck. Rare. 



Spring, autumn. 

 'fMerganser castor, (L.) Bon. Mcrgus merganser, Aud. Fish duck. 



Abundant. Resident. Very rare in Summer. 

 " serrator, (L.) Leach. Mergus s., Aud. Red breasted merganser. 



One specimen procured. 

 I " cucullatus, (L.) Bon. Mergus c, Aud. Hooded merganser. 



Abundant. Resident. Much rarer in Summer. 

 Hydrochelidon fissipes, (L.) Bon. Sterna nigra, Aud. Black tern. One 



procured in autumn. 

 Xema lonaparlii, (Rich.) Bon. Lams I., Aud. Bonaparte's gull. Rare 



in autumn. 

 Lcslris j)omarinus, Temm. Pomarine jager. Adult procured on Susque- 



hannah in Summer. 

 Podilymbus carolincnsis, (Lath.) Less. Podiceps c, Aud. Diver. Ab. 



Spring, autumn. 

 Podiceps cornutus, (Gm.) Lath. Horned grebe. Very rare, spring, aut. 

 Cohjinbus glacialis, L. Loon. Rare. 



