20 ROCHESTER ACADEMY OF SCIENCE. 



120. Phalacrocorax dilophus (Swain.) Double-crested cormo- 

 rant. 



Transient visitant ; uncommon. Aug. 14 Nov. 30. Has been 

 taken near -Buffalo, Branchport, Syracuse and Naples. Last record, 

 Canandaigua, Nov. 7, 1899. 



Family PELECANIDAE. Pelicans. 



125. Pelecanus erythrorhynchos Gmel. American white peli- 

 can. 



Transient visitant ; very rare. Buffalo, Oct. 5, 1894 Auk 12, 

 3 i 3- 



Order ANSERES. Lamellirostral swimmers. 



Family AN ATI DAE. Ducks, geese and swans. 



129. Merganser americanus (Cass.) American merganser. 

 Winter visitant ; common. Oct. 20 Apr. 20. Occasional 



summer resident. Found on lakes and rivers. Breeds near Buffalo, 

 nest in hollow tree Ottomar Reinecke ; also at " Blind Sodus Bay" 

 Aub. p. 40. 



130. Merganser serrator (Linn.) Red-breasted merganser. 

 Winter visitant : fairly common. Common transient visitant. 



Oct. 10 Apr. 30. Found on lakes and ponds. 



131. Lophodytes cucullatus (Linn.) Hooded merganser. 

 Transient visitant ; fairly common. March 20 May i ; Oct. 15 



Nov. 25. Occasional summer resident. Rare in winter. Found 

 along swampy streams, ponds and bays. 



132. Anas boschas Linn. Mallard. 



Transient visitant ; fairly common. March 15 April 30 ; Oct. I 

 Nov. 20. Occasionally met with both in summer and midwinter. 

 Found along swamps, streams and lakes. Often alights in dry fields 

 and oak groves to feed. Breeds, West Barre, May 10, 1899 James 

 Savage. 



133. Anas obscura Gmel. Black duck. 



Transient visitant ; common. Winter visitant ; fairly common. 

 Summer resident ; occasional. By far the commonest of the river 

 ducks on Canandaigua Lake, remaining in considerable numbers 

 through the coldest weather. Breeds in Tonawanda Swamp, Monte- 

 zuma Marshes, West Barre and Niagara River. 



