20 ROCHESTER ACAUEMY OF SCIENCE. 



1 20. 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 ; \'ery rare. Buffalo, Oct. 5, 1894 — Auk 12, 



Order ANSERES. LamcUirostral S7i'i)iii)/(rs. 

 Family ANATIDAE. DucA's, geese and szi'a/is. 



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. 1 

 — 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. 



