68 PROCEEDINGS OP THE ACADEMY OP [1883. 



121. Dafila acuta. Pintail. 



122. Querquedula carolinensis. Green-winged Teal. 

 Migratory. 



123. Querquedula discors. Blue-winged Teal. 



More frequent than the last. 



124. Aix sponsa. Wood or Summer Duck. 



Summer resident ; breeds. 



125. Fuligula marila. Scaup Duck: Black-head. 



Migratory ; usuall}^ abundant. 



126. Fuligula ferina americana. Red-head: Pochard. 

 Probably migratory. 



127. Clangula albeola. Buffle-head Duck ; Butter-ball. 



Migratory ; common. 



128. Harelda glacialis. Long-tailed Duck. 



On J^ebruary 5, 1881, Mr. Harry Chambers shot a male of this 

 species, on the creek at Latrobe. It is tlie only instance of the 

 occurrence of this maritime duck so far inland, so far as I am 

 aware. 



129. Erismatura rubida. Ruddy Duck. 

 Migratory ; abundant in spring. 



l.SO. Mergus merganser. Goosander; Fish Duck, 



Regularly migratory. 



131. Mergus serrator. Red-breasted Merganser, 



Migratory, occasional, 



132. Mergus cucullatas. Hooded Merganser. 



Irregularly migratory. 



LARID^. 



133. Larus delawarensis. Ring-billed Gull. 



I have a specimen, shot on the Loyalhanna Creek, May 7, 1881. 

 Other species of gulls doubtless visit our streams during migration. 



COLYMBID^. 



134. Colymbus torquatus. Loon ; Gt. Northern Diver. 

 Migratory ; a few are shot every season by the gunners. 



PODICIPIDJE. 



135. Fodicipes cornutus. Horned Grebe. 



Rare ; Mr. Harry Chambers gave me a specimen which he shot 

 on the Loyalhanna Creek. This is the only instance of its occur- 

 rence that I can cite. 



136. Fodilymbas podicipes. Pied-billed Grebe; "Dipper." 



Resident ; well known to gunners everywhere. 



