Annotated List AS 8 
18. Laphodytes cucullatus Hooded Merganser, 
“fish duck,” “hairyhead,” “sawbill.” In Barnard’s 
time this species was found frequently, but it is now 
a rather rare transient, or possibly winter visitant. 
Dr. Warren has the following records: Nov. 23, 
Tools’ Apr.,)3) 1804; Mar. 26). 1887+ June’23; 
1890 (Bds. Pa., 1890, 35). Three specimens were 
shot at Cupola, Dec. 12, 1913, and two brought to 
me but I failed to preserve them. 
19. Anas platyrhynchos Mallard, ‘“‘greenhead,” 
“wild duck.” A not common transient, but has 
recently been successfully introduced in the Chester 
valley as a resident. In Audubon’s time it bred in 
the beautiful meadows that here and there border 
the Schuylkill (Orn. Biog.). Dr. Warren states 
that it has been taken by H. B. Graves, and Pen- 
nock considered it as not very common. In the 
vicinity of Berwyn, in Chester valley; three were 
seen Apr. 13-15, 1900, and about 100 in flocks, Mar. 
I, 1902. ‘This species was introduced on the East 
Valley creek seven or eight years ago by Richard 
Houghton; the eggs coming from Chincoteage is- 
land, Md., and now breeds freely for miles up and 
down the creek, in April and May. 
20. Anas rubripes tristis Black Duck, ‘“‘black mal- 
lard,” ‘dusky duck,” “wild duck.” Not common 
transient and rare resident. It is listed by Barnard, 
Michener, Warren and Pennock. A flock of six 
was seen near Berwyn, in the Chester valley, Nov. 
14, 1893. About 1907 there were reports of it being 
found resident along the East Valley creek, and 
in the spring a hybrid family of five was raised on a 
