18 
BULLETIN" 292, U. S. DEPARTMENT OF AGRICULTURE. 
N. Y., April 10, 1881 (Bruce) ; Auburn, N. Y., January 4, 1854 (Hop- 
kins); Oneida Lake, N. Y., November 9, 1890 (Bagg); Lancaster, 
Pa., once, winter (Warren); Erie, Pa., October 17, 1900 (Todd); To- 
ronto, Ontario, one, October 31, 1899, and several in November of that 
year (Fleming); Chicago, 111., December 9, 1896 (Woodruff); Neebish 
Island, Mich., once, taken in fall (Boies) — in fact, it is probable that 
B2057-5 
Fig. 6. — Kittiwake (Bissa tridactyla). Typical subspecies (tridaetyla) ranges west to the Kocky Moun- 
tains; Pacific subspecies (pollicaris) is found on the western and northwestern coasts. 
each fall and winter finds some individuals around the Great Lakes; 
near Kansas City, Mo., once, in 1897 (Widmann); Arctic Red River, 
Mackenzie, October 5, 1910 (Thayer); Fort Simpson, Mackenzie, May 
15, 1860 (Ross); Douglas, Wyo., November 18, 1898 (Jesurun); and 
Boulder, Colo., one in December (Ridgway). 
Spring migration. — Just north of the winter home, the first kitti- 
wakes arrived at North River, Prince Edward Island, on the average, 
