18 



BULLETIN 292, U. S. DEPARTMENT OE 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 



a BREEDING 



O OCCURRENCE IN SUMMER 



+ WINTERING 



•$■ OCCURRENCE IN WINTER 



Fig. 6. — Kittiwake (Rissa Iridactyla). Typical subspecies (Iridactyla) ranges west, to the Rocky Moun- 

 tains; Pacific subspecies (pollicaris) is found on tho 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 IS, 1898 (Jesurun); and 

 Boulder, Colo., one in December (Ridgway). 



Spring migration. — Just north of the winter homo, the first kitti- 

 wakes arrived at North River, Prince Edward Island, on the average, 



