BIRDS 228 



nesting, one nest contained young newly hatched, 

 Reindeer Lake, July 12. Observed lower reaches 

 Cochrane River, July 18, 21 ; west of Cochrane 

 River, July 24 ; Cochrane River, July 25, 

 26, 28, 30, 31 ; Du Brochet Lake, August 

 1, 5, 6 ; north end Du Brochet Lake, August 

 10 ; Cochrane River, on return journey, 

 August 14, 15. 



SHORT-BILLED GULL (Larus brachyrhynchus). 

 An adult female taken on Reindeer Lake, July 9, 

 one more seen on same date ; this is very far 

 east for this gull. " Iris clear blackish-grey ; 

 edge of eyelid surrounding eye deep orange- 

 chrome ; corners of mouth pure orange-chrome ; 

 bill evenly coloured dead yellow ; feet pale 

 whitish-yellow." Dr. Oberholser regards this 

 gull as a subspecies of Larus canus. 1 



RING-BILLED GULL (Larus delawarensis). A 

 male taken on lie a la Crosse Lake, May 23 ; 

 adult except for the black primaries and terminal 

 band of the tail ; probably a non-breeding bird. 

 " Bill medium dark greenish-yellow, with strong 

 black ring around bill a short distance from tip ; 

 eyelids, and corners of mouth, deep orange- 

 chrome ; feet pale greenish-yellow." Seventeen 

 others seen with this bird. 



An occasional Ring-billed Gull observed Ile- 

 a la Crosse Lake, May 25. 



BONAPARTE'S GULL (Larus Philadelphia). Four 

 specimens, an adult male (thought by the col- 

 lector to be a non-breeding bird), taken on the 

 Cochrane River, July 20. " Iris dark ; bill 

 black ; legs and feet, orange-chrome." An adult 



1 Auk, xxxvi, 1919, pp. 83-4. 



