CHECK LIST OF NEW YORK BIRDS 2.0J 



21 (51) Herring gull 1 



Larus argentatus Briinn. 



22 (51^) American herring gull 



Larus argentatus smithsonianus Coues 



23 (54) Ring-billed gull 



Larus delawarensis Ord 



24 (58) Laughing gull 



Larus atricilla Linn. 



1 Dr J. A. Allen writes me that this species Is occasional In winter lu Long Island sound and 

 adjacent waters, and that several specimens taken lu that locality and referable to this form have 

 come under his obsi rvation. 



