248 
Larus marinus. 
1874. < 
NoVy, 20* Noar the mouth of Ipsv/ich River numbers of these 
Gulls, all immature birds were flying about. They vroro 
readily distingusihable from the Hep.i»i:Bg&Gttaiarfe4 Herring 
Gulls by their large size and the conspicuous black bar 
on the tail. They uttered a cry v^hich somewhat resem¬ 
bled that of the Red-tailed Hav/k and chased the Herring 
Gulls v/henever the latter secured food. 
Mar, i2(, Four received from Grand Menan, Easily skinnedj 
nnwtffijtt; in this respect differing from L, argent at us: 
skin covered wth a dense coat of dovm, almost as impene¬ 
trable as felt. 
1875* 
Nov, 22, Several at the mouth of Ipswich River. 
1876. 
May 6. Numerous at Chatham, Mass., all immature birds. 
