PLATE XLV. 



Jr. Z>. Lalimer, Photo.] 



Fig. 1. 



KITTIWAKE GULLS AND YOUNG. 

 Specimens collected and mounted by the late Mr. E. Williams. 



W Latimer, Photo.] 



Fig. 2. 



GREAT BLACK-BACKED GULL. 

 Specimen mounted by the late Mr. E. Williams. 



