BRIMlDir\D5 



With WHICH was Incorporated in January, 191 7, "The Zoologist." 



EDITED BY H. F. WITHEKBY, M.B.E.,F.Z.S., M.B.O.U. 



assisted by 



Rev. F. C. R. Jourdain, m.a., m.b.o.u., and Norma 

 ticehurst, m.a., f.r.c.s., m.b.o.u. 



MAY lo lS2v 



-^Ual Musfli 



Contents of Number 12, Vol. XIII. May i, 1920. 



The Common Gull Breeding on Dungeness Beach. By N. F. 



Ticehurst, m.b., F.R.c.s.Eng. .. .. .. .. .. 302^ 



On Some Results of Ringing Certain Species of Birds. By 



H. F. Witherby . . . . . . . . . . . . . . 307 



Notes : — 



Siskins in Devonshire (T. P. Backhouse) .. .. .. 313 



Lapland Buntings in Northumberland (S. Gordon and 



Mrs. C. Hodgkin) .. .. .. .. •• •■ 3^3 



Breeding of Dipper in Wiltshire (D. W. Musselwhite) .. 314 



Hobby, not Red-footed Falcon in Norfolk (J. H. Gurney) .. 314 



Hen-Harrier in Berkshire (Rev. F. C. R. Jourdain) .. .. 314 



Rough-legged Buzzard in Devon (W. W. White) .. .. 314 



Periods of Dives in relation to Depth of Water (J. M. Dewar) 315 



Short Note: — Black-tailed God wit in Forfarshire .. .. 316 



Letter : — American Wigeon in StirHngshire and Fifeshire (M. 

 Portal) 



316 



