BRITBttDIRDS 



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



assisted by 



Rev. F. C. E,, Jourdain, m.a., m.b.o.u,, and Norman F. 



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



Contents of Number 11, Vol. IV. April 1, 1911. 



PAGE 



On the Plumage of the Nestling Barn-Ow], by W. P. Pyeraft, 



A.L.S., M.B.O-.U. .. .. .. .. .. 322 



The 1909 Irruption of the Crossbill as Observed in the British 



Isles, by H. F. Witherby and C. J-. Alexander . . . . 326. 



The Crossbill as a British Bird, by H. F. Witherby . . 332, 



Notes : - 



Recovery of Marked Birds . . . . . . 335- 



Black Redstart in Essex (Walter B. Nichols) . . . . 336 



Continental Goldcrests in Kent, Sussex, and Hanijjshire 



(N. F. Ticehurst) . . . . . . . . 337 



Willow-Tit in Lancashire (T. A. Coward) . . . . 337 



Great Grey Shrike in Sussex (H. W. Ford-Lindsay) . . 337 



The British Great Spotted Woodpecker (Claud B. Ticehiu'st) 337 



Hoopoe in Cheshire in Winter (Richard E. Knowles) . . 338 



The Diurnal Flight of the Barn-Owl (F. W. Smalley) . . 339 



Shag not Cormorant in Bedfordshire (Harry Lewis) . . 339 



Long-tailed Duck in Kent (H. W. Ford-Lindsay) . . 339 



Common Eider in Sussex (N. F. Ticehurst) . . . . 339 



Snipe Pursued by Falcons (J. M. Cliarlton) . . . . 340 



Early " Drumming " of Snipe (F. W Smalley, 

 Hugh S. Gladstone, Collingwood Ingram, M. Wiham 



Portman 340 



Extraordinary Nest-Building (John R B. Masefield) . . 341 



Sale of Gilbert White MSS 342; 



Short Notes : —Breeding-Habits of the Willow- Wren. Hen- 

 Harrier in Cheshire. Glossy Ibis in Yorkshire. 

 Changes of Plumage in the Red Grouse. Glaucous 



Gull in Carnarvonshire. . . . . . . . 342~ 



Review: — T/ie Terrestrial Mammals and Birds of North-east 



Greenland . . . . . . . • • • 354 



Letters :— The Movements of Young Rooks .. .. 347 



Willow-Tit or Marsh-Tit in Dumfriesshire . . 347 



A Baikal Teal in Devonshire . . . . . . 348- 



