Fourth Sibiib. "1 

 Vol. XX, No. 239. / 



NOVEMBER 15th, 1016. 



No. 905. 



ZOOLOGIST 



KSTABLISHEO 1843. 



EDITED BY 



FRANK FINN, B.A., F.Z.S. 



LATK DEPUTY 8UPBRINTBNDENT, INDIAN MU8JIUM, CALCUTTA. 



CONTENTS. 



ARTICLES. rxam 



On the Sexual Origin of the Nidificatory, Incubatory, and Courting 

 Display Instincts in Birds : an Answer to Criticism. Edmund 

 Sei.ous 401 



Notes on Birds seen during the Gallipoli Campaign. D. A. J. Buxton 413 



The Status of the Black Redstart in England as a Breeding Species. 



Rev. F. C. R. JouRDAiN, M.A., M.B.O.U 417 



A Contribution to the Life-history of the Herring-Gull. Eric B, 



DuNLOP 422 



Ornithological Notes from South Mayo. Robert F. Ruttlkdgb ... 431 



NOTES AND QUERIES. 

 Mammalia. 



Rats and Eggs. A. H. Patterson 435 



Do Rats Eat the E^'gs of Poultry ? E. P. Butterfield 435 



Nesting of Rats and a Sequel. J. Steele Elliott ... 436 



Avea. 



Migration in Bedfordshire. J. Steele Ellioit 

 Stonechat near Wilsden, Yorks. E. P. Butterfield .. 

 House-Martins* Nests usurped by House- Sparrows. E. P. 

 House-Martins and Sparrows. A. H. Patterson 

 Swallows Building in Chimneys. A. H. Patterson 



Anthozoa. 



Sagartia parasitica Mounting on Solaster and Hyas, H 



NOTICES OF NEW BOOKS 



437 



437 



Butterfield 438 



438 



438 



N. MiLLIGAN 439 



440 



LONDON 



ADLARD & SON AND WEST NEWMAN, 



BARTHOLOMEW CLOSE. 



PUBLISHED MONTHLY. 



PRICE ONE SHILLING. 



