The Scottish Naturahst 



A Magazine devoted to Zoology 



With which is incorporated 



"The Annals of Scottish Natural History" 



EDITED BY 



WILLIAM EAGLE CLARKE, I.S.O., LL. D., FR.S.E., Etc. 



Keeper, Natural Historij Department, Royal Scottish Museum 

 President, British Ornithologists' Union 



WILLIAM EVANS, F.R.S.E., Etc.. 



/; 



Member of the British Ornithologists' Union 





PERCY H. GRIMSHAW, F.R.S.E., bElfeJ ^ R A R Y 



Assistant-Keeper, Natural History Department, Royal Scottish Mtitl^\ '^'^^^ 



ASSISTED BY 



EVELYN V. BAXTER, F.Z.S., H.M.B.O.U. 

 LEONORA J. RINTOUL, F.Z.S., H.M.B.O.U. 

 H. S. GLADSTONE, M.A., F.R.S.E., F.Z.S. 



JAMES RITCHIE, M.A., D.Sc. 

 A. LANDSBOROUGH THOMSON, M.A., 

 M.B.O.U. 



ANDERSON FERGUSSON, F.E.S. 



1920 



EDINBURGH : OLIVER & BOYD, Tweeddale Court 

 LONDON : GURNEY & JACKSON, 33 Paternoster Row 



1920 



