The Scottish Naturalist 



A Magazine devoted to Zoology 



With which is incorporated 



" The Annals of Scottish Natural History/ 



EDITED BY 



JAMES RITCHIE, M.A., D.Sc, F.R.S.:^\ , _^ ■ ^^ 



Keeper, Natural History Department, Royal Scottish Museum •;'^- V "*a>^ ,*' /^^ / 



JujH B R A R Yi 



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



JVLember of the British Ornitholoo-ists' Union 



PERCY H. GRIMSHAW, F.R.S.E., F.E.S. 



Assistant-Keeper, Natural History Department, Royal Scottish Museum 



ASSISTED BY 



EVELYN V. BAXTER, F.Z.S., H.M.B.O.U. I W. EAGLE CLARKE, I.S.O., LL.D. 



LEONORA J. RINTOUL, F.Z.S., H.M.B.O.U. | ANDERSON FERGUSSON, F.E.S. 

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





1922 



EDINBURGH : OLIVER & BOYD, Tweeddale Court 

 LONDON : GURNEY & JACKSON, zz Paternoster Row 



1922 



