CONTENTS 
Editorial Notes . 
The Walrus in British Waters—/ames Ritchie, M.A., D.Sc., 
ARS LE. 
Bird- Associations in Scotland — The Jate ret ve Ee 
Brock, M.C. 
The Need for a Bird Census — Walter EL. Cube IDS as. 
DROS PURSE OR OL 
Additions to the Coleoptera of the Clyde Area ee £. 
Murphy and Thos. H. M. Gordon ; 
Notes: 
Late Breeding of Red Squirrel—Aruce Campbell, 3; Fulmar 
Petrel at Troup Head—Augh Trail, 4; Black-tailed God- 
wit in Kirkcudbrightshire—Hugh S. Gladstone, 4; White- 
fronted Goose and Leach’s Fork-tailed Petrel in Renfrew- 
shire—Thomas Malloch, 4; Glossy Ibises in Scotland in 
1920—T7. Edmondsion Saxby and James F. Lumsden, 10; 
Ravens in North Uist—George Beveridge, 10 ; Green Sand- 
piper in Berwickshire—7. G. Laidlaw, 10; Blackcap 
Warbler at Kilmacolm—Z. Thornton Mackeith, 21; The 
Palmated Newt in Argyllshire—Wm. Evans, 21 ; Swallow 
Fly, Stenopteryx hirundinis, L., in the Morningside suburb 
of Edinburgh—Wm. Evans, 21; Gadwall in Berwick- 
shire—7. G. Laidlaw, 24; Late Nesting of Mallard— 
Hugh S. Gladstone, 24. 
Current Literature : : ts : : 5 
Book Notices : 
Types and Breeds of Farm sre eee Charles S. 
Plumb . i 
Territory in Bird Life—Z. “Eliot jet 
Keys to the Orders of Insects—Frank Balfour Sree M, Ae 
TER Sees : ; : : ; 
Notes from the Scottish Zoological Park : : 
PUBLISHERS’ NOTE. 
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should be addressed to the Publishers, Oliver and Boyd, Tweeddale Court, 
Edinburgh. 
COVERS FOR BINDING “THE SCOTTISH NATURALIST.” 
Special Cloth Cases for Binding the 1920 Volume can be supplied at 1s, 6d. 
each (by post ts. 10d.), by Oliver and Boyd, Tweeddale Court, Edinburgh. 
PRINTED BY OLIVER AND BOYD, EDINBURGH. 
