Cover Illustration (S. Bayliss Smith)
Ruffs in aggressive display
Contents of Volume 13 (1970)
Editorial 4
Report of the Council for 1969 4
Treasurer's Report 10
Wicken Fen Committee Report for 1969 11
Cambridge Natural History Society Report for 1969 12
Field Meetings in 1969 13
Book Review (Ian Hepburn) 16
A Brief History of the Trust (Ian Hepburn) 18
The Ouse Washes (Michael J. Allen and Derek A. Wells) 21
Some Cambridgeshire Plant Galls (S. A. Manning) 24
Oxlips in Knapwell Wood Reserve (G. F. Peterken) 29
Note on a new Moss species (Ian Hepburn) 30
Vascular Plant Records for 1969 (Franklyn Perring) 30
Weather Notes for Cambridgeshire in 1969 (J. W. Clarke) 32
List of Additional Trust Members 34
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