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TWO NEW IDENTIFICATION GUIDES
Provisional Keys to British Plant Galls
Edited by F. B. Stubbs
Published by The British Plant Gall Society
£4.5D including postage
All orders and enquiries to:—
Mr. F. B. Stubbs
27 Annasgarth,
Harmby
Leyburn,
North Yorkshire,
DL8 5PJ.
This guide is the only one presently available
to help identify these organisms. It is based
on the plant the gall is formed on and is
illustrated with line drawings. Excellent
value for any naturalist.
Introduction to Freshwater Algae
by Allan Pentecost
Published by Richmond Publishing Co. Ltd.,
Orchard Road,
Richmond,
Surrey.
£11.95
A much needed set of keys to genera with
descriptions of common species and good line
illustrations. An essential aid to any owner
of a microscope who wishes to gain an insight
into a much neglected group.
TONY BONIFACE