Apparatus and Lantern-Slides 
for the 
FIELD-NATURALIST AND MICROSCOPIST 
CATALOGUES POST FREE ON REQUEST 
“C” — Apparatus for Field-Work. “BX” — Microscopical. Equipment. 
“E” — Lantern Slides. 
Flatters & Garnett, Ltd., 
309 OXFORD ROAD, MANCHESTER. 
WALKS AND TALKS ON THE NORTH 
YORKSHIRE COAST AND MOORS. 
By W. RIDLEY -MAKEPEACE 
128 pages, F'cap 8vo, stiff Boards, rounded corners, three-colour design 
on front cover, profusely illustrated, and with folding map of the district. 
1 1 * net. 
A little book of exceptional interest to walkers and tourists. In his description of eleven 
moorland and coastal walks the author not only tells' his readers when to turn right, when 
left, and where to start and finish, but all sorts of interesting ancient and modern historical 
details about the country traversed. 
Obtainable from all Booksellers. 
London : A. BROWN & SONS, Ltd., 5 Farringdon Avenue E.C.4. 
THE BIRDS OF YORKSHIRE 
By T. H. NELSON, M.B.O.U., 
With the co-operation of W. Eagle Clarke, F.R.S.E., and F. Boyes, 
Two volumes. Demy 8vo, 901 pages, including over 200 
Illustrations, beautifully printed in double tone ink, from photo- 
graphs by R. Fortune, F.Z.S., and other well-known naturalist 
photographers, also three-colour plates, including specially designed 
title pages. Cloth boards, 17/6 net, post free, 18/3. 
London : A. BROWN & SONS, Ltd., 5 Farringdon Avenue, E.C. 4. 
And at Hull. 
BRITISH BIRDS 
AN ILLUSTRATED MONTHLY MAGAZINE 
Edited by H. F. WITHERBY, m.b.e., f.z.s., m.b.o.u., h.f.a.o.u. ; 
Assisted by Rev. F. C. R. JOURDAIN, m.a., m.b.o.u., h.f.a.o.u., f.z.s., and 
N. F. TICEHURST, o.b e., m a., f.r.c.s., m.b.o.u. 
A complete current History of British Birds 
ARTICLES NOTES 
CORRESPONDENCE REVIEWS 
Beautifully illustrated with ‘Photographic and other Plates 
ANNUAL SUBSCRIPTION, 20/- POST FREE; MONTHLY, 1/9 NET. 
Specimen Plates with List of Contents post free. 
London: H. F. & G. WITHERBY, 326, High Holborn 
Printed by A. Brown & Sons, Ltd., Perth Street West, Hull, and published by 
A. Brown & Sons, Ltd., at 5 Farringdon Avenue, in the City of London. 
April, 1933. 
