WATKINS & DONCASTER 
NATURALISTS, 
36, STRAND, LONDON, W.G.2 
(Five doors from Charing Cross), 
P.O. Box 126 Telephone: Temple Bar 9451. 
Keep in stock every description of 
APPARATUS, CABINETS, BOOKS & SPECIMENS 
for Collectors of 
BIRDS’ EGGS, BUTTERFLIES, MOTHS, Etc. 
Catalogue (96 pages) sent post free on application. 
Issued bi-monthly, Illustrated with Plates and Text Figures. 
To Subscribers, 12s. 6d. post free. 
The Scottish Naturalist 
With which is incorporated ‘The Annals of Scottish Natural History’ 
EDITED BY 
PERCY H. GRIMSHAW, F.R.S.E., F.E.S. 
Keeper, Natural History Department, Royal Scottish Museum 
AND 
JAMES RITCHIE, M.A., D.Sc., F.R.S.E. 
Regius Professor of Natural History, University of Aberdeen 
Assisted by:— EVELYN V. BAXTER f.z.s., h.m.b.o.u. ; LEONORA J. RINTOUL, f.z.s., h.m.b.o.u. ; 
H. S. GLADSTONE, m.a., f.r.s.e., f.z.s. ; W. EAGLE CLARKE, i.s.o., ll.d. ; ANDERSON 
FERGUSSON, f.e.s. ; A. C. STEPHEN, b.sc., f.r.s.e. 
Subscriptions should be addressed to the Publishers, 
Messrs. OLIVER & BOYD, LTD., Tweeddale Court, Edinburgh. 
Storeboxes for collections. 16x11x2! TV- 
lined cork two sides, polished. Best make each 
Life Histories of British Insects. Honey 
Bee, Silk Moth, Butterflies and Economic 8/f> 
species. Well mounted in cases 9x7x2 each 
W. H. JANSON & SON, Natural 
44 Gt. Russell Str 
Polyporus strips for mounting Diptera, X/- 
Hymenoptera and other small insects box 
British Coleoptera, Diptera, Lepidoptera, etc., 
supplied. Large and interesting forms of exotic, 
Coleoptera, Lepidoptera, Spiders, Scorpions etc., 
for exhibition. List sent free. 
History Specimens and Apparatus, 
, London, W.G.l. 
BINDING “ THE NATURALIST 
Volumes of THE NATURALIST for 
any year can be bound in a serviceable 
and attractive Cloth Case, dark blue 
and gilt lettered on back and side. Price 
4/- per volume, or post free 4/6. 
A. RROWN & SONS, LIMITED 
40 GEORGE STREET. HULL 
THE CITY AND PORT OF HULL 
Royal 8Vo. Contains 120 pages of text matter, profusely illustrated, in 
stout cover with attractive, coloured design. 1/- net, post free 1/6. 
Tells what ought to be known of Hull’s important commercial, industrial, 
municipal and shipping activities, and is also informative of the City’s many 
historical, religious and social interests. Contains New Plan of Hull. 
A. BROWN & SONS, LTD., SAVILE STREET, HULL. 
