WATKINS & DONCASTER 
NATURALISTS, 
36. STRAND. LONDON. W.C.2 
(Five Doors from Charing Cross), 
Keep in stock every description of 
APPARATUS, CABINETS, BOOKS, AND SPECIMENS 
for Collectors of 
BIRDS’ EGGS, BUTTERFLIES, MOTHS, ETC. 
Catalogue (96 pages) sent post free on application. 
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PRINTING 
With something “ bookish ” about it 
WRITE TO 
A. BROWN & SONS, LIMITED 
40 George Street Hull 
Telephone: Central 6605 Telegrams : “Brown, Hull” 
Issued Monthly, illustrated with Plates and Text Figures. 
To Subscribers, 15/ - per annum, post free. 
The Scottish Naturalist 
.With which is incorporated “ The Annals of. Scottish Natural History.” 
A Monthly Magazine devoted to Zoology. 
Edited by James Ritchie, M.A., D.Sc., F.R.S.E., Keeper Natural History 
Dept. Royal Scottish Museum ; William Evans, F.R.S.E., Member of the 
British Ornithologists' Union ; and Percy H. Grimshaw, F.R.S.E., F.E.S., 
Assistant-Keeper , Natural History Dept., Royal Scottish Museum. Assisted by 
Evelyn V . Baxter, H.M.B.O.U. ; Leonora J. Rintoul, H.M.B.O.U. ; Hugh S. 
Gladstone, M.A., F.R.S.E., F.Z.S. W. Eagle Clarke, I.S.O., LL.D. 
EDINBURGH— OLIVER & BOYD, TWEEDALE COURT. 
LONDON— GURNEY & JACKSON, 33, PATERNOSTER ROW. 
