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So ne ‘Geographical Fabtors 
in the Great War - 
By T. HERDMAN, 
DSc. F.G.S, 
(Lecturer in Geography, Municipal Training College, Hull). 
72 pages, crown Svo, with 6 Maps, sewn in 
stout printed cover, od. net, post free rod. net. 
A feature of vast importance in the titanic struggle now taking 
place is the geographical condition of the various countries. In 
‘* Some Geographical Factors ”’ 
the author provides much interesting 
information which helps his readers to a wider understanding of an 
important aspect of the present campaign. 
on ‘‘ The Problems of Nationality ” 
The concluding chapter 
affords a glimpse of the immense 
difficulties that face those statesmen to whose heads and hands will 
be committed the adjustment of the new boundaries. 
The ‘‘ Literary World”’ 
says ‘—‘* Those who would follow intelligently 
the movements in this world contest will find much help in this little 
handbook. Mr. Herdman’'s 
exposition of the part played in the war 
by the great land-gates and the seas is clear and informing, and is 
followed by some sound reasoning on the commercial war and the 
problems of nationality.” » 
LONDON: 
x 
A. BROWN & SONS, ee 5, FARRINGDON AVENUE, E.C, 
AND AT HULL AND YORK. 
WATKINS & 
DON CASTER 
NATURALISTS, 
36, STRAND, LONDON, w.c. 
(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, 
lssued Monthly, illustrated with Plates and Text Figures 
To Subscribers, 6s. per annum; Post Free, 6s. 6d. 
The Scottish Naturalist 
with which is incorporated 
**The Annals of Scottish Natural History ’’ 
A Monthly Magazine devoted to Zoology 
Edited by William Eagle Clarke, F.R.S.E., 
F.L.S., 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 Deft., Royal Scottish 
Museum. Assisted by J. A. Harvie-Brown, 
F.R.S.E.,F.Z.S. ; Evelyn V.Baxter, H.M.B.O.U.; 
Leonora i> Rintoul, H.M.B.O.U.; ‘Hugh S. Glad- 
stone, M.A., F.R. S. E., F.Z.S.; James Ritchie, 
M.A.,D.Sc. A. Landsborough Tt ompson, M.A., 
M.B.0.U. 
- Edinburgh: OLIVER & BOYD, Tweedale Court 
_ Lond.: GURNEY & JACKSON 33 Paternoster Row 
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THE ENTOMOLOGIST’S MONTHLY © 
MAGAZINE. 
PRICE SIXPENCE MONTHLY. 
Edited by G. C. Champion, F.Z.S., J. E. Collin, 
oe G. T. Porritt, F.L.S., R. W. Lloyd, 
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7 
This Magazine, commenced in 1864, contains 
Standard Articles and Notes on all subjects 
connected with Entomology, and especially on 
the Insects of the British Isles. 
Subscription—6s. per annum, post free, 
GURNEY & JACKSON, 
7, Paternoster Row, 
London. 
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