Tas : 99 
IN ACER BS 
4 WEEKLY ILLUSTRATED JOURNAL OF SCIENCE. PRICE SIXPENCE. 
. ‘ NATUR * contains Original Articles on all subjects coming within the domain of Science, contrite 4 
bythe most eminent scientific writers of the day. It also contains Reviews of all recent scientific — 
__ « works ; Correspondence Columns, which form a medium of scientific discussion and of intercommunica- ~~ 
tion among men of Science ; Accounts of the leading Scientific Serials; Abstracts of the more valuable 
papers which appear in foreign journals ; Reports of the Proceedings of the Principal Scientific Societies 
and Academies of the World; and Notes on all matters of current scientific interest. oo 
SUBSCRIPTIONS TO “ NATURE.” 
Baie =. am See en, Sor 
ee AEN eS ee 
Sel A eRe [PARES 
& Sed. (To all places Abroad) £ s. ad. 
Yearly ... Ae te uy nae DPS etl: Yearly o., ry a: 1 Ce CE 1@ ss Gis 
Half-Yearly ... he es iG 0,14 6 Haif-Vearly 015 6 
Quarterly ae A .. © 7 6 | Quarterly 0 8 0 
Money Orders to Be made payable to MACMILLAN & co. ‘Ltd. 
ya 
oa 
Office: St Martin’s Street, Leicester Square, London. 
WNARGKAL:! SCLENCE REPRINE S, ee? 
NOW READY, a Limited Number of Reprints of the valuable series of Articles— ; fe 
AN INTRODUCTION TO THE STUDY OF 
ANTHROPOID APES 
By ARTHUR KEITH, M.D. 
With Preface and Corrections by the Author, and a Letter Jrom Dr A. B. Meyehas ; 4 
Forming an Octavo of 48 pages, same size as NATURAL SCIENCE, 77 stiff paper cover, 
PRICE TWO SHILLINGS NET. 
This forms a complete guide to the literature of the subject, with critical comments and suggestions for 4a" 
future investigators ; indispensable to students. 
Orders are now being received by 
J. M. DENT & Co., 67 St. James’s Street, London, s.W. oS 
J. M. DENT & CO. 
“THIS UNFAILINGLY INTERESTING VOLUME.” 
“MAPS AND ILLUSTRATIONS EXCELLENT.” 
THE FIRST CROSSING OF ; 
SPITSBERGEN. ‘3 
By Sir WILLIAM MARTIN CONWAY, M.A., F.S.A., © 
F-RiG.S. | 
With Contributions by J. W. GREGORY, D.Sc., A. TREVOR-BATTYE, 
and E. J. GARWOOD. 
Together with 8 Coloured Plates, reproduced in Facsimile from Sketches by 
H. E. Conway, 2 Maps, and about too Full-page and Text Illustrations 
from Photographs and Sketches. 
Medium Svo, 30s. net. 
“Sir Martin Conway is to be congratulated on a volume worthy to take its place by the side of his 
‘Climbing in the Karakoram Himalayas.’”—Sfandard. 
“Lovers of Arctic travel and adventure should make haste and read ‘ The First Crossing of Spitsbergen, ks 
by Sir William Martin Conway.”—Dazly Telegraph. 
nie 
owt 
General Catalogue sent on application. 
Aldine House, E.C., and 67 St. James's St.,jS. W. 
