CAMBRIDGE MANUALS 



A series of small volumes on Literary and Scientific subjects dealing 

 with various aspects of thought, and with the results of recent discoveries, 

 in a form acceptable to educated readers in general. 



Editors : P. Giles, Litt.D., Master of Emmanuel College, and 

 A. C. Seward, M.A., F.R.S., Professor of Botany in 

 the University of Cambridge. 



Price Is net, each volimie hound in cloth 

 Bound in lambskin 2s 6 d net 



TEN NEW VOLUMES 

 Spiders. By C. Warburton, M.A. 



Rocks and their Origin. By Professor G. A. J. Cole. 

 The Origin of Earthquakes. By C. Davison, Sc.D., F.G.S. 

 Life in the Medieval University. By E. S. Rait, M.A. 

 The Troubadours. By Rev. H. J. Chaytor, M.A. 

 The Ballad in Literature. By T. F. Henderson. 



Goethe and the Twentieth Century. By Professor J. G. Robertson, M.A., 

 Pli.D. 



Ancient Assyria. By Rev. C. H. W. Johns, Litt.D. 



A History of Civilization in Palestine. By Professor R. A. S. Macalister, 

 M.A., F.S.A. 



Methodism. By Rev. H. B. Workman, D.Lit. 



A prospectus, giving full particulars of the series with a list of the 

 volumes in preparation and specimen pages and illustrations, will be sent 

 on application. 



LONDON: CAJVIBEIDGE UNIVERSITY PRESS: FETTER LANE 



The Journal of Economic Biology 



Edited by WALTER E. COLLINGE, M.Sc, F.L.S., F.E.S., with the co-operation 

 of Prof. A. H. REGINALD BULLER, D.Sc, Ph.D.; Prof. GEO. H. 

 CARPENTER, B.Sc, M.RJ.A.; Prof. PERCY GROOM, M.A. (Cantab. & 

 Oxon.), D.Sc, F.L.S.; Prof. ROBERT NEWSTEAD, M.Sc, A.L.S.; and 

 A. E. SHIPLEY, M.A., Hon. D.Sc, F.R.S. 



Contains articles treating of all branches of Economic Biology, Entomology, Parasitology, 

 Mycology, etc. Fully illustrated by lithographic plates and text figures. A few sets of Vols. 1-6 

 still remain, price 21s. each. Volume 7, now in course of publication, will consist of four parts, 

 price 16s. 



All editorial communications should be addressed to Walter E. Collinge, 

 59, Newhall Street, Birmingham, and all subscriptions to 



London: DULAU & CO., Ltd., 37, Soho Square, W. 



Berlin: R, FRIEDLANDER & SOHN. 



