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LATEST IMPROVEMENT IN DUPLICATING APPARATUS. 

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" SCIENCE = GOSSIP " says : 



(MAY, '98, No ) 

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For printing Reports, Specifications, Price 

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THE JOURNAL OF MALACOLOGY. 



Established in 1890 as "The Conchologist, a Journal of 



Malacology." 



Edited by WALTER E. COLLINGE, F.Z.S., 



President of the Midland Malacological Society. 



With the co-ODeration of 



Dr. Josef F. Eabor, the Rev. A. H. Cooke, M.A., F.Z.S., Charles 



Hedley, F.L.S., E.R. Sykes, B.A., F.Z.S., B. B.Woodward, F.G.S. 



Indispensable to all Students of the JYIolIusca 



In addition to numerous papers on the anatomy and classification 



of the Mollusca, and on recent and fossil shells, it contains Reviews 



and Abstracts of all the important current publications. 



Fully Illustrated. Prepaid Subscription, 12s. per volume. 



All communications to 



W. E. COLLINGE, Mason University College, Birmingham. 



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Pianos Exchanged. 



CONTENTS 



1'AGE 



BUTTERFLY-COLLECTING IN CORSICA. By the 



Rev. H. C. Lang, M.D. Illustrated 321 



REARING SNAILS IN CAPTIVITY. By Eleonora 



Armitage.. .. .. .. .. .. .. .. 323 



DESM1DS. By Dr. G. H. Bryan, F.R.S. Illustrated .. 325 

 LIFE UNDER OTHER CONDITIONS. By Geoffrey 



Martin .. .. .. .. .. .. .. .. 326 



AN INTRODUCTION TO BRITISH SPIDERS. By 



Frank Percy Smith. Illustrated 328 



THE BALTIC AMBER MINES. By M. Lane .. 331 



BUTTERFLIES OF THE PALAEARCTIC REGION. 



By Henry Charles Lang, M.D. Illustrated.. .. 333 

 A HISTORY OF CHALK. By Edward A. Martin, 



F-G.S 336 



BRITISH FRESHWATER MITES. By Charles D. 



Soar, F.R.M.S. Illustrated , 37 



RADIOGRAPHY. By Tames Quick . . .. .. 330 



BOOKS TO READ— SCIENCE GOSSIP .. .. 340, 342 



IN MEMORIAM- METEOROLOGICAL .. .. .. 343 



MICROSCOPY-NOTES AND QUERIES.. .. 344, 347 



ASTRONOMY-PHYSICS ,48, ,40 



GEOLOGY- CORRESPONDENCE 350 ' 351 



EXCHANGES 



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All Advertisements to be sent to Science-Gossip Office, no 

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D^^ Special quotations for a series of insertions, any 

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