SCIENCE- GOSSIP. 



The automatic CYCLOSTYLE. 



THE LATEST IMPROVEMENT IN DUPLICATING APPARATUS. 



FUKTHER IMPROVEMEISTTS JUST MADE. 



Editor of 



'* We can 

 Secretaries of 

 paring manitold 



*' SCIENCE-GOSSIP " says : 



(MAY, '98, No ) 

 well recommend this Machine to 

 Scientific Societies and others for pre- 

 copies of notices or other documents." 



For printing Reports, Specifications, Price 

 Lists, &c., it is invaluable and soon 

 repays its cost. 



No. 2 Model (as figured), printing 10 copies per 

 minute faster than the ordinary pattern, and with 

 shorter turn to handle, F'cap, £6, complete for 

 typewriting. 



m^m^ Send for full (illustrated) 

 ^^^ particulars post free. 



WITH COMPLETE OUTFIT FOR 

 BEFRODUCING HANDWRITING. 



Octavo size, £3 lOSm; 



Quarto size, £A tSSm ; 



Foolscap size, £5m 



Extras for Reprcducing Typewriting: 

 Octavo size, lOSm 6tlm / 

 Quarto size, llSm 6tt. ; 



Foolscap size, 12Sm 6«. ! 



Fitted with Unmeltable Rollers for Flot 



Climates, £1 fsm extra, any size up 



to Foolscap. 



To those requiring a cheaper process, 



less easy of manipulation, the following 



is suitable : — 



THE "NEOCYCLOSTYLE" 

 HANDROLLER PROCESS. 



Prices from 23Sm 



Unmeltable Rollers for Hot Climates 



supplied at an extra cost. 



THE CYCLOSTYLE CO. 



34 SWOAV HILL, 

 , LOWDOKT, E.G. 



:birk:b£:ck: 



tRJUfJ^. 



SoutbamptOD Buildings, Chancery Lane, W.C. 



TWO-AND-A-HALF per Cent. INTEREST allowed on Deposits 

 repayable on demand. TWO per Cent, on CURRENT AC- 

 COUNTS on the minimum monthly balances, when not drawn 

 below £100. STOCKS and SHARES purchased and sold. 

 SAVINGS DEPARTMENT. 



For the encouragement of Thrift the Bank receives small sums 

 on deposit, and allows Interest monthly on each comnleted £1. 



BIRKBECK BUILDING SOCIETY". 



How to PURCHASE A HOUSE for Two Guineas per IMonth. 

 BIRKBECK FREEHOLD LAND SOCIETY. 



How to PURCHASE A PLOT OF LAND for 5S. per month. 



The BIRKBECK ALMANACK, with full particulars, post free. 



Established 1851. FRANCIS RAVENSCROFT, il/<i«a^-(?r. 



BORD'S 



PIANOS 



25 per Cent. Discount for Cash, or 148. 6<1. Per Month 

 (Second-Hand, 10s. 6(3. Per Month), on the Three Years' Hire 

 System. Illustrated Lists free, of CHAS. STYLES & CO., 

 40 and 42, Southampton Eovr, London, "W.C. 



Pianos Exchanged. 



CONTENTS 



PAGE 



PHRYGIA AND AN EARTHQUAKE. By J. Bliss. 



lUitsiratcd . . . . . . . . . . . . . . 289 



LIFE UNDER OTHER CONDITIONS. By Geoffrey 



Martin .. .. .. .. .. .. .. .. 291 



THE PTILINUM OF DIPTERA. By W. Wesche. 



llhistrated . . . . . . . . . . . . . . 294 



NOTES ON WOODLICE. By Wilfred Mark Webb, 



F.L.S 29s 



BUTTERFLIES OF THE PALAEARCTIC REGION. 



By Henbv Charles Lang, M.D. Illustrated.. .. 297 

 SOCIOLOGY AND SCIENCE OF BABYLON .. ..300 

 BRITISH FRESHWATER MITES. By Charles D. 



Soar, F.R.M.S. Illustrated 302 



RADIOGRAPHY. By James Quick. Illustrated .. 304 

 A HISTORY OF CHALK. By Edward A. Martin, 



F.G.S. Illustrated 306 



AN INTRODUCTION TO BRITISH SPIDERS. By 



Frank Percy Smith. Illustrated .. .. .. 308 



BOOKS TO READ— SCIENCE-GOSSIP .. .. 311,312 



MICROSCOPY-PHYSICS 313, ,15 



ASTRONOMY— GEOLOGY 316, 318 



NOTES AND QUERIES-TRANSACTIONS .. .. 319 

 EXCHANGES 320 



SCIENCE=QOSSIP. 



Scale of HDverttsements. 



Inch in Column £0 7 6 



Eighth of Page 16 



Quarter-page, or Half-column ... 110 



Half-page, or One Column ... 2 15 



Whole Page 5 5 



Back Page ... 6 6 



Positions by Arrangement. 



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

 Strand, London, W.C, on or previous to the 19th of each month. 



Special quotations for a series of insertions, any 

 size space, matter changeable, on application. 



Situations Wanted will be inserted at the special rate of 

 23. 6d. per insertion. 



