SCIENCE-GOSSIP. 



The Automatic Cyclostyle. 



THE LATEST IMPROVEMENT IN DU 



FURTHER IMPROVEMENTS 



Editor of ^\ "SCIENCE-GOSSIP," says: 



«i {MAY, »98, No.) 



''We can v^ well recommend this Machine to 



Secretaries ot \&{h>. Scientific Societies and others 



for preparing ^Hlk. man if°l<i copies of notices or other 



documents." 



No. 2 Model (as figured) printing: 10 copie' 

 minute faster than the ordinary pattern, and 

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

 typewriting 1 . 



Send for full (Illustrated 

 particulars post free. 



CONTENTS. 



BRITISH DUMBLEDORS. By E. J. Burgess Sopp, 



F.E.S. Illustrated 



RADIOGRAPHY. By James Quick. Illustrated 



OPIUM : Its Source, Varieties and Composition. By 

 Lewis Ough, F.L.S., F.C.S 



BRITISH FRESHWATER MITES. By Charles D. 

 Soar, F.R.M.S. Illustrated 



A HISTORY OF CHALK. By Edward A. Martin . . 



BUTTERFLIES OF THE PALAEARCTIC REGION. 

 By Henry Charles Lang, M.D. Illustrated 



AN INTRODUCTION TO BRITISH SPIDERS. By 

 Frank Percy Smith. Illustrated 



ON COLOURING OF BIRDS' EGGS. By Reginald 

 J-.' Hughes 



MONOGRAPH OF BRITISH LAND SHELLS. Illus- 

 trated 



BOOKS TO READ 



GEOLOGY 



MICROSCOPY 



MICROSCOPY FOR BEGINNERS 



ASTRONOMY 



CHAPTERS FOR YOUNG ASTRONOMERS .. 



PHYSICS .. 



BOTANY 



MOLLUSCA.. 



SCIENCE GOSSIP 



TRANSACTIONS .. 



EXCHANGES 



PLICATING APPARATUS, 

 JUST MADE. 



For printing Reports, .Specifications, Price 

 Lists, &c, it is invaluable and soon 

 repays its cost. 



Witb CompletToutTit for 

 Reproducing ftandwrifina 



Octavo size, £3 IOs. ; 

 Quarto size, £4 I5s. ; 

 Foolscap size, £5. 



Extras for Reproducing Typewriting: 

 Octavo size, IOs. 6d. ; 

 Quarto size, lis. 6d. ; 

 Foolscap size, I2s. 6d. ; 

 Fitted with Unmeltable Rollers for Hot 

 Climates, £1 Is. extra, any size up to 



Foolscap. 



To those requiring a cheaper process, 



less easy of manipulation, the following 



is suitable : — 



The " Neo-Cyclostyle 

 Hand-Roller Process. 



Prices from 25s a 



Unmeltable Rollers for Hot Climates 



supplied at an extra cost. 



pn 34, SNOW HILL, 

 M",, LONDON, E.C. 



225 

 228 



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 246 

 247 

 248 

 25O 



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2 53 



254 

 255 

 256 



BORD'S 

 PIANOS 



25 Per Cent. Discount for Cash, or 14s. 6d. Per Month 

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

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

 40 and 42, Southampton Row, London, W.C. Pianos 

 Exchanged. 



SCIENCE=GOSSIP. 



Scale of Hovertisements. 



Inch in Column .. ..£076 



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 

 2S. 6d. per insertion. 



