( 15 ) 



WITH EXTINGUISHEE. 



EQUAL TO 45 CANDLES. 

 Prize Medals— PAEIS, THREE MEDALS, 1878. 



MANUFACTURED BT 



JONES & TTILLIS, I»a,teiitees, 



43, Great Eussell Street, and 260, Euston Eoad, London, and 

 Temple Row, Birmingham. 

 The most brilliant and economical mode of illumination adapted to public and 

 domestic use. There is no lamp comparable to it for brilliantly giving three beautiful 

 and vigorous flames of light. The wlclcs being in a triangular form, each wick is 

 supplied with a separate thumb-screw, by which it can be either elevated or depressed. 

 The illuminating power Is 46 Candles, and the consumption of oil less in pro- 

 portion than the Duplex, or any other Parafflne Lamp. 



THISIAMP, SUITABLE FOR MiCROSCOPlSTS, CAN BE SUPPLIED ON A LOWER STAND. 



Show-Eooms : 43, G-REAT RTJSSELL STBEET, W.O. 



Works : 260, EUSTON ROAD, N.W. 



W. EMIL BOECKER, 

 isjiAisrxji^ACTXJimsra oPTiciAisr, 



WETZLAR, GERMANY, 



SE1V13S Olft^TIS HIS CATALOGHJE 



OP MICROSCOPES, OBJECTIVES, MICROTOMES, AND APPARATUS 

 FOR SCIENTIFIC RESEARCH. 



Heinr. Boecker's Microscopical Institute, at Wetzlar, Germany, 



SUPPLIES 



MICROSCOPICAL PREPARATIONS 



In all branches of Natural History. A Large Selection of Injections, Stained Preparations, Insects, Crustacea, 

 Entozoa, and Lower Animals ; Vegetable Anatomy, Woods, Articles of Food, Algai, Mosses, Fungi, Diatoms, 

 and Sections of Rocks and Fossils. Instruments and Appliances for Mounting, &c. Sciopticoo, with addi- 

 tion for using microscopic objectives. Glass Photograms. 



Catalogue No. IX., Gratis and Post-free. 



PEEPAKEE, or MIOEOSOOPIO OBJECTS, 

 Late of 30, Russell Road, Seven Sisters' Road, London, N., 



HAS REMOVED TO 



FERNDALE, BATH ROAD, WOKING STATION, SURREY. 



Ready this day, with Illustrations, Crown 8vo, 5s. 



MilCRO-PHOTOaHAPBEY ; 



Including a Description of the Wet Collodion and Gelatino-Bromide 



Processes. 

 By a. COWLEY MALLEY, B.A., M.B., B.Ch., T.C.D. 



LONDON: H. K. LEWIS, 136, GOWER STREET, W.C. 



THE BRITISH MOSS FLORA. 



By E. BRAITHWAITE, M.D. 



Part VI. is now ready, price is. Subscriptions (lOs. Qd.) may be sent to the 

 Author. 



The previous Parts, with three Plates, may be had from the Author, at 303, Clapbam Eoisd, London. 



d 



