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Microscopes. 



The Cheapest House for First- Class Instruments 



in London. 

 An Immense Stock always on hand for Selection. 



Send for the NEW ILLUSTRATED CATALOGUE. 



Post Free, 2d. Ask for Microscope Catalogue. 



New List of MICROSCOPIC OBJECTS. 



Post Free, 2d. Ask for Micro. Object List. 



W. Watson & Son, 313, High Holbom, London. 



Two Doors from Chancery Lane.— Establislied 1837. 



C. BAKER, 244 & 245, High Holborn, 



Begs to call the attention of Microscopists to Lis NEW MODEL STAND, to 



which any Apparatus or Object-Glasses can be supplied, price £3. 



SrPEEioR English or Geeman Object-Glasses for same, from 21«. 



C. BAKER being- the appointed AGENT for ZEISS, SEIBERT, and other 

 first-class GERMAN MAKERS, is now supplying their beautiful 

 productions at very LOW PRICES. Zeiss' new Homogeneous and 

 other Immersion Objectives now in Stock. Catalogue Fbee by Post. 



A LARGE ASSORTMENT OF 



SECOND-HAND MiCROSGOPES AND OTHER SCIENTIFIC INSTRUMENTS 



IN STOCK, AT THE LOWEST PRICES. LISTS OP SAME FORWARDED ON APPLICATION. 



Instruments taken in Exchange. Established in 1765. 



SECOND-HAND mCROSCOFES, 



BT ALL ESTEEMED MAKEES, AT A LA.E6B EEDUOTION 



FROM THE ORIGINAL COST. 



AN IMMENSE STOCK TO SELECT PROM. 



ASTRONOMICAL AND TOURISTS' TELESCOPES. FIELD AND OPERA GLASSES. 



Illustrated Catalogue, Three Stamps. 



W. LAWLEY & SON, 78, FARRINGDON ST., CITY, E.G. 



ESTABLISHED UPWARDS OF A CENTUTiY. 



MICROS COPIC OB JECTS, 



stained and Injected Preparations from Man and the Lower Animals; 



Insects, parts and entire; Diatomaceas, Foraminifera ; 



Double Stained Sections of Stems, Leaves, Seed Vessels, &c., of Plants; 



Sections of Rocks and Possils, 



T. r>. lirJSSELL, 48, Kssex St., Straiicl, TT.O. 



Micro. Catalogue, Geological Catalogue, and Natural History Circular, Post Free, 2d. 



ADVERTISEMENTS FOR THE JOURNAL. 



Mr. Charles Blencowe, of 75, Chancery Lane, W.C., is the authorized 

 Agent and Collector for Advertising Accounts on behalf of the Society. 



