Advertisements. 



r 



THE LONDON HOUSE 



OUR ENORS^OUS STOCK 



Enables us to supply IVIicroscopes of all powers and makes. 



SEND FOR OUR LIST. 



The Prices run from 17s. 6d. to £30. 



The following ara a few selections : — 



Students' ; Advanced : Hartnach : Society of Arts Microscope. Swift Student Micro- 

 scope. Bal<er ; Becl< Star ; Becl< Triangular Foot Microscope. Becl< Folding Popular 

 Microscope. Beck Folding Popular Binocular Microscope. Beck "London" Micro- 

 scope. Winkel Microscope. Reichert Microscope. Leitz Microscope. " Voigtiander " 

 Microscopes. Zeiss Microscopes on sale from time to time. 



Microscopes by all makers obtained at shortest notice. Exchange and repairs of all kinds. 



J. WILLIAMS BUTCHER, 



2 & 3 Ludgate Circus Bdgs., Farringdon St., London, E.G.4 



Business Manager : E. \V . Morton-George, to whom all communications should be addressed. 



WATKINS & DONCASTER 



NATURALISTS, 



Keep in Stock— 



APPARATUS AIVD CABINETS 



Required by Collectors of Insects, Birds' Eggs, Plants, etc. 



A Large Stock of 



British, Continental & Exotic Lepidoptera 



and also 



Birds' Eggs 



(Singles as well as in Clutches). 



Our Catalogue will be sent POST FREE on application 



36, STRAND, LONDON, W.C. 2. 



(5296) 



