Advertisements. 



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THE LONDON _HOUSE=| 



FOR 



MICROSCOPES 



OUR ENORMOUS STOCK 



Enables us to supply Microscopes oF all powers and makes. 



SEND FOR OUR LIST. 



The Prices run from 17s. 6d. to £30. 



The following are a few selections : — 



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

 scope. Baker ; Beck Star ; Beck Triangular Foot IVIicroscope. Beck Folding Popular 

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

 scope. Winkel Microscope. Relchert 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.C.4 



Business Manager : E. iV. Morton-George, to ivhorn all communications should be addressed. 



WATKINS & DONCASTER, 



Naturalists and IVIanufacturers of every kind of 



Apparatus and Cabinets for Collectors of Insects, Birds' Eggs, 



Plants, IVIinerals, &c. 



Plain Ring Nets, Cane, 2s., 2s. 6d. 



Folding Nets, 5s. 6d., 6s. 6d. 



Pocket Boxes, Is. ; corked both sides. Is. 6d., 



Is. 9d., 2s. 6d. 

 Zinc Relaxing Boxes, Is. 6d., Is. 9d., 2s. 3d., 



3s. 6d. 

 Japanned Collecting Box, with strap, 8s. 6d. 

 Entomological Pins, mixed. Is. 3d., 2s., 3s. 3d. 



per oz. 

 Mite Destroyer, l^d. per oz.. Is. 6d. per lb. 

 Sugaring Tin, with brush, 2s., 2s. 6d. 

 Store Boxes, with camphor cells, 4s. to 1 Is. 6d. 

 Ditto, Book Pattern, 14s. 6d., 15s. 9d., 18s. 

 Setting Boards, flat or oval, lin., 9d. ; 



ifin.. Is. 3d. ; IJiu., Is. 4d. ; 2in., Is. 6d. ; 



2Jin., Is. lOd. ; 3in., 2s.; 3iin., 2s. 2d. ; 



4in., 2s. 4d. ; 4Jin., 2s. 6d. ; 5in., 2s. 8d. 

 Setting Houses, 17s. 6d., 20s. 6d., 25s. 



Zinc Larva Boxes, Is. 6d., Is. 9d. 

 Breeding Cage, 6s., 10s. 6d. 

 Coleopterist's Collecting Bottle, Is. 6d., Is. 8d. 

 Botanical Cases, japanned, doublctin, 2s. 3d., 



3s. 6d., 4s. 6d., 5s. 6d., 7s. 

 Steel Forceps for removing Insects, 2s. 6d. per 



pair. 

 Cabinet Cork, 7 by 3|-, 2s. 3d. per doz. 

 Pupa Diggers, 3s. 6d. Insect Lens, Is. 6d., 



2s. 6d., 3s. 6d. to 15s. 

 Egg Drills, 3d. and Is. 

 Metal Blow-pipes, Sd. and lOd. 

 Taxidermist's Companion, i.e., a pocket 



leather case containing tools for skinning, 



15s. 

 Egg Collector's Outfit, containing Drills, Blow- 

 pipes, and all requisites, 4s. 6d. post 



free, 



A Large Stock of insects and Birds' Eggs (Singles and in Clutches). 

 New and second-hand Books on Natural History. 



Birds and Mammals, dc, Preserved and Mounted by first-class workmen. 



3«, STRANL>, LONDON, W.C.3. 



Five doors East from Charing Cross Railway Station (S. E. & C. R.). 



(4183) 



