'THE ZOOLOGIST.' 



I 



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(1 2s. post tree). 

 Cases for binding 1910 can be had, price Is. 2d. post 

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BACK NUMBERS and VOLUMES of the ^ZOOLO- 

 GIST^ can be had AT CHEAP RATES, especially for 

 long series, on application to West, Newman & Co. 



London : WEST, NEWMAN & CO., 54, Hatton Garden. 



LEITZ' NEW 



LARGE TRAVELLING SV 



ICROSCOPE 



conforms in its dimensions and general design to model D. It is fitted with the 

 new form of tine adjustment having continuous cam and worm screw move- 

 ment with milled heads at the sides ; a displacement of the graduated drum 

 through one division gives the tube a vertical motion of 0.001 mm. {-^\-,,-, in.). 



Price, complete in ease (leather or mahogany), with Abbe conden- 

 ser, iris diaphragm and worm focussing screw, triple nose piece, 



objectives 5 and -}., eyepieces 1 and 3 £12 5 



Ditto, and ^'j oil immersion objective and eyepiece 4 17 10 



Ditto, Ditto, and mechanical stage 21 



Ditto, do., do., and dark ground condenser 23 1 



With J and /, Fluorite objectives instead of the achromatic, 10s. and 80s. 

 extra respectively. 



F |_ F I T 7 ^''^O'"'' House, 9, Oxford Street, London, W. 

 ^' »— l-l I ^j Agents in all University Centres. 



