XLo Concboloaiste 



H. B. PRESTON, F.Z.S., 



Begs to inform Collectors and others that he wi!i l)e pleased to forward on 

 apijlif-ation price list of any GENERA imiudcd in his 



LARGE AND VARIED STOCK OP SHELLS. 



SELECTIONS SENT ON APPROVAL. MUSEUMS ^i II LILD 



A very fine series of the rarer British Maiiiie Shells now on hand. 



Address-H. B. PRESTON, F.Z.S., 

 3. Sydney Terrace, Fulham Road, London, S.W. 



Tw:> minutes w/alk from SoutH Kensingrton Station 



W. HARRIS, 176, Bribtol Street, Birmingham, 



HORTICULTURAL BUILL^LR, CABINET MAKER, &c. 



Contractor for Fittings and Joinery Work to The University of Binningliarn, 



and the Queen's Faculty of Medicine. 



Estimates given for every description of Woodwork, Cabinet Making, 



House Carpentry, &c. Jie/xiirs iri<ir„iitif ait':idcd to. 



Living Specimens for the Microscope. 



Volvox, Spirogyra, Desmids, Diatoms, Amo&ba, Arcella, Actinosiiluerium, 

 Vorticella. Stentor, Hydra Floscularia, Stcphanoecros, Meliccrta, and many other 

 Specimens of Pond Life. I'rice 1/- per Tul c. Post Free. Helix pomalia, 

 Astacus, Amphioxus, Rana, Anodon, etc., for Dissection purposes. 



THOMAS BOLTON, 25, BALSALL HEATH ROAD, BinjimGiiAM. 



JAMES SWIFT & SON, 



fflar\ufacturing Opticians, 



Seven Goli Medals awarded for Optic d Excellence. 



Student's Microscope fitted with fin. and Jin. 

 Objectives, sliding course adjustment. mi(tromcter 

 .screw fine adjustment for slow focussing, eye-piece 

 .ind iris dia[)!iiagm, in Cabinet £5 5 



Double nose-piece and extra eye-piece 10 



Fig. 2 Student's Stand, as per illustration with 

 |in. and ^in Objectives, eye-piece and ins dia- 

 phragm, in Cabinet - - £7 15 



Double nose-piece and extra eye-piece 15 



Prof. Delepine's microscope, as used in the Uirmingham University, with 



course and fine adjustments, extra large stage covered with vulcanite, fin. \vn. 



and iViii- Objectives, Abbe condenser N.A 1"2 fitted with iris diaphram and 



special focussing adjustment, triple nosejiiece and eyepiece, in Cal)inet £15 



This stand is used in all the principal laboratories throughout tiic kingdom. 



UNIVERSITY OPTICAL WORKS, 



81, TOTTENHAM COURT ROAD, 



LONDON, W. 



Fiease VLentiou tlun J>urhal in reph/inq to Advertisements. 



