XLo Concboicoista 



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



Begs to inform Collectors aiul otliers that he will 1)C plea.s^d to forward on 

 application price list of any GENERA incliulcd in his 



LARGE AND VARIED STOCK OF SHELLS. 



SELECTIONS SENT ON APPROVAL. MUSEUMS SLPPLIED. 



A very fine series of the rarer British Mail no Shells now on hand. 



Address— H. B PRESTON, F.Z.S., 

 3. Sydney Terrace, Fulham Road, London, SW. 



T»wo minutes twalk from South Kensington Stati --n 



W. HARRIS, 176, Bristol Street, Birmingham, 



HORTICULTURAL BUILDER, CABINET MAKER, &c. 



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

 and the Queen's Faculty of Medicine. 



Estimates given for every description of Woodwork, Cabinet Making, 

 House Carpentr}', &c. Repairs /n'mpf/i/ attended to. 



Living Specimens for the IVIicroscope. 



VoIvoa, Spirogyra, Desmids, Diatoms, Amoeba, Arcella, Actinosphserium, 

 Vorticelia. Stentor, Hydra Floscularia, Stephanoceros, Meliccrta, and many other 

 Specimens of Pond Life. Price 1/- per Tube, Post Free. Helix pomatia, 

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



THO.MAS BOLTON, 25, BALSALL HEATH ROAD, Bikmini;ham. 



JAMES SWIFT & SON, 



nflariufacturing Opticians, 



Seven Gold Medals awarded for Optical ExccUcucc. 



T^is Microscope is used by the principal Bacteriologists and 

 Medical Officers throught the Country. 



Professor Delepine's Bacteriological 

 Microscope as used in the Birmingham 

 University, fitted with coarse adjustment, 

 patented slow adjustment for fine focuss- 

 ing, extra large stage covered with vul- 

 canite, -3-in , 36 in. and T'^-in. oil immersion 

 lens, Panaplanatic Serief, Abbe Conden- 

 ser with iris diaphragm and focussing ad- 

 justment, triple dustproof nosepiece and 

 eyepiece, in Cabinet. £15 



UNIYSRSITY OPTICAL WORKS, 



81, TOTTENKAIVI COURT NOAD, 



LONDON, W. 



Pltam intntiun lhit< Journal iclien replyimj to adi:ertit<ement^ 



