IV 



HARDWICKE'S SCIENCE-GOSSIP. 



I 117 I r»T\TlT\ 2 Gold Medals, Paris Universal Exhibition, 1889. 



A W A K llr 1 1 2 Diplomas of Honor for Microscopes and Microscopic Objects, Antwerp International Microscopical 

 fl 11 tXlVL/UU Exhibition, 1891. And 



— — - — — 24 Gold and other Medals at the principal International Exhibitions of the world. 



MICROSCOPES. 



The Van Heurek Microscope. 



(REGISTERED.) 

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The Scientist's Microscope. 



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MICROSCOPIC OBJECTS. 



Section through sori of Fern 

 Set of 24 Bo;anical Slides (comparative 

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 S;udents. (See page 29 ol New Catalogue) 32 

 Oak Moth. Opaque. Very pretty . . 1 

 Desmid — Micrasterias • • ■ 1 



Drosera— New slide, with insects captured 1 

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s. d. I 

 1 



Set of 21 choice selected Diatomacece (see 

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New Slides containing different Species of 



One Genus of Diatomacetz. 

 Pleurosigma, 50 Species . . . .15 



Surirella, 

 Coc-cinodiscus, : 

 Navicula, 



Full Illustrated Catalogue of Microscopes and Apparatus, 

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