New Works on Microscopic Science and Natural History. 

 Lately published, price 8s. 6d. 



THE MICROGRAPHIA. 



Contents : History and Description of Reflecting Microscopes On Micro- 

 meters, and their Use Monochromatic Illumination Solar Engiscopes, 

 and the Exhibition of Tests by them On trying Microscopes and 

 Engiscopes against each other, with Rules for ascertaining their compa- 

 rative merits On Eye-Pieces Illustrations of Angular Aperture On 

 the most improved Construction and Management of Solar and Gas 

 Microscopes Cuvier's Method of dissecting Objects in Fluids On a new 

 and simple fine Adjustment for Microscopes On making Drawings of 

 Inanimate Microscopic Objects, by F. Bauer, Esq. F.R.S. &c. On a new 

 Method of Illuminating Objects, by the Rev. J. B. Reade, M.A. 



BY C. R. GORING, M.D. AND A. PR1TCHARD. 



Also, price One Shilling, 



A LIST OF 2000 MICROSCOPIC OBJECTS: 



WITH 



REMARKS ON THE CIRCULATION IN ANIMALS AND PLANTS ; 

 THE METHOD OF VIEWING CRYSTALS BY POLARIZED LIGHT, &c. 



FORMING 



A GUIDE 



FOR 



SELECTING AND LABELLING SUBJECTS 



OF 



NATURAL HISTORY, BOTANY, AND MINERALOGY, 



FOR THE 



MICROSCOPE. 



Price 2s. 



ORDERS, FAMILIES, AND PRINCIPAL GENERA 



BRITISH F INSECTS, 



ARRANGED IN CONFORMITY WITH THEIR ORGANIZATION, 



AND PRINTED ON ONE SIDK ONLY, TO SUIT FOR 



LABELLING CABINETS. 



