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, 



FOU THE 



MICROSCOPE. 



Price 2s. 



OF THE 



ORDERS, FAMILIES, AND PRINCIPAL GENERA 



BRITISH INSECTS, 



ARRANGED IN CONFORMITY WITH THEIR ORGANIZATION, 



AND PRINTED ON ONE SIDE ONLY, TO SUIT FOR 



LABELLING CABINETS. 



