WORKS BY THE SAME AUTHOR. , 



Now ready, 1th Thousand, 21s. 

 HOW TO WORK WITH THE MICROSCOPE, 



The Fourth Edition, very much enlarged. 



This work is a complete manual of microscopical manipulation, and contains 



a full description of many new processes of investigation, with directions ior 



examining objects under the highest powers. 



With Seventy Plates, including many new Figures, some of which are coloured. 



CONTENTS. 



I. The Simple and Compound Microscope Choice of a Microscope 

 Travelling and Dissecting Microscopes Clinical, Pocket and Class 

 Microscope. 



II. Examination of Objects by Reflected, Transmitted, and Polarized 



Light Dark ground Illumination Illumination On Drawing and 



Measuring Objects Ascertaining the Magnifying Power of Object 



Glasses. 



III. Instruments required for Dissection Valentin's Knife, &c. Cements 



Preservative Solutions. 

 IV. On making Cells -Brunswick Black, and different forms of Glass and 



other Cells for preserving Specimens. 



V. On examining objects in the Microscope Muscular Tissue Of making 

 Minute Dissections Hardening Textures Of examining Objects in, 

 Air, Water, and Canada Balsam. 

 VI. Of Preserving different Structures permanently Of separating Deposits 



from Fluids. 



VII. Of Injecting Apparatus, &c. Of Natural and Artificial Injections 

 Of the advantages of Transparent Injections Of the Prussian Blue 

 Injecting Fluid Injecting Mollusca, Insects, &c. 



VIII. Of the use of Chemical Reagents in Microscopical Investigation 

 Fallacies to be guarded against Presence of Extraneous Substances. 

 IX. Of taking Photographs of Objects. 



X. New method of pi-eparing all Tissues for Microscopical Investigation. 

 XI. On the use of very high Magnifying Powers. 

 XII. Of making and recording Microscopical Observations. 



Tables for practising the use of the Microscope and Manipulation. 

 Apparatus required in Microscopical Investigation. 

 Microscope Makers, Preparers of Specimens, Artists, Printers, Litho- 

 graphers, &c. 



" The Author, both in the text and in the explanations to the engra- 

 vings, has endeavoured to restrict himself, as far as possible, to giving hints 

 and directions which may be practically useful to the student while he is at 

 work." Extract Jrom the Preface. 



HARRISON, PALL MALL 



