NEW WOEKS BY THE SAME AUTEOE. 



Now ready, 8th 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 for examining objects under the highest powers. 



With 70 Plates, including many new Figures, some of which are coloured. 



CONTENTS. 



I. The simple and compound microscope Choice of a micro- 

 scope Travelling and dissecting microscope Clinical, 

 pocket, and class microscope. 



II. Examination of objects by reflected, transmitted, and polarized 

 light Dark ground illumination Illumination On draw- 

 ing and measuring objects Ascertaining the magnifying 

 power of object glasses. 

 III. Instruments required for dissection Valentin's knife, &c. 



Cements Preservative solutions. 

 IY. 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. 

 YI. Of preserving different structures permanently Of separating 



deposits from fluids. 



YII. Of injecting Apparatus, &c. Of natural and artificial 

 injections Of the advantages of transparent injections Of 

 the Prussian blue fluid Injecting mollusca, insects, &c. 

 VIII. Of the use of chemical reagents in microscopical investiga- 

 tion Fallacies to be guarded against Presence of extraneous 

 substances. 

 IX. Of taking photographs of objects. 



X. New method of preparing all tissues. 

 XI. On the use of very high magnifying powers. 

 XII. Of making and recording microscopical observations. 

 Tables for practising the use of the microscope. 

 Apparatus required in microscopical investigation. 

 Microscope makers, preparers of specimens, artists, printers, 

 lithographers, &c. 



" The Author, both in the text and in the explanations of the 

 engravings, 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 from the Preface. 



HARRISON, PALL MALL. 



