NEW WORKS BY THE SAME AUTHOR. 



Now ready, Sth 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. Tlie simple and compound microscope — Choice of a micro- 

 scope — TraveUing and dissecting microscope— Clinical, 

 pocket, and class microscope. 

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

 light — Dark gi-oimd 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. 



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 textui-es — Of 

 examining objects in air, water, and Canada balsam. 

 VI. Of preserving different structures permanently — Of separating 

 deposits from fluids. 

 VII. Of injecting — Apparatus, etc. — 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 — FaUacies 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 dii-ections which may be practically useful to the 

 student while he is at work." — Extract from the Preface. 



HAEKISON, PALL MALL. 



