CONTENTS. 



Xlll 



Vessels far keeping Canada Balsam in. 



Solutions of Canada balsam. 

 Arrangement for pressing down the thin 



glass cover while the balsam or cement 



is becoming hard. 



Gum. 



French cement composed of lime and 

 India-rubber. 



PRESERVATIVE FLUIDS. 



Spirit and water. 



Glycerine. 



Thwaites' fluid. 



Solution of naphtha and creosote. 



Carbolic acid. 



Solution of chromic acid. 



Preservative gelatine. 



Gelatine and glycerine. 



Gum and glycerine. 

 Goadby's solution. 

 Burnett's solution. 

 Chloride of calcium. 

 Alum and other salts. 

 Arsenious acid. 

 Arseniuretted hydrogen. 



CELLS FOR PRESERVING MICROSCOPICAL SPECIMENS. 



Paper cells. 

 Shell-lac cells. 

 Brunswick black cell. 



Marine glue cells. 

 Cells made of tinfoil. 



Of Glass Cells. 



with 



Cutting and grinding glass. 



Stone for grinding. 



Of drilling holes in glass. 



Cementing glass together with marine 



glue. 



Cleaning off superfluous glue. 

 Cells made of thin glass. 

 Simple methods of perforating the thin 



glass. 

 Deeper glass cells. 



Small deep cells for injections. 



Built glass cells. 



Deep glass cells made by bending a strip 



of glass in the blowpipe flame. 

 Moulded glass cells. 

 Gutta percha and ebonite cells. 

 Round cells. 



Troughs for examining zoophytes. 

 Animalcule cage. 

 Growing cells. 



PART II. 



OF PREPARING AND PRESERVING OBJECTS FOR THE MICRO- 

 SCOPESEPARATING DEPOSITS FROM FLUIDS OF INJECTING 

 OF DEMONSTRATING THE STRUCTURE OF THE FULLY- 

 FORMED TISSUES OF MAN, THE HIGHER AND LOWER 

 ANIMALS, AND PLANTS OF EXAMINING MINERALS AND 

 FOSSILS. 



OF THE IMPORTANCE OF EXAMINING THE SAME OBJECTS IN DIFFERENT 



MEDIA. 



Appearance of the same object examined 

 in air, water, and Canada balsam, by 

 transmitted light, and under the in- 

 fluence of reflected or polarised light. 



Of air bubbles and oil globules, and 

 globules of crystalline matter. 



For beginners only. How to examine 

 an object in the microscope. 



Precautions to be observed in working. 



General considerations with reference to 

 the nature of the medium in which 

 tissues should be placed for examina- 

 tion. 



Examining and preserving specimens in 

 the dry way. 



Examination of substances in fluids. 



Examination in Canada balsam, turpen- 

 tine, and oil. 



OF PREPARING TISSUES FOR MICROSCOPICAL EXAMINATION OF DISSECTING 

 AND CUTTING THIN SECTIONS OF TISSUES. 



Tablets upon which dissections may be 

 pinned out. 



Of making minute dissections. 

 Loaded corks. 



