CONTENTS. 



XXXIH 



PAGE 



Kidder's Aeroscope Part 4 658 



Bubbles left in Fluid Mounts „ 658 



Clearing Fluid „ 659 



Detection of Poisons and Examination of Blood Stains .. Part 5 812 



Killing Infusoria „ 813 



Per chloride of Iron .. 813 



Mounting of Foraminifera — New Slide for Opaque Objects . . „ 813 

 Hcematoxylin as a Reagent for Non-Ugnified and Non- 



suberized Cellulose Membranes „ 814 



Canarine for Staining „ 815 



Cultivation of Bacteria upon the Slide (_Figs. 135 and 136) „ 815 



Staining of Schizomycetes in Sections and Dry Preparations „ 817 



Staining Fluid for Sections of Tubercle-Bacilli ., .. ., „ 818 



Methods of Imbedding (Figs. 137 and 138) „ 818 



Hoffmann's Imbedding Apparatus (Fig. \3d) „ 821 



Celloidin for Imbedding „ 822 



Eeichert's Microtomes (Figs. liO and HI) „ 823 



Decker's Section-smoother (Fig. 14:2) „ 825 



Griffith's Turn-table (Fig. US) .. '.. „ 826 



Reversible Mounts „ 826 



Hinman's Device for Mounting ,, 827 



Preparing Schultze's Solution „ 827 



Styrax and Liquidambar , „ 827 



Preparing Shellac Cement „ 828 



Coating Diatoms with Silver „ 829 



Lyon's Mailing Case „ 829 



Action of Reagents in the Discrimination of Vegetable 



Fibres „ 829 



Reagents for Tannins in Vegetable Cells „ 832 



Microscopical Examination of Chestnut-meal „ 832 



Microscopical Investigation of Dyed Cotton Fabrics .. .. ,, 833 

 Microscopical Examination of Water for Organic Im- 

 purities ,, 833 



Changing the Water in Aquaria containing Microscopical 



Organisms ^^ 835 



Micro-Chemical Test for Sodium „ 836 



Micro-Chemical Reaction of Solanine ,, 836 



Size of Atoms „ 836 



Liquid Films and Molecular Magnitudes „ 837 



Air-bubbles in Glycerine Cell-mounting ,j 837 



Thoma Microtome „ 838 



Smith's Mounting Medium „ 839 



Peirce's Slides , ^^ 839 



ITow to Harden Balsam Mounts „ 840 



Mounting Fresh-water Algce „ 840 



Hardy's Collecting Bottle (Fig. 161) Part 6 977 



Collecting Desmids „ 977 



Preparing Embryos „ 978 



Method of Studying the Amphibian Brain „ 978 



Preparing Planarians and their Eggs „ 978 



Starch Injection Mass .. .. ,, 979 



Ser. 2,— Vol. IV. C 



