XXVlll CONTENTS. 



PAGE 



Microscopical Examinations of Articles of Commerce . , Part 4 603 



Microscopical Separation of Wheat- a.nd Rye-meal .. ., „ 603 



Hunting for Lost Glaciers Kith a Microscope ,, 604 



Microscopical Analysis of the Structure of Iron and Steel „ 605 



Microchemical Reaction Methods ,, 606 



Microscopical Examination of Dyed Silks „ 607 



Apparent Motions of Objects „ 608 



Phenomena of Motion. (Fi^. 119) „ 609 



Brownian or Pedetic Motion „ 610 



Collecting, Cultivating., and Displaying Microscopic Aquatic 



Life Part 5 727 



Collecting and Preparing Infusoria „ 729 



Potassic Iodide for Preserving Infusoria „ 730 



Preparing Insects and Spiders ,, 730 



Fluid for Preserving Delicate Crustacea and Ccslenterates . , „ 732 



ffertwig's Macerating Fluid „ 732 



Blue Stain ,, 733 



Lelong's Microtome. (^Fig. 151) „ 733 



Cutting Sections of Bairs „ 734 



Fixing Sections ,, 735 



Fixing and Staining Sections on the Slide „ 736 



Freeing Objects from Air , 736 



Making Cells of Thin Glass „ 737 



Dry Mounting „ 737 



Glycerine Mwrnting „ 739 



Mounting Objects " Opaque" in Balsam „ 740 



Styrax and Liquidambar as Substitutes for Canada Balsam y, 741 



Practical Processes in Vegetable Histology „ 741 



Rapid Method of Demonstrating the Tubercle Bacillus 



without the use of Nitric Acid ,, 764 



Grinding down a Slice of a Calcareous Fvssil for Micro- 

 scopical Examination „ 765 



Verification of Microscopical Observation „ 766 



Examination of the Corpuscles held in Suspension in Water „ 772 



ImportanceofJIinute Things of Life in Past and Present Times „ 775 



Sections of Hair-follicles Stained „ 775 



Protococcus pluvialis to show Nucleus „ 775 



Preparing Emhryological and other Delicate Organisms . . Part 6 785 



Aylviard's Apparatus for Pond-Life Hunting „ 911 



Capturing and Breeding Insects, Acari, 4'C., for Mounting „ 911 



Treatment of Pelagic Fish Eggs „ 912 



Water-bath and 3Ioulds for Imbedding „ 913 



Fearnley's Modification of the Groves-WilUams Ether 



Freezing Microtome. (Fig. 170) „ 913 



Improvements in the Thoma Microtome. {Fig.Vll) .. „ 914 



Andres, Giesbrecht, and Mayer s Section-stretcher. (Fig. 172) „ 916 



Cutting Sections of Prohosces of Honey-feeding Insects .. „ 917 



Staining with Rose Bengale, Iodine Green, and Bleu de Lyon ,, 918 



Carmine Staining „ 918 



Stain for Fresh Tissues of Vertebrata „ 918 



