CONTENTS. 



XXV 



PAQB 



- Substage Refractor Part 6 860 



rent Size of Magnified Objects „ 861 



Committee on Ruled Plates „ 861 



Quekett Microscopical Club „ 861 



Sogg on the Microscope „ 862 



Wright's ' Experimental Optics ' „ 862 



Moore's Camera Lucida „ 865 



New Mechanical Lamp „ 866 



Tolles' Objective with Tapering Front „ 904 



Collecting, Mounting and Examining Objects, &c. 



Durable Preparations of Microscopical Organisms . . . . Part 1 120 



Preparing Anthers „ 122 



HerpeVs Method of Preparing Fungi for the Herbarium . . „ 122 



Dissociation of Gland-Elements „ 123 



Method of Preparing and Mounting Soft Tissues .. . . „ 123 



Preservation of Anatomical Specimens ,, ' 124 



Barff's Preservative for Organic Substances „ 124 



Injection-mass ,, 125 



Imbedding Delicate Organs „ 125 



Eatsch's Large Microtome. (^Fig. 25) „ 126 



Cox's " Simple Section-cutter for Beginners " „ 126 



Cutting Sections of very Small Objects „ 126 



Mounting in Balsam „ 126 



Mounting in Glycerine „ 127 



Smith's Slides ,, 127 



Spring Clip Board. (Fig. 2Q) „ 128 



Examination of Living Cartilage ,, 128 



Statoblasts of Lophopus crystallinus as a test for High-power 



Objectives. — Areolations of Isthmia nervosa „ 129 



Microscopical Structure of Malleable Metals ,, 130 



Sections of Fossil Coniferous Woods „ 131 



Aeration of Laboratory Marine Aquaria. (^Fig.21).. .. „ 131 

 On Mounting Objects in Phosphorus and in a Solution of 



Biniodide of Mercury and Iodide of Potassium .. .. Part 2 163 



Injection of Invertebrate Animals „ 274 



Cold Injection Mass „ 275 



Staining with Saffranin ;, 275 



Staining with Silver Nitrate ,, 275 



Staining Tissues treated with Osmic Acid „ 276 



Mounting the ^^ Saw " of the Tenthredinidoe „ 276 



Mounting Butterfly-scales „ 277 



Imbedding Ctenophora „ 278 



Staining Living Protoplasm with Bismarck Brown ., .. „ 278 



Preservation of Infusoria and other Microscopical Organisms „ 279 



Staining the Nucleus of Infusoria „ 280 



Aniline Dyes and Vegetable Tissues , 281 



Indol as a reagent for Lignified Cell-membrane „ 282 



English's Method of Preserving Hymenomycetes and Wild 



Flowers „ • 283 



