( 4 ) 



SuMMABT OF CiTBRKNT Eesbarohes, &c. — Continued. 



PAOl 



Fase's Zoophyte Trough, Live Box, or Growing Slide (Figs. 186 and 187).. 824 



Mdlasse^s Moist Chamber .. . . 82£ 



Mackenzie's Swinging Svbstage (Fig. 188) 82J 



Swif^B Radial Traversing Substage Illuminator (Fig. 189) 821 



Kdner Eye-piece and Equilateral Prism as a Means of Illumination 



(Figs. 190-192) 82f 



Difference in the Appreciation of the apparent Size of Microscopical Images 



by different Observers 82!! 



Conditions of Aplanatism for Wide-angled Pencils (Fig. 193) 831 



Penetrating Poieer of Objectives 831 



Penetration 83J 



Advantage of the Binocular 83J 



Apparatus for Pond-life 83{ 



Eanaman's Collecting-bottle (Fig. 194) 83f 



Cleaning Diatoms 83' 



Colouring Bacteria .. 83j 



Colouring of Suberized Membranes by Fuchsin .. ..... .... .. 835 



Nigrosine for Colouring Nuclei of Vegetable Cells .. 83J 



Staining Nuclei 83£ 



Seller's Imbedding Substance .. .. 84( 



Strasser's Method of Imbedding .. .. 84( 



Loeioe's Modification of the Banvier Microtome (Figs. 195-197) 84( 



Knife for Large Sections {Fig. 198) 84i 



Making Sections very quickly 84S 



Cutting Sections of Myxomycetes, &c. ..' 84'! 



Dayton's CeU (Fig. 199) 84' 



Fluid for Mounting Infusoria, Algas, &c 84! 



Preservative Fluids for Botanical Preparations 84' 



Chloral Hydrate for Preserving Tissues 84' 



Chalon's Microscopic Finger 84' 



Mounting Opaque Objects 84' 



Preparing Cuticles of Plants 84i 



Mounting Raphides 841 



Preparing Crystals of Metals . . . . . . 851 



Blue Glass for Test Objects 85( 



Armstrong's Universal TurrddbU (Fig. 2QQi) 85( 



Aylward's'^ Concentric" Turntable (Fig. 2(il) 85: 



Photographing Bacteria .. .. 85: 



Giinther's Photographs of Pleurosigma angulatum (Fig. 202) 85! 



Cohen and Crrimm's Microphotographs of Minerals arid Bocks .. »,. .. 85' 



BraJiam's Lamp .. 85' 



Eicamining and Testing minute Particles of Blood 85! 



Microscopical ExamirMtion of Handwriting — Detection of Forgeries by the 



Microscope 85( 



STOoke and Steam under the Microscope 86' 



Microscopical Bepresentation of Physiological Movements ., 86^ 



