7 
PAQB 
(3) Illuminating and other Apparatus. 
Ebner, V. v. — Fromme’s Arrangement of the Polarization Apparatus for Histo- 
logical Purposes (Fig. 26) 249 
Schiefferdkcker, P . — New Microscope- Shade (Fig. 27) 250 
Merrill, G. P . — Cheap Form of Box for Microscope Slides (Fig. 28) 251 
(4) Photomicrography. 
Fabre-Domergue — Photomicrography and direct positive Enlargements (Fig. 29) .. 252 
(5) Microscopical Optics and Manipulation. 
Aubert, A. B., & H. L. Smith — Index of Refraction 254 
Gotz, J. U . — Optical Glass •• ;■ 255 
Ebner, Y. v . — Plane of Polarization and Direction of Vibration of the Light in 
Doubly Refracting Crystals (Fig. 30) 256 
(6) Miscellaneous. 
Fifteenth Annual Meeting of American Microscopical Society . 258 
Scottish Microscopical Society 258 
/?. Technique. 
(1) Collecting Objects, including Culture Processes. 
Davalos, J. N. — Coco-nut- Water as a Cultivation Medium \ . . . . 258 
Frankel, Eug . — Alkalinity and Liquefaction of Gelatin 259 
Acosta, E., & F. Grande Rossi — Chamberland Filter 259 
Bibliography 259 
(2) Preparing Objects. 
Moore, S. Le M . — Demonstrating Continuity of Protoplasm 259 
Altmann — Demonstration of Intergranular Network . . 260 
Spcler, A . — Blood 260 
Csokor, J. & A. — Bone-cutting Machine 260 
Willey, A . — Preserving Larvae of Ascidians 260 
Viallanes, H . — Examination of Eyes of Arthropods 260 
Jammes — Examination of Sub-cuticular Layer of Ascarids 261 
Morgan, T. H . — Method of obtaining Embryos of Balanoglossus .. .. .. .. 261 
Chichkoff, G. D . — Investigation of Freshwater Dendroccela 262 
Rousselet, O . — Killing and Preserving Rotatoria 262 
Ruffe r, M. Armand, & J. H. Walker — Demonstration of Parasitic Protozoa in 
Cancerous Tumours .. 262 
ThSrner, W . — Use of Centrifugal Machines in Analytical and Microscopical Work 263 
Herz — Aid to Microscopical Examination of Faeces 263 
Leze, R . — Separation of Micro-organisms by Centrifugal Force . . . . 264 
C3) Cutting, including Imbedding and Microtomes. 
Sohiefferdecker, P. — Jung's Microtomes (Fig. 31) 264 
„ „ Minot’s Microtome (Figs. 32 and 33) 265 
Dawson, C. F . — A Bacteriological Potato Section Cutter (Figs. 34-36) 267 
(4) Staining and Injecting. 
Brown, A. P . — Staining Bacteria to demonstrate the Flagella 268 
(5) Mounting, including Slides, Preservative Fluids, &c. 
Dawson, C. F . — Method for Hermetically closing permanent Cultivations of Bacteria 270 
Edwards, A. M . — Medium for Mounting Microscopical Objects which will not mould 270 
Weber, R . — Influence of the Composition of the Glass of the Slide and Cover-glass 
on the Durability of Microscopic Objects 270 
Halford, ,F. M.— G. S. Marryat’s Form of Mounting and Dissecting Stand 
(Figs. 37 and 38) 270 
(6) Miscellaneous. 
Moore, S. Le M Milton's Reagent 272 
Harding, L. A . — Forensic Microscopy 272 
Proceedings of the Society: — 
Meeting, 15th Feb., 1893 274 
Meeting, 15th March, 1893 283 
