7 
(5) Microscopical Optics and Manipulation. i’agr 
Asiie, A . — Determination of “ Optical Tube-length ” 389 
(6) Miscellaneous. 
Tolman, H. L . — Microscopy at the World’s Fair 391 
( 3 . Technique. 
Cl) Collecting Objects, including Culture Processes. 
Ward, H. M . — Apparatus for Cultures in Vacuo (Fig. 49) 392 
„ „ Glass Culture-chamber for Hanging Drops (Figs. 50 and 51).. .. 394 
Heydenreich, L .— Apparatus for setting Gelatin 395 
Roth, O . — Simple Method for Anaerobic Cultivations (Figs. 52-54) .. 396 
Landois, L. — Self-regulating Constant Incubator (Fig. 55) 397 
Koch, A . — Stoppings and Aerating Arrangements for Pure Cultivations (Figs. 56-58) 399 
Heydenreich, L. — Plate-making 401 
Siegel — Method, for Finding the Exciting Cause of Vaccinia 402 
Marchal, E . — Incoagulable Albumen as Cultivation Medium 402 
Acosta, E., & F. Grande — New Method for Preparing Gelatin 402 
Morpurgo & Tirelli — Method for Cultivating Tubercle Bacilli 403 
Sakharoff, N . — Simplification of Method for Diagnosing Diphtheria 403 
Lagerheim, von — Simple Apparatus for Collecting and Preserving Pus , Blood , &c., 
for Microscopical or Bacteriological Work 403 
Johnson, Wyatt — New Method for the Culture of Diphtheria-Bacilli in Hard- 
boiled Eggs 404 
(2) Preparing Objects. 
Goodall, E . — New Method of Preparing Spinal Cord 405 
Lepkowski — New Method of Preparing Dentine 405 
Seeliger, O . — Preserving Larvae of Crinoids 406 
Barnes, A. S . — Demonstration of Living Trichinae 406 
Jensen, P . — Observing and Dissecting Infusoria in Gelatin Solution 406 
Martin, G. W . — Demonstrating Structure of the Embryo-sac 407 
Faber, Knud — Giant Cells and Phagocytosis 407 
(3) Cutting, including Imbedding and Microtomes. 
Hinz — A Microtome for 50 Cents 408 
Schultze, O . — Microtome for Cutting Large Sections 408 
Garcia, S. A . — Glass Vessel for Serial Sections (Fig. 59) 408 
(4) Staining and Injecting. 
Nicolle — Staining of Micro-organisms which will not colour by Gram’ 6 Method .. 409 
Kaiser — Rapid Staining of Nervous Tissue by Weigert-Pal and Iron Chloride 
Methods 409 
Kolossow’s Osmic Acid Method 410 
Schwarz, F . — Staining Fungus of Pinus sylvestris 410 
Richards, H. M . — Staining Parasitic Fungi 410 
Davalos, J. N . — Method for rapid Staining Microbes.. 411 
Yas, F . — Chromatin of Sympathetic Ganglia 411 
Gulland, G. L. — Obregia’s Method for Class Purposes .. .. p 411 
Middlemass, J . — Improved Form of Injection Apparatus 411 
(5) Mounting, including Slides, Preservative Fluids, &c. 
Geoffroy, A . — Chloral for Mounting Microscopical Preparations 412 
Walker, N . — Keeping Paraffin Sections Flat 412 
Weber, R . — Influence of the Composition of the Glass of the Slide and Cover-glass 
on the Preservation of Microscopic Objects 412 
Mansbridge, J . — Method of Mounting Calcified Microscopic Specimens .. .. ... 414 
(8) Miscellaneous. 
Rogers, W. A . — The Microscope in the Workshop 415 
Bell, Clarke, & others — Blood and Blood-stains in Medical Jurisprudence .. .. 415 
Bohm & Oppel’s Pocket-book of Microscopical Technique 416 
Christmas, J. de — Mixtures of Antiseptics 
Mangin, L . — Determination of Pectic Substances in Plants 417 
Proceedings of the Society: — 
Meeting, 19th April, 1893 413 
Meeting, 17th May, 1893 422 
