6 
B. Technique. 
(.1) Collecting: Objects, including- Culture Processes^ i*age 
Cobbett, L. — Alkalised, Serum as a Culture Medium for Diphtheria Bacilli . . . . 239 
Lunt, J . — Preserving Living Pure Cultivations of Water Bacteria 239 
Friedrich, P. L . — Actinomycotic Form of the Tubercle Bacillus 240 
(2) {Preparing Objects. 
Gardiner, W . — Detection of Protoplasmic Threads in Cell-Walls 240 
Tswett, M. — Use of Permanganate in Microtechnique 241 
Baklanoff, W . — Preparation of Pigments for Depicting Microscopical Preparations 241 
Ballowitz, E. — Visibility and Appearance of Unstained Centrosomes 241 
Kirkby, W . — Clearing Vegetable Sections 241 
Berkeley, H. J . — Preparing Central Nervous System 242 
Thoma, R . — Apparatus for Rapidly Fixing and Hardening Tissues 242 
(3) Cutting including Imbedding and Microtomes. 
Yankawer, S . — New Microtome (Figs. 40 and 41) 242 
Groot’s (J. G. de) Improved Lever Microtome 244 
(4) Staining and Injecting. 
Bolton, J. S. — Chrome-silver Impregnation of Formalin-hardened Brain .. .. 244 
Bowhill — Staining Flagella of Bacteria with Orcein 244 
Giglio-Tos, E . — Staining Blood of Oviparous Vertebrata 245 
Lagerheim, G . — Permanent Stain for Starch 245 
Frankl, O . — Injection Mass 245 
[(5) Mounting, including Slides, Preservative Fluids, &c. 
Thorn, C . — Method of Preserving Algae 245 
Hei rck, H. van — Media for the Study of Diatoms 246 
Limpid Colourless Solution of Copal 247 
(6) Miscellaneous. 
Kofoid, C. A . — Sources of Error in the Plankton Method 247 
Darwin, F . — Method of Demonstrating Assimilation 247 
Scourfield, D. J . — Logarithmic Plotting of Biological Data 247 
Macfadyen, A., & J. Lent — Aitkeris Dust-Counter 248 
Brodie, T. G., & A. E. Russell — Enumeration of Blood-Platelets 248 
Billstein, Emma L . — Cleansing of Slides and Cover-Glasses 249 
Zielina, A . — Cleaning Used Slides 249 
Bolas, T. — Glass-Blowing and Working 249 
PROCEEDINGS OF THE SOCIETY. 
Meeting, 16th February, 1898 .. .. 250 
„ 16th March, 1898 252 
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