7 
(5) Microscopical Optics and Manipulation. pack 
Ttjtton, A. E . — An Instrument of Precision for producing Monochromatic Light of 
any desired Wave-length , and its Use in the Investigation of the Optical Pro- 
perties of Crystals 394 
Fock, A . — The Limits of the Visible 395 
(6) Miscellaneous. 
Bedot, M . — The late Prof. Fol 395 
B. Technique. ' 
Del Rio y Lara, D. Luis — Manual of Technique 396 
(1) Collecting: Objects, including 1 Culture Processes. 
Scherffel, A . — Improvement in J. af Klerckers Arrangement for the Cultivation 
of Living Organisms under the Microscope (Fig. 29) 396 
Novy, F. G . — Apparatus for Cultivating Anaerobic Bacteria (Figs. 30-31) .. .. 397 
Cristiani, H . — Apparatus for Bacteriological Examination of Air (Fig. 32) .. 398 
Kutscher — Absence of Phosphorescence in Cholera Cultures 399 
Wesener — Preparation of Nutrient Medium for Bacteria from Eggs 399 
Voges, O . — Cultivation of Cholera in Uschi risky’s Medium 400 
Kuprianon, J . — Obtaining Germ-free Blood-serum 400 
(2) Preparing Objects. 
Borrel, A . — Technique for Studying Tubercle Bacilli in Lung 401 
Ilkewitsch, K . — New Method for Detecting Tubercle Bacilli in Phthisical Sputum 402 
Claypole, E. J . — Investigation of Blood of Necturus and Cryptobranchus . . . . 402 
Andre, E . — Investigation of Ancylus 402 
Groom, T. T . — Development of Cirripedia 403 
Julien, A. A . — Preparing and Staining Cover-glass Preparations 403 
(3) Cutting, including Imbedding and Microtomes. 
Sohiefferdecker, P . — New Double-knife (Fig. 33) 403 
Elsching, A . — Imbedding Delicate Objects in Celloidin 404 
„ „ Air- and Water-free Celloidin Solutions 404 
(4) Staining and Injecting. 
Kantorowicz — UseofThionin .. 405 
Pianese, G . — Formic Acid Hsematoxylin 405 
Ermengem, E. Yan — New Method of Staining Cilia of Bacteria 405 
Solavo — Method for Staining Flagella 405 
Nicolle, M., & Y. Morax — Staining Flagella 406 
Ilkewicz, W . — Staining Nuclei of Anthrax Spores 406 
Sawtschenko — Microchemical Staining Reactions of Mucin 407 
Ehrmann, S. — Weigert’s Fibrin Method 407 
(5) Mounting, including Slides, Preservative Fluids, &c. 
Fabre-Domergue — Slide-holder (Fig. 34) 407 
(6) Miscellaneous. 
Goethart, J. W. Chr . — Drawing imperfectly visible Details]with Camera lucida . . 408 
Proceedings op the Society: — 
Conversazione, 4th April, 1894 .. 409 
Meeting, 18th April, 1894 413 
Meeting, 16th May, 1894 * .. 417 
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