6 
MICROSCOPY. 
A. Instruments, Accessories, &c. 
(1) Stands. page 
Sticker, George — Travelling Microscope (Figs. 96 and 97) 582 
Berger’s New Microscope (Figs. 98-100) 583 
Messter’s Bacteria Microscope (Fig. 101) 587 
„ Compressorium Microscope (Fig. 102) 587 
„ Preparation Microscope (Fig. 103) 588 
(3) Illuminating- and other Apparatus. 
Schaper, Alfred — New Apparatus for Application of Electric Currents to living 
Microscopic Objects (Figs. 104-108) 589 
(4) Photomicrography. 
Spitta, Edmund J . — Photomicrography 1 591 
(5) Microscopical Optics and Manipulation. 
Wright, Lewis — Microscopic Images and Vision 592 
CQ) Miscellaneous. 
Cruz, G . — Simple Apparatus for Washing Microscopical Objects (Fig. 109) .. .. 595 
Stevens, W. C. — Apparatus for Fixing and Hardening Small Objects (Fig. 110) .. 596 
Moore, V. A. — Thermo-regulated Waterbaths for the Bacteriological Laboratory 
(Figs. Ill and 112) 596 
B. Technique. 
(1) Collecting Objects, including Culture Processes. 
Pacinotti & Municchi — New Medium for Bacteriological Diagnosis 597 
Ferran, J . — Use of Acetylene in the Cultivation of Anaerobic Bacteria 598 
Burger, J . — Culture of Diatoms 598 
C2) Preparing Objects. 
Gardiner, W . — Detection of Protoplasmic Threads in the Cell-wall . . 598 
Ravenel, M. P . — Preparing Agar Media 599 
Jordan, H. — Treatment of Celloidin Sections stained with Orcein 600 
Laslett, E. E . — Modification of the Weigert-Pal Method for Paraffin Sections .. 600 
Janssens, F. A., & A. Leblanc — Method of Demonstrating the Structure of Yeast- 
Cells 600 
(3) Cutting, including Imbedding and Microtomes. 
French, G. H . — Imbedding and Staining Lichens 601 
(4) Staining and Injecting. 
Farmer, J. B. — Methylen-Blue for Investigating Respiration in Plants 601 
Petri — Testing Butter and Milk for Tubercle Bacilli 602 
Janssens, F. A . — Black Hsematoxylin 602 
Rosenberg, O . — Prodigiosin as Staining Reagent for Botanical Specimens . . . . 602 
Nestler, A . — Staining the Mucus-Cells of Malvaceae 603 
Hewlett, R. T . — Diagnostic Stain for the Diphtheria Bacillus 603 
(5) Mounting, including Slides, Preservative Fluids, &c. 
Baker, C . — Mounted Specimens — a New Departure 603 
(6) Miscellaneous. 
Wadsworth, M. E . — Some Methods of Determining the Positive or Negative Cha- 
racter of Mineral Plates in Converging Polarised Light with the Petrographical 
Microscope 604 
Mez, C . — Microscopical Water Analysis 606 
Groot, J. G. de — Cleaning Slides intended for Waterstuck Sections 606 
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