6 
Myxomycetes. 
PAGE 
Lister, A . — Division of Nuclei in the Mycetozoa 768 
Morgan, A. P . — New Myxomycetes 768 
Protophyta. 
o. Schizophycese. 
Turner, W. B . — New Genera of Protococcacese 768 
Butschli, O . — Movement of Diatoms 769 
Richter, P. — Microcrocis, a new Genus of Cyanophycesc .. ..' 769 
/3. Scliizomycetes. 
Burci, E., & Y. Frascani — Bactericidal Action of a Continuous Electric Current . . 769 
Amann , J.—Pleochroism of Stained Bacteria 770 
Stagnitta-Balistrera — Formation of Sulphuretted Hydrogen by Bacteria .. .. 770 
Schmidt, A . — Influence of Fatty Cultivation Media on Bacteria 771 
Dahmen, Max — Fertilization-processes in Vibrios 772 
Roth — Behaviour of Mobile Micro-organisms in Punning Fluids 773 
Sanarelli — Defence of the Organism against Microbes after Vaccination 773 
Heim, L . — Resistant Germs in Gelatin 774 
Schenck, S. L . — Thermotaxis of Micro-organisms and its Relation to Chill .. .. 774 
Boyce, R., & A. E. Evans — Action of Gravity on Bacterium Zopfii 774 
Atkinson, G. F . — Organism of the Root-tubercles of Leguminosse 774 
Hesse, W . — JEtiology of Cholera 775 
Fokker — Microbe resembling the Cholera Bacillus 775 
Metschnikoff, E . — Relation of the Cholera Vibrio to Asiatic Cholera 775 
Gabritschewsky, G., & E. Maljutin — Detrimental Effect of Cholera-products on 
other Organisms 775 
Everard, C., & others — Modification of Leucocytes , as the Result of Infection and 
Immunization 776 
Bujwid, O . — Influenza Bacillus 776 
Vincent, H . — Association of Streptococcus and Bacillus typhosus 776 
Lafar, F . — Suspected Identity of Bacillus butyri fluorescens and Bacillus melo- 
chloros 777 
Charrin, A . — Bacillus pyocyaneus in Plants 777 
Foa, P. — Varieties of Diplococcus lanceolatus 778 
Freudenreich, E. de — Toxic Action of Cultivation Products of Avian Tuberculosis 778 
Galippe, V . — Microbic Synthesis of Tartar and Salivary Calculi 778 
Bibliography 779 
MICROSCOPY. 
a. Instruments, Accessories, &c. 
(3) Illuminating- and other Apparatus. 
Preston, W. N. — Practical Drying Oven (Fig. 107) 780 
Boettcher, F. L. J. — Slide Carriage and Object-finder (Fig. 108) 781 
Bernhard, W. — Desk for Microscopical Drawing (Fig. 109) 782 
Piffard, H. G. — Improved Means of Obtaining Critical Illumination for the Micro- 
scope : Piffard' s Electric Lamp (Fig. 110) 783 
Preston, W. N. — New Mounting Table (Fig. Ill) 784 
(4) Photomicrography. 
Atkinson, G. F. — Photography as an Instrument for recording the Macroscopic 
Characters of Micro-organisms in Artificial Cultures 785 
Piffard, H. G. — A suggested Improvement in the Correction of Lenses for Photo- 
micrography (Figs. Ill and 112) 786 
(5) Microscopical Optics and] k Manipulation. 
Sohncke, L. — JJnusual Microscopic Images 791 
