( 6 ) 
Protophyta. 
a. Schizophyceee. 
Beyerinck, M. W . — Pure Culture of Green Protophyta .. .. 757 
Rattray, I .—Coscinodiscus 757 
/3. Schizomycetes. 
Hansgirg, A . — New Schizomycetes 758 
Prillieux, E., & G. Delacroix — New Bacillar Disease of Plants 758 
Fazio — Micro-organisms of Fresh Vegetables 759 
Lewith — Resistance of Spores to High Temperatures 759 
Frankland, P. F . — Influence of Carbonic Acid and other Gases on the Development 
of Micro-organisms 759 
Buchner, H . — Resistance of living Bacteria and Yeast-cells to Pigments 759 
Heim, L . — Blue Milk 760 
Fuchs — Anaerobic pyogenic Bacillus 760 
Kitasato, S., & Th. Weyl — Action of Reducing Agents on Anaerobic Bacteria .. 761 
Lehmann, K. B., & H. Buchner — Spore-formation in Anthrax .. 761 
Klein, E . — Morphology of Streptococci 762 
Babes, V., Prior, Levy, Kowalski, Ribbert, & Marmerek — Bacteria of Influenza 762 
Vaillard — Streptococcus and Influenza 765 
Almquist, E . — Bacteria with Mycele 765 
Pansini, S . — Influence of Sunlight on Micro-organisms 765 
Gasperini, G . — Morphology and Biology of Streptothrix Foersteri Cohn 766 
Dowdeswell, G. F . — Phases in the Development of the Cholera Microbe 766 
Schmelck, L . — Bacteriological Examination of Drinking Water in Christiania .. 767 
Bonome, A., H. Buchner, & others — Germicidal Action of Blood 767 
Koch’s (R.) Remedy for Tuberculosis 768 
Bibliography 772 
MICROSCOPY. 
a. Instruments, Accessories, See . 
(1) Stands. 
Bibliography 774 
(2) Eye-pieces and Objectives. 
Schott — On Glass-smelting for Optical and other Scientific Purposes 774 
Kerber, A . — On the Removal of the Chromatic Difference of the Spherical 
Aberration in Microscope Systems (Figs. 83 and 84) 778 
„ „ A Microscope System of 3*9 mm. focal length of Jena glass 
(Figs. 85-89) 781 
Reinsch, P. F . — Introduction of a Universal Scale of Magnification of Microscopical 
Figures 787 
(3) Illuminating: and other Apparatus. 
Substages for Students* Microscopes .. .. 788 
Jacobs, F. O . — An Illuminating Cell 795 
Bulloch’s Mechanical Stage with Vertical Pinions (Fig. 90) 795 
(4) Photomicrography. 
Neuhauss, R . — Photomicrography at Medical Congress at Berlin , 1890 796 
Marktanner-Turneretscher’s Photomicrography 796 
Miethe, A. — Absorption-plates 796 
Gardiner, W . — Application of Photography to the demonstration of certain Physio- 
logical Processes in Plants 797 
(6) Miscellaneous. 
Deceased Honorary Fellows — Mr. Ralfs and Prof. Parker 797 
p. Technique. 
Cl) Collecting Objects, including Culture Processes. 
Smith, J. Anderson — A Homely Zoophyte-trough 801 
Fellows, Charles S . — A New Collecting Net 801 
Cobb, N. A . — Suction Capsule (Figs. 91-3) 802 
