XXVI 11 
CONTENTS. 
PAGE 
Buun, J. — New Genera of Diatoms 240 
Schmidt’s Atlas der Diatomaceen-Kunde 240 
Hieronymus, G., and others — Structure of the Cells of Pliycochromacese .. .. 240 
Hansgirg, A. — Oscillatoriacese 241 
Gomont, M . — Phormidium 241 
Wildeman, E. de, & others — Scenedesmus 381 
Wildeman, E. DE — New Pleurocuccus 382 
Toni, G. B. de — Intra-frustular Reproduction of Diatoms 382 
Muller, O. — Movements of Diatoms 382 
Schutt, F . — Relationship between the Morphology and Biology of Diatoms and 
their Classification 382 
Palla, E., & H. Zukal — Protoplasts of the Cyanopliyceze 383 
Comber, T. — On the Unreliability of certain Characters generally accepted for 
Specific Diagnosis in the Diatomacese 428 
Davis, B. M . — Cryptoglena americana sp.n. 490 
Heribaud, J . — Influence of Light and of Altitude on the Striation of Diatoms .. 491 
Lagerheim, G. v. — Snow-flora of Spitzbergen 605 
Zopf, W . — Development of Dictyosphaerium 605 
Chodat, R . — Development of Rapliidium 605 
Miquel, P. — Re-establishment of the Size of Diatoms 606 
Lauterborn, R., & O. Muller — Movements of Diatoms 606 
Tilden, Josephine E. — Filamentous Form of Protococcus 725 
Jonnson, B. — Parasite of Gunnera 725 
Dangeard, P. A . — Stichococcus bacillaris 725 
Stolterfoth, H .—On the genus Corethron 762 
Comber, T. — Cleve’s Synopsis of Naviculoid Diatoms 765 
Grove, E., & T. Comber — Diatoms from Natal 765 
j3. Schizomycetes. 
Freudenreich, E. v . — Resistance of Bacteria to Pressure combined with a High 
Temperature 97 
Winogradsky, S . — Assimilation of Atmospheric Nitrogen by Microbes 97 
Marchal, E . — Bacillus mycoides and Nitrification 98 
Denys, J., & A. Kaisin — Bactericidal Power of the Blood 98 
Issaeff, B . — Acquired Immunity to Pneumococcus 99 
Malvoz, E . — Presence of B. coli commune and B. typhosus in Drinking-Water .. 99 
Landmann — Streptococcus longus in Drinking-Water 100 
Strazza — Capsule Bacillus of Ozaena 100 
Pfeiffer, R. — Pfeiffer’s Influenza Bacillus 100 
Sanarelli, J. — Water Vibrios and the Mtiology of Cholera 101 
Bibliography 102 
Ward, H. Marshall — Action of Light on Bacteria 241 
Hansen, E. C . — Acetic Acid Bacteria 242 
Hesse, W . — Gaseous Products of Bacteria 242 
Beyerinck, M. W. — Respiration- Figures of Mobile Bacteria 242 
Noack, F . — Cancer of the Ash produced by Bacteria 243 
Macchiati, L . — Streptococcus Bombycis and the Silkworm Disease 243 
Schuller — Microbes in Chronic Rheumatism 243 
Hankin, E. H .— Alexocytes 243 
Muntz, A., & H. Condon — Ammoniacal Fermentation of Earth 244 
Dl claux, E . — Microbes and Fatty Matter 244 
Voges, O . — Chromogenic Water Bacteria 245 
Fischer & Levy — Presence of Diplococcus pneumoniae Fraenkel , and of Strepto- 
coccus pyogenes in Osteomyelitis and Periostitis 245 
Denys, J., & J. Martin — Relations of Friedlaender’s Pneumobacillus and of the 
Lactic Ferment with B. lactis aerogenes and B. typhosus 245 
Muller, K . — Anthrax in Rats 246 
Danysz, J . — Destruction of Field Mice by means of Pathogenic Microbes 247 
Kiessling, F. — Vibrio resembling Cholera Bacillus 247 
Heider, A. — Vibrio danubicus 247 
Abel, R . — Viability Period of Diphtheria 248 
