CONTENTS. 
XXV11 
PAGE 
Sappin-Trouffy — Systematic Position of Protomyces . . . . 566 
Dangeard, P. A . — Sexual Reproduction in the Ascomycetes 566 
Massif, G., and others — Parasitic Fungi 566 
Ellis, W. G. P . — Fungus Parasitic on Pellia 567 
Boulanger, E . — Development of Volutella 567 
Bucholtz, F . — Meliola . . . . 567 
Peglion, V . — Exohasidium Vitis 567 
Zukal, H . — Morphology and Biology of Lichens 567 
Burt, E. A . — Lengthening of the Receptacle of the Phalloideze 568 
Simoni, A. de — Blastomycetes in Hypertrophied Tonsils 568 
Myxomycetes. 
Dangeard, P. A. — Sappinia, a new Genus of Acrasieze. 62 
Schilbersky, C . — Cribraria and Physarum 62 
Zukal, IT,, & F. Ludwig — Myxobotrysaceze, a new Order of Myxomycetes .. .. 154 
Roze, E. — Amylotrogus , a new Genus of Myxomycetes 154 
Morgan, A. P. — Cytidium, a new Genus of Myxomycetes 155 
Roze, E. — Vilmorinella, a new Genus of Myxomycetes .. 323 
Zukal, H . — Myxobotrys 323 
Roze, E . — Pseudocommis Vitis 422 
ProtopRyta. 
a. Schizophyceee. 
Whipple, G. C . — Growth of Diatoms 62 
Klebahn, H . — Formation of Auxospores in the Diatomaceze 62 
Castracane, F . — Sporulation of Diatoms 63 
Roze, E . — New Genera of Cyanopliyceze 63 
Richter, P . — Nostocaceze 64 
Gomont, M . — Hassallia and Tolypothrix 64 
Murray, G . — Reproduction of Marine Diatoms 155 
David, T. W. E . — Diatomaceous Earth 155 
Zukal, H . — Structure of Cyanopliyceze and Bacteria 156 
Chodat, R . — Oscillatoria rubescens 156 
Karsten, G . — Auxospores of Diatoms 233 
Lauterborn, R., & O. Muller — Structure , Division , and Movements of Diatoms 234 
Van Heurck’s Synopsis of the Diatomaceze 235 
Schmidt’s 1 Atlas der Diatomaceen-Kunde ’ 235 
Zacharias, E . — Structure of Cyanopliyceze 235 
Schmidle, W . — Development of Sphzerozyga 235 
Castracane, F . — Rhizosolenia 323 
Kolkwitz, R., & C. Correns — Movements of Oscillatoriaceze 324 
Gran, H. H . — Protopliyta of the Norwegian Nordliavs Expedition, 1876-78 .. .. 422 
Fischer, A . — Structure of Cyanophyceze and Schizomycetes 423 
Gomont, M., & others — New Genera of Cyanopliyceze 423 
Chodat, R . — Pelagic Flora of the Swiss Lakes 568 
Kozlowski, W. M . — Movements of Diatoms 569 
Migula, W. — Gallionella 569 
Schmidle, W. — Resting-Spores in a Ccdothrix 569 
B. Scliizomycetes. 
Copeman, S. M., & F. R. Blaxall — Action of Glycerin on the Growth of Bacteria 64 
Pesina & Honl — Associated Action of Bacteria 64 
Friedenthal, H . — Influence of the Induced Current on Bacteria 65 
Klein, E . — Relation of Immunising Substances to Specific Microbes 65 
Pammell, L. H. & E . — Gases produced by certain Bacteria 65 
Klein, E . — Abilities of certain pathogenic Microbes to maintain their existence in 
icater 66 
Freudenreich, E. von — Bacteriological Examination of Water for Coli Bacteria.. 66 
Losener, W . — Pathogenic Bacteria in Buried Bodies . . 66 
Sanfelice, F . — Epidemic among Pigeons caused by Bacillus coli communis . . . . 67 
Nicolle, M . — Pigmentary Functions of Bacillus pyocyaneus 67 
