CONTENTS. XXXI 



Protopliyta. , 



a. Scliizopliyeese. 



PAGE 



Castracane, F. — Reproduction and Multiplication of Diatoms Parti 22 



HiEBONYMUS, G. — Dicranochsete, a new Genus of Protococcacesc „ 101 



Deby, J. — Structure of Dvitom-valves ,, 101 



KiTTON, F. — New Species of Navicula „ 101 



Castkacane, Count F. — Diatoms of Hot Springs „ 102 



„ „ Comp)ositioii of the Marine Tripolis of the Valley 



of Metaurus „ 102 



Hansgirg. a. — Classification of the Cyanophycese „ 102 



BoRNET, E., & C. Flahault — Heterocystous Nostocacex „ 103 



TOMASCHEK, H. — Relationship of Bacillus muralis and Glaucothrix gracillima „ 103 



Castbacane, F. — Antiquity of Diatoms Part 2 266 



WiLDEMAN, E. DE — Scenedesmus Part 3 427 



PeragallO — Mediterranean Diatoms „ 427 



BcamTiT's Atlas der Diatomaceenkunde „ 428 



Hansgirg, A. — Bacillus muralis and Grotto-Schizophyceie „ 428 



Gobi, C. — Peromelia, a New Genus of Schizophycese Part 4 565 



Cunningham, D. D. — Stomatochytrium, a new Genus of Endopyhytic Proto- 



coccacese „ 565 



Hansgirg, A. — Tetraedron ,, 566 



Terry, W. A. — Movements of Diatoms cmd Oscillaria „ 566 



Smith, T. F. — Valve of Pleurosigma ,, 566 



Kain, C. H., & E. A. ScHULTZE — Fossil Marine Diatoms , 566 



Macchiati, L. — Synedra puhhella, Ktz., var. abnormis „ 566 



Hansgirg, A. — Classification of Cyanophycem , 567 



Prantl, K. — Parasitism of Nostoc 567 



Castracane, F. — Cyclophora Part 5 683 



„ „ Diatoms of African Tripoli „ 683 



Correns, C. — Growth of the Cell-wall hy Intussusception in some Schizophyceie Part 6 793 



Imhauseb, L. — Prasiola 793 



BoENET, E. — Heterocystous Nosiocacese, . . ,, 793 



MtJLLEE, O. — Movements of Diatoms 793 



„ ,, Auxospore of Terpsinoe 794. 



Weed, "W. H. — Diatom-beds of the Yellowstone .. ., 794 



13. Schizomycetes. 



Billet, A. — Bacterium Balhianii, a chromogenous marine Bacterium .. .. Parti 104 



Salkowski. E. — Ferment from putrefactive Bacteria „ 104 



Wakkbr, J. H. — Contributions to Vegetable Pathology 105 



Engelmann, T. W. — Purple Bacteria and their relation to Light .. .. „ 105 



Belfanti & Pescaeolo — Pathogenic Bacterium found in Tetanus .. .. „ 105 



SoEOKiN, N. — Algophaga pyriformis ^^ 106 



XilNDNEE, P. — Sarcinie of Fermentation 106 



Feaenkel, C, & E. Pfeipeee — Photomicrographic Atlas of Bacteriology . . „ 107 



Wigand, a., & E. Denneet — Protoplasm considered as a Ferment Organism „ 107 



ScHULZ, H. — Yeast-poisons IQ3 



Bittee, H. — Doctrine of Phagocytes Part 2 267 



HiLTNEE — Bacteria of Fodder and Seeds 268 



Zaslein, T. — Varieties of Eoch' s Comma Bacillus 269 



Ppuhl — Spore-formation in the Bacillus of Typhoid Fever 269 



Heeicouet, J., & Ch. EiCHET — Staphylococcus pyosepticus „ 269 



Kitasata, S. — Resistance of the Cholera Bacteria to Heat and Drying . . „ 270 



