CONTENTS. 
XXXI 
Dietel, P .—Researches on Ur e din ex 
Barclay, A. — Uromyces Cunning liamianus sp. n 
Magnus, P . — Diorchidium 
Prillieux, E., & Delacroix — Parasite of the Cockchafer .. 
Thaxter, It . — New Genera of Hyphomycetes 
Ludwig, F . — Mucilaginous Slime on Trees 
Busquet, G. P . — New Achorion , A. Arloini 
Mycetozoa. 
Rex, G. A . — Development of Myxomycetes and new Species . . 
Wingate, H. — Orcadella , a new Genus of Myxomycetes 
Protophyta. 
a. Schizophyceae. 
Levi-Morenos, D . — Defensive structure of Diatoms 
Imhof, O. E . — Pelagic Diatoms 
Weed, W. H. — Vegetation of Hot Springs 
Beyerinck, M. W . — Zoochlorellx and Lichen-gonids 
Zukal, H . — Diplocolon and Nostoc 
GOMONT, M . — Oscillariacex 
Lanzi, M . — Classification of Diatoms 
Cox, J. D . — Nutrition and Movements of Diatoms 
Famintzin, A . — Symbiosis of Algx and Animals 
Tries, H. de — Aquatic Vegetation in the Dark 
Hieronymus, G . — Dicranochxte 
Cox, J. D., & M. J. Tempere — Coscinodiscex 
Cleve, P. T . — New Genera of Diatoms 
Muller, O . — Diatoms from Java 
Duchesne, L., & J. Pelletan — Pearls of Pleurosigma angulatum 
Cox, J. D . — Deformed Diatoms 
Hariot, P . — Polycoccus 
Macchiati, L . — Movement and Reproduction of Diatoms 
Schmidt’s Atlas der Diatomaceen-Kunde 
Borzi, A. — Dictyosphxrium, Botryococcus, and Porphyridium 
Massee, G . — Dictyosphxrium 
Onderdonk, U., & R. W. Haskins — Movements of Diatoms 
Reinhard, L . — Glceochxte 
Deby, J. — The Idea of Species in Diatoms 
Tempore, J., & H. Peragallo — Diatoms of France 
Brun, J., & W. H. Shrubsole — New Genera of Diatoms .. 
Peragallo, H . — Monograph of Pleurosigma 
Deby, J . — Auliscus 
Part 6 
i) 
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Part 2 
Part 3 
Part 1 
Part 2 
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Part 3 
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Part 4 
Part 5 
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Part 6 
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&. Schizomycetes. 
Migula, W. — Drawings of Bacteria Part 1 
Griffiths, A. B. — Researches on Micro-organisms „ 
Miquel — Milk and Coffee , and their Relation to Microbes „ 
Rafter, G. W., & M. L. Mallory — Septic and Pathogenic Bacteria . . „ 
Billet, A. — Study of Morphology and Development of Bacteriacex .. .. „ 
Lustig, A. — Red Bacillus from River Water „ 
Guignard, L. — New Marine Schizomycete , Streblothricia Bornetii .. .. „ 
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