NOTES AND COMMENT 



351 



George Clyde Fisher: Seed Development in the Genus Peperomia. 

 LoN. A. Hawkins: The Influence of Calcium, Magnesium and Potassium 

 Nitrates upon the Toxicity of certain Heavy Metals toward Fungous Spores. 



Harvard University 



Rollins Adams Emerson: (a) A Genetic Study of Plant Height in Phaseo- 

 lus vtdgaris: (b) The Inheritance of a Recurring Somatic Variation in Variegated 

 Ears of Maize. 



John William Hotson: Culture Studies of Fungi Producing Bulbils and 

 similar Propagative Bodies. 



James Watt Mayor: Studies on Myxosporidia found in the Gall Bladder of 

 Fishes from the Eastern Coast of Canada. 



Edmund Ware Sinnott: The Morphology of the Reproductive Structures 

 in the Podocarpineae. 



Yale University 



Willis Clarke Xoble, Jr.: Some Investigations into the Distribution and 

 Habitat of the Tetanus bacillus. 



University of Chicago 

 George Lester Kite: The Relative Permeability of the Surface Protoplasm 

 of Animal and Plant Cells. 



University of Michigan 

 Frank Caleb Gates: The Relation of Winter in the Xerofyty of Peat Bog 

 Eric ads. 



Walter Btron McDougall : On the Mycorhizas of Forest Trees. 

 Charles Herbert Otis : Transpiration of Emersed Water Plants : its Measure- 

 ment and its Relationships. 



University of Pennsylvania 

 Thomas Franklin Manns : Some New Bacterial Diseases of Legumes and the 

 Relationships of the Organisms Causing the Same. 



Jacob Joseph Taubenhaus: Diseases of the Sweet Pea. 



University of Wisconsin 

 Irving E. Melhus: Germination and Injection in Certain Oomycetes. 

 William Harold Peterson: Forms of Sulphur in Plants. 

 Roy Lee Primm: Some Phenomena associated with Cellulose Fermentation. 

 Nellie Antoinette Wakeman: Plant Pigments other than Chlorophyll. 



Washington University 



Jacob Richard Schramm: A Contribution to our Knowledge of the Problem 

 of Free Nitrogen Fixation in Certain Species of Grass-green Algae with special 

 reference to Pure Culture Methods. 



Mildred Webster Spargo Schramm: The Genus Chlamydomonas. 



Charles Oscar Ch.vmbers: The Relation of Algae to Dissolved Oxygen and 

 Carbon Dioxide with special reference to Carbonate. 



