Journal of Applied Microscopy. '249 



A. E. Verrill: I. Some Remarkable Variations and Monstrosities of our Common Starfish 

 (demonstrations). 

 2. Several Curious Species of Actinians that Incubate or Carry their Eggs 

 and Young attached to the body externally (illustrated). 

 G. H. Parker : Longitudinal Fission in Metridium. 

 C. W. Hargitt: i. Early Development of Pennaria Tiarella. 



2. Grafting Experiments upon Hydromedusae. 

 H. W. Rand: Regeneration and Regulation in Hydra viridis (presented by C. B. Davenport). 

 W. M. Wheeler : Life History of Dicyema. 

 F. H. Herrick : Hasmatococcus. 



SOCIETY FOR PLANT MORPHOLOGY AND PHYSIOLOGY. 



Dr. W. W. Rowlee, Cornell University : The Morphological Characters upon which the 



Genus Chamitea is based. 

 Dr. J. W. Harshberger, University of Pennsylvania : Some Peculiar Morphological Features 



of Paulownia Imperialis. 

 Dr. W. F. Ganong, Smith College: The Life-history of Leuchtenbergia Principis (abstract). 

 Professor B. D. Halsted, New Jersey Agricultural College : The Starch of Stomatic 



Guard-cells. 

 Mr. F. E. Lloyd, Teachers' College: Further Notes on the Embryology of the Rubiaceae. 

 Mr. Charles H. Shaw, University of Pennsylvania : The Inflorescences and Flowers of Poly- 



gaJa Polygama. 

 Mr. R. E. B. McKenney, University of Pennsylvania : Observations on some Monocotyledo- 



nous Embryo-sacs. 

 Mr. R. E. B. McKenney, University of Pennsylvania: The Structure and Relation of the 



Crystal Cells in Sensitive Plants. 

 Miss Emelia B. Smith, University of Pennsylvania: The Structure and Parasitism of Aphy- 



lon Uniflorum. 

 Dr. M. a. Howe, Columbia University : On the Occurrence of Tubers in the Hepaticae. 

 Dr. Henry Kraemer, Philadelphia College of Pharmacy : Morphology of the Genus Viola. 

 Dr. G. E. Stone, Massachusetts Agricultural College : Influence of Electricity upon Plants. 

 Dr. C. O. Townsend, Maryland Experiment Station: Relations of Irritation to Growth. 

 Dr. Erwin F. Smith, Department of Agriculture : Sensitiveness of Certain Parasites to the 



Acid Juices of the Host Plants. 

 Dr. Carleton C. Curtis, Columbia University: Further Observations on the Relations of 



Turgor to Growth. 

 Dr. W. F. Ganong, Smith College : Some Appliances for the Elementary Study of Plant 



Physiology. 

 Professor D. T. MacDougal, University of Minnesota : Symbiosis and Saprophytism. 

 Professor D. T. Mac Dougal, University of Minnesota : Influence of Inversions of Tempera- 

 ture and Vertical Currents of Air upon the Distribution of Plants. 

 Dr. W. G. Farlow (Presidential Address): Peculiarities of the Distribution of Marine Algae 



in North America. 

 Professor H. F. Osborn : Collections of Fossil Mammals and their Care. 

 Professor G. F. Atkinson, Cornell University : Notes on some Wood-destroying Fungi. 

 Professor Conway McMillan, University of Minnesota : Some Notes on the Reproduc- 

 tion and Development of Nereocystis. 

 Dr. R. a. Harper, University of Wisconsin : Preliminary Account of Sexual Reproduction in 



Pyranema Confluens. 

 Mr. T. a. Williams, Department of Agriculture : On the Morphology and Physiology of 



Certain Lichen Structures. 

 Dr. E. a. Burt, Middlebury College : The Formation and Structure of the Dissepiment in 



Porothelium. 

 Professor D. P. Pen hallow, McGill University: A Species of Osmunda from the Lower 



Cretaceous. 

 Dr. Erwin F. Smith, Department of Agriculture : Gelatin Culture Media. 

 Dr. Charles E. Bessey, University of Nebraska: Notes on the Relative Infrequence of 



Fungi upon the Trans-Missouri Plains and the adjacent Foot-hills of the Rocky Mountain 



Region. 



