438 The American Naturalist. [May, 



Bacillus under Different Conditions, A. \V. Peckham (Presented by J. 

 S. Billings) ; Experiments on the Reflection of the Rontgen Rays, O. 

 N. Rood ; Notes on Rontgen Rays, H. A. Rowland ; Some Studies in 

 Chemical Equilibrium, Ira Remsen; The Decomposition of Diazo- 

 compounds by Alcohol, Ira Remsen ; On Double Halides containing 

 Organic Bases, Ira Remsen ; Results of Researches of Forty Binary 

 Stars, T. J. J. See ; On a Remarkable New Family of Deep-sea Cepha- 

 lopoda and its bearing on Molluscau Morphology, A. E. Verrill ; The 

 Question of the Molluscan Archetype, an Archi-mollusk, A. E. Ver- 

 rill ; On some Points in the Morphology and Phylogeny of the Gastro- 

 poda, A. E. Verrill ; Source of X-Rays, A. A. Michelson and S. W. 

 Stratton ; The Relative Permeability of Magnesium and Aluminum to 

 the Rontgen Rays, A. W. Wright ; The State of Carbondioxide at the 

 Critical Temperature, C. Barus ; The Motion of a Submerged Thread 

 of Mercury, C. Barus ; On a Method of Obtaining Variable Capillary 

 Apertures of Specified Diameter, C. Barus ; On a New Type of Tele- 

 scope Free from Secondary Color, C. S. Hastings ; The Olindiada? and 

 other Medusae, W. K. Brooks ; Budding in Perophora, W. K. Brooks 

 and George Lefevre ; Anatomy of Yoldia, W. K. Brooks and Gilman 

 Drew; On the Pithecanthropus erectm from the Tertiary of Java, O. 

 C. Marsh. 



C. D. Walcott and R. S. Woodward were elected members. 



SCIENTIFIC NEWS. 



Prof. Charles L. Edward9 of the University of Cincinnati is to open 

 a biological station this summer at Biscayne Bay, Florida. The place 

 is well situated for the study of the tropical and sub-tropical flora 

 and fauna, while its situation upon the continent makes it more readily 

 accessible than the West India Islands. There will be opportunity for 

 investigation while less mature students will have lectures and labora- 

 tory instructions. The session begins June 22d, and continues six 

 weeks. A laboratory fee of $25,00 covers tuition, use of apparatus, 

 reagents, etc., and Prof. Edwards estimates the total necessary expenses 

 of each student, including board, railroad fares, etc., at from $100 to 

 $125. It is also proposed to open a department of laboratory supply 

 and to furnish all available material properly prepared at reasonable 

 rates. For further information address Prof. Edwards at the Univer- 

 sity of Cincinnati. 



