24 



SCIENCE 



[S. S. Vol. XXVII. No. 079 



dianapolis, November 28 and 29. President 

 D. M. Mottier presided and, at the opening 

 session, delivered an instructive and interest- 

 ing address on " The History and Control of 

 Sex." The following papers were read either 

 in general session or in the sectional meetings 

 formed by grouping related subjects : 



GENERAL 



" The Origin of Adaptation in the Fresh-Avater 

 Fauna," by C. H. Eigenmann. 



" Spectacles — A Concession to the Theory of 

 Evolution," by A. G. Pohlman. 



"New Science Laboratories in Moore's Hill Col- 

 lege," by A. J. Bigney. 



"A Study of the Sex Ratio in the Fruit Fly," 

 by W. J. Moenkhaus. 



" Some Photographs (lantern slides) of Daniel's 

 Comet, 1907," by W. A. Cogshall. 



" The Celebration by the New York Academy 

 of Sciences of the Two-hundredth Anniversary 

 of the Birth of Linnaeus," by G. W. Wilson. 



" Hand Dexterity," by A. G. Pohlman. 



" The Autopsy in Kelation to the Public Health," 

 by H. R. Alburger. 



"An Investigation of the Fuel Value of Indiana 

 Peats," by R. E. Lyons. 



ZOOLOGY 



" Tardy Humming Birds," by W. B. Van Gorder. 



" The Moulting Mechanism of Lizards " (lantern 

 slides), by H. L. Bruner. 



" A Crow Roost near Remington, Ind.," by F. J. 

 Breeze. 



" The Relation of the Degree of Injury to the 

 Amount of Regeneration and the Moulting Period 

 in Gammarius," by Mary Harman. 



" The Influence of Environment on Man," by 

 Robert Hessler. 



" Some Internal Factors controlling Regenera- 

 tion in Scyphomeduson, Cassiopea Xamachana," 

 by Charles'_Zeleny. 



" Selective Fertilization in Certain Fishes," by 

 W. J. Moenkhaus. 



"Heredity in the Tumor Cell," by H. R. Al- 

 burger. 



" The Circulation through the Fetal Mammalian 

 Heart," by A. G. Pohlman. 



"The Technique of the Three-dimension Recon- 

 struction Model," by A. G. Pohlman. 



" Experiments on the Rate of Regeneration," by 

 M. M. Ellis. 



"Observations on the Senses and Habits of 

 Bats," by W. L. Hahn. 



" Some Notes on the Habits of the Common Box 

 Turtle," by Glen Culbertson. 



BOTANY 



" The Peronosporates of Indiana," by G. W. 

 Wilson. 



" The Existence of Rcestelia pencillata and its 

 Teliosporic Phase in North America," by F. D. 

 Kern. 



"The Heterotype Chromosomes in Piiius and 

 Thuja," by I. M. Lewis. 



" Insect Galls of Indiana," by Mel T. Cook. 



GEOLOGY 



" A Probable Origin of the Small Mounds of the 

 Mississippi and Texas Regions," by A. B. Reagan. 



" Indiana Soil Types," by C. W. Shannon. 



" Structures in the So-called ' Huron ' Formation 

 of Indiana, induced by the Solution of the Missis- 

 sippian Limestone Beneath," by J. W. Beede. 



" Stratigraphy of the Richmond Formation of 

 Indiana," by E. R. Cummings. 



" Some Peculiarities of the Valley Erosion of 

 Big Creek and its Tributaries in Jefferson County," 

 by Glen Culbertson. 



PHYSICS 



" The Cause of Surface Tension," by A. L. Foley. 

 " Loss of Weight in Chemical Reactions," by J. 

 B. Dutcher. 



CHEMISTRY 



" The Electrolytic Production of Selenic Acid 

 from Lead Selenate," by F. C. Mathers. 



" Some Complex Ureids," by James Currie. 



" Thiocarbonylsalicylaniide and Derivatives," by 

 R. E. Lyons. 



" The Volumetric Determination of Selenic 

 Acid," by R. E. Lyons. 



The attendance at the meetings was about 

 seventy-five and the interest shown in the work 

 being done in the state was above the average. 

 New members were elected and the treasurer's 

 report showed a satisfactory condition of the 

 finances. Professor Amos W. Butler, secre- 

 tary of the state board of charities and one of 

 the oldest members, called attention to the fact 

 that two years hence would occur the quarter 

 centennial anniversary of the organization of 

 the academy, and suggested the desirability 

 of a meeting befitting the occasion. As a re- 

 sult plans were started looking to the celebra- 

 tion of the event. The academy's library, 

 which now numbers several thousand volumes 



