20 



PROGRAM 



OF THE 



TWENTY-THIRD ANNUAL MEETING 



OF THE 



INDIANA ACADEMY OF SCIENCE, 



SHORTRIDGE HIGH SCHOOL, INDIANAPOLIS. 

 NOVEMBER 28 AND 29, 1 907. 



♦President's Address — History and Control of Sex D. M. Mottier 



GENERAL. 



* 1 The Origin of Adaptation in the Fresh Water Fauna. 15ni C. H. Eigenmann 



* 2. Spectacles — A Concession to the Theory of Evolution, 20ni A. G. Pohlraan 



* 3 New Science Laboratories in Moore's Hill College, lOni .\. J. Bigney 



* 4. A Study in the- Sex Ratio in the Fruit Fly, 15m W- .1, Moenkhaus 



* 5 Some Photoaxaphs (Lantern Slides) of Daniel's Comet, 1907, 20m W. A. Cogshall 



* 6 The Celebration by the New York Academy of Sciences of the Two Huntiredth .Anniversary of the 



Birth of Linnaeus, 10m G. W. Wilson 



7. Hand Dexterity, 15m AG. Pohlman 



8 The Autopsy in Relation to the Public Health, 12m H R. Alburger 



* 9. An Investigation of the Fuel Value of Indiana Peats, 12m RE. Lyons 



*() 

 *10 

 *11 



12 

 *13 

 *]4 



ZOOLOGY. 



Tardy Humming Birds, 5m W. H \'an (iorder 



The Moulting Mechanism of Lizards (Lantern Slides), 20m H. L. Bruner 



A Crow Roost near Remington, Ind., 5m F.J. Breeze 



The Relation of tht Degree of Injury to the Amount of Regeneration and the Moulting Period in Gam- 



marius, 15m Mary Harman 



The Influence of Environment on Man, 15m Robert Hessiei 



Some Internal Factors Controlling Regeneration in Scyphomedu.son, ('as.siopea .Xaniaihana. 10m. . . . 



Charles Zeleny 



Selective Fertilization in Certain Fishes. 10m W.J. Moenkhau' 



Heredity in the Tumor Cell. 15m H. R. Albiu-ger 



The Circulation Through the Fetal Mammalian Heart, 15m A. G Pohlman 



The Technique of the Three Dimension Re(onstruction Model, 15m .\ G Pohlman 



Experiments on the Rate of Regeneration, 10m MM. Ellis 



Observations on the Senses and Habits of Bats, lOni W L. Hahn 



Some notes on the Habits of the common Bux TurtL, 5m - (Jlenn Culbertson 



Notes on Ecology of the I'itclicr Plant M. M Ellis 



