172 PROCEEDINGS OF THE OHIO ACADEMY OF SCIENCE. 



10. Comparative Rate of Growth of Certain Timber Trees. 8 min. 



William R. Lazenby 



11. Inheritance of Taillessness in the Cat. 5 min. 



W. M. Barrows and C. A. Reese 



12. The Cause of Milk Sickness and Trembles. 15 min. E. L. Moseley 



13. Notes on Euglenoidina. 5 min. L. B. Walton 



14. Recent Eruptions of Mount Lassen. 15 min. (Lantern.) 



Thos. M. Hills 



15. Glaciation in the High Sierras. 15 min. (Lantern.) Thos. M. Hills 



16. Inheritance of Weights in Tomatoes. 8 min. (Lantern.) Fred Perry 



17. The Municipal Care of Shade Tress. 25 min. (Lantern.) 



J. S. Houser 



18. Influence of Glaciation on Agriculture in Ohio. 8 min. (Lantern.) 



Edgar W. Owen 



19. The Reflection of X-rays and Gamma Rays from Crystals. 20 min. 



(To be followed by discussion.) S. M. J. Allen 



20. A Class Demonstration of the Peltier Effect. Experimental. 10 min. 



J. A. Culler 



21. Behavior of the Arc in a Longitudinal Magnetic Field. 5 min. 



R. F. Earhart 



22. Effect of Heat Treatment on the Physical Structure, Permeability, 



and Hysteresis of Steel. 10 min. R. J. Webber 



23. The Electron Theory of Metallic Conduction. 20 min. (To be fol- 



lowed by discussion.) A. W. Smith 



24. The Effect of Changes in Water Resistance and Dielectrics on the 



Vibrations of a Lecher System. 10 min. Geo. W. Gorrell 



25. Exhibit of Apparatus for Electric Waves: (1) Drude Apparatus 



for Refractive Index of Electric Waves. (2) A Wavemeter for 



Wireless Frequencies. 8 min. A. D. Cole 



86. 'Some Additions to the Known Orthopterous Fauna of Ohio. 5 min. 



W. J. Kostir 



27. Ohio Spiders. 5 min. W. M. Barrows 



28. The Egg Capsules of a Bdellodrilid on the Crayfish. 10 min. (Lan- 



tern.) Stephen R. Williams 



29. Observations on the Life Histories of Jassidae and Cercopidae. 10 



min. (Lantern.) Herbert Osborn 



30. Habits and Food of the American Toad. 10 min. ReesPhilpott 



31. Note on the Occurrence of Demodex folliculorum var. bovis in 



Ohio. 10 min. D, C. Mote 



32. Arrangement of the Muscles in the Mouth Parts of Embryo Cock- 



roaches and its Bearing on the Phylogeny of the Hexapoda. 6 

 min. L. B. Walton 



33. Winter Record of King Rail in Ohio. 3 min. Edward L. Rice 



34. On the Synthesis of Proteins. 10 min. A. M. Bleile 



35. Additions to the List of Heteroptera of Ohio. 3 min. Carl J. Drake 



