18 Proceedings of the Ohio State Academy of Science 



6. Two Trematodes in Molluscs of Cedar Point. 6^ min. 



Charles Brookover 

 T. Some additions to the Cedar Point Flora, 'i min. 



O. E. Jennings and E. L. Fullmer 



8. The Bearing of Embryonic Optic Centers upon the Evolution of the 

 Retina and Telencephalon. 6 min. G. E. Coghill 



9. New and Rare Plants of Ohio. 4 min. J. H. Schaffner 



10. Plants from Ohio not recorded in the Ohio List. 3 min. 



Edo Claassen 



11. The Distribution of Moles and Schrews in Ohio. 8 min. J. S. Hine 



12. Beechwood Camp. (Lantern Slides). 10 min. Bruce Fink 



13. Plants recognized on a Waste Place at the foot of Ninth street. Cleve- 

 land, O. 5 min. Edo Claassen 



14. The Life Calendar of Some Native Trees. 6 min. D. G. Simpkins 



15. The Psychology of Speaking. 6 min. J. S. Royer 



16. A Preliminary List of the Myxomycetes of Cedar Point. G min. 



E. L. Fullmer 



17. Spore Formation in Botrydiiiiii granuJatnm Rost. and Wor. (Lan- 

 tern Slides). 10 min. M. F. Stickney 



18. Protozoan Notes L Opaliiia niitotica. II. Eruptive Pseudopodia in 

 Amoeba profcns. 10 min. M. M. Metcalf 



10. The Epibranchial Ganglia of Lcpidosteiis osseiis. 7 min. 



F. L. Landacre. 



20. Another Ohio Rubber Plant. 5 min. Charles Fox 



21. The Early Development of the Vascular System in its Relation to 

 Somatic Movements in Amblystoma. 5 min. Julia L. Moore 



22. Some Adaptive Leaf Hoppers and Their Habitats. (Lantern Slides). 

 10 min. Herbert Osborn 



23. Two new species of EugJena with notes en the Classification of the 

 Genus. 6 min. L. B. Walton 



24. Recent attempts to cause Variations which are Inherited. 8 min. 



W. M. Barrows and G. W. Hood 



25. Unsymmetrical Regeneration in the Gills of the Worm, Protula in- 

 testinalis Lamoroux. Ift min. S. R. Williams 



26. The Classification of the Anthophyta. 8 min. J. H. Schaffner 



27. Ohio Grown Perilla. 5 min. Charles Fox 



28. The Relation of Vegetation to the Chemical Nature of the Sub- 

 stratum. 15 min. Alfred Dachnowski 



29. Further Observations on the Development of the Commisures of the 

 Brain and Cord in their Relation to Somatic Movements in Ambly- 

 toma. 8 min. G. E. Cowgill 



30. Control of the Adrehal Glands. R. G. Hoskins 



31. The Lepidoptera of Ohio. (Preliminary Paper). 5 min. 



W. F. Henninger 



