Nov., 191 7J Report Ohio Academy of Science 31 



12. Notes on the Protista: — (a) A New Species of Eulreptia; (h) A New 



Classification of the Protista. 10 min L. B. Walton 



13. The Remains of tlie Porcupine foimd in an Ohio Prehistoric Village 



Site. 8 min Wm. C. Mills 



14. Indians of Licking County and Earthworks. 10 min H. A. Alby.n 



15. Suggestions for the Making of a Key to the Seeds and Seed-like Fruits 



of Ohio Plants. 10 min John H. Schaffner 



16. Ray Tracheids of Conifers. 7 min FkiiDA Det.viers 



17. The Nature of Sexual Hereditary Expression in tiie Sporophyte. 10 min. 



John H. Schaffner 



18. The Correlation of the Niagara Formations of Ohio, Indiana and Ken- 



tucky. 10 min Aug. F. Foerste 



19. Pottsville and Allegheny Limestones in Muskingum County, Ohio. 



15 min Wilber Stoit 



20. Further Data on the Maxville Limestone. 5 min G. F. Lamb 



21. Bearing of the Glacial Period on Theories of Evolution. 10 min. 



G. Frederick Wright 



22. Some Glacial Features in Central Ohio. 5 min G. F. Lamb 



23. Some Segments of the Maumee Shoreline near Columbus Grove, Ohio. 



10 min. (Lantern) Frank Carney 



24. A Physiographic Map of North America. 15 min W. N. Thayer 



25. The Nature of Beatricea undulata. 5 min W. H. Shideler 



26. Symposium on Modern Physics: — 



A. Hall Eft'ects in Metals and Alloys, 



Professor A. W. Smith, Ohio State University 



B. Magnetostriction and its Bearing on Magnetic Theories, 



Professor Samuel R. Williams, Oberlin College 



C. A Review of Recent Work in X-Rays, 



Professor S. J. M. Allen, University of Cincinnati 



27. Spermatogenesis of Branchipus vernalis. 7 min Rollo C. B.\ker 



28. Origin of Pre-Auditory Ganglia in Rana. 7 min Ralph A. Knouff 



29. The Origin of Cartilage from Ectoderm in the Urodeles. 10 min. 



F. L. Landacre 



30. Amphibian Blood Transfusion. 10 min R. A. Budington 



31. Observation on the Cytology of the Exudation seen in Lacunar Tonsilitis. 



10 min Hazel C. Cameron 



32. A Contribution to the Origin of the Macrophages seen in the Exudation in 



Pneumonia accompanying Typhoid Fever. 10 min. . .Carl Claron Hugger 



33. The Occurrence of Eosinophilic Leucocytes and the Granule Cells of 



Paneth in the Vermiform Appendix of Man. 5 min James H. Warren 



34. A Study of the Incidence of Pathological Conditions of the Thyroid 



Gland among Dogs in the City of Columbus. 10 min. (Lantern), 



C. I. Reed 



35. Nephroblastic Tumors in Rabbits. 10 min. (Lantern) Ernest Scott 



36. Notes on the Formation of Giant Cells in Tumors. 5 min. 



Jon.\than Forman 



37. Mudballs and Mudflows in the Ordovician Rocks in the Vicinity of 



Cincinnati. 10 min. (Lantern) Walter H. Bucher 



