Proceedings of the Ohio State Academy of Science 19 



32. Natural Histor}' Notes on Birds and Insects. 15 min. Charles Dury 

 38. Some Unusual Insect Occurrences During 1911. 7' min. 



Herbert Osboni 



34. The Upper Devonian and Mississippian Formation. 15 min 



C. S. Prosser 



35. Notes on Recent Observations of Glacial Erosion. (Lantern Slides). 

 10 min. Frank Carney 



36. The Springfield Esker. 5 min. C. G. Shatzer 

 3'7. The Newf Geologic Time Table of Ulrich. (Lantern Slides). 10 min. 



F. L. Fleener 



38. An Abandoned Valley near Cedarville, O. 12 min. C. R. Miller 



39. The Geology of the Baraboo District. 15 min. W. C. Morse 



40. A Geographic Interpretation of Cincinnati. (Lantern Slides). 10 

 min. Edith M. Southall 



41. Contact of the Bedford and Berea Formations in Ohio. 10 min. 



C. S. Prosser 



42. Glaciation in the Bitter Root Mountains of Montana. 10 min 



T. M. Hills 



43. The Petrographic Character of Ohio Sands with Relation to their 

 Origin. 10 min. D. D. Condit 



44'. Wave Work Along the West Shore of South Bass Island. 5 min. 



Clara G. Mark 



45. The Drainage History of Moots Run, Licking Countv. Ohio. CLan- 

 tern slides). 10 min.- D. J. Tight 



46. A Preliminary Ecological Survey of Shaking Prairie, Miami County, 

 Ohio. 8 min. W. D. Smith 



47. On the Preglacial Drainage of South-western Ohio and Adjacent 

 States. 15 min. N. M. Fenneman 



48. Evolution in the Mechanism of Inheritance. IS' min. M. M. Metcalf 



49. A Phase in the Theory of Evolution. 20 min. W. F. Mercer 



50. The Relation of Forests to Floods. 10 min. J. Warren Smith 

 Lecture by Hon. Julius F. Stone, "Through the Grand Canyon of 

 Colorado River." ' 



