July '30, l!)0!i | 



SCIENCE 



159 



ical laboratory of the Mcilaster University, 

 Toronto, Canada. Alfred Tingle 



Laboratory of the Chih li Bureau and 

 THE Imperial Chinese Pei Yang Mint, 

 Tientsin, April 11, 1909 



SOCIETIES AND AOADEMIES 



the OHIO ACADEMY OF SCIENCE 



The eighteenth annual meeting of tlie academy 

 was held at Denison University, Granville, 0., 

 on November 20, 27 and 28, the president of the 

 society, Professor Frank Carney, presiding. On 

 Thursday evening a reception was held at the 

 residence of President and Mrs. Emory W. Hunt, 

 of the University, where a most enjoyable evening 

 was passed by the considerable number of mem- 

 bers present. Accommodations for members had 

 been generously made by the university authori- 

 ties, who had placed the dormitories at the dis- 

 posal of the society. The sessions were held in 

 Barney Memorial Hall. 



The address of the president on " The Raised 

 Beaches of the Berea, Cleveland and Euclid Quad- 

 rangles " occurred at 1:30 P.M. Friday, while in 

 tlie evening, at 7:30, Professor E,. S. Tarr, of Cor- 

 nell University, discussed " The Glaciers of Mount 

 St. Elias and Vicinity," giving an account of his 

 recent trip, which was illustrated by a large num- 

 ber of interesting lantern slides. 



A discussion of much practical importance was 

 that on " The Preservation and Development of 

 tlie Natural Resources of Ohio," the geological 

 side of which was presented by Professor J. A. 

 Bownoekor, the forestry side by Professor W. L. 

 l.azenhv and the biological side by Professor Her- 

 bert Osborn. 



The complete program of the meeting was as 

 follows: 



"Notes on Spondylomorum quaternariu/m Ehrb.," 

 by M. E. Stickney. 



"The Pteridophyte Flora of Ohio," by J. H. 

 Schaflner. 



" Injury to Trees by the Season's Drouth," by 

 W. R. Lazenby. 



" Snails Collected at Cedar Point, O., during 

 July, 1908," by S. R. Williams and J. K. Breiten- 

 becher. 



" The Making of a Naturalist's Directory," by 

 F. J. Hillig. 



" Tlie Occurrence of a New Species of Land 

 Planarian in Ohio, with Notes on the Common 

 Species, Rhynchodemus sylvaticus Leidy," by L. 

 B. Walton. 



"The Behavior of the Opossum (DidcJphijs 

 virginiana) ," by G. E. Coghill. 



" Differentiation of the General Cutaneous and 

 Visceral Ganglia in Ameivrus," by F. L. Land- 

 acre. 



" Some Aspects of Amitosis in Synchytrium," 

 by R. F. Griggs. 



" Direction of Flow of Encephalic Fluid in Amia 

 calva L.," by Chas. Brookover. 



"Recent Evaporation Investigations," by J. 

 Warren Smith. 



" Adaptation in a Desert Lichen Flora," by 

 Bruce Fink. 



" Notes on the Ohio Flora," by J. H. Schaflner. 



" The Laboratory Method for Beginning Stu- 

 dents," by Maximilian Braam. 



" Protective Encystment in Phagocata gracilis," 

 by L. D. Peaslee. 



" Cell Division in the Pollen Mother Cells of 

 Anthemis coUila L.," by M. E. Stickney. 



" Mitosis in Opalina," by M. M. Metcalf. 



" A Preliminary Report on the Nuclear Divi- 

 sions in the Pollen Mother Cell of Gonvalluria 

 majalis L.," by L. W. Sauer. 



" Is Synizesis an Artifact? " by J. H. Schaffner. 



" A Preliminary Note on the Chondrocranium 

 of Eumeces," by E. L. Rice. (Slides.) 



" Notes on the Growth of the Western Catalpa 

 {Oaialpa speciosa) ," by W. R. Lazenby. 



" Faulty Specimens for Nature Study, and how 

 Good Ones may be Prepared," by Chas. Drury. 



"Cancer in Mice (Mus musculus) ," by E. F. 

 McCampbell. 



" Relation of Rainfall to Crop Yield," by J. 

 Warren Smith. 



" Removal of the Showy Parts of Flowers as 

 afi'ecting Fruit and Seed Produced," by A. H. 

 McCray. 



" The Coals of the Monongaliela Formations in 

 Ohio," by J. A. Bownocker. 



" Fresh Light on the Chronology of the Glacial 

 Epoch in North America," by G. F. Wright. 

 (Slides.) 



" Glacial Erosion in the Canadian Selkirks," by 

 L. G. Westgate. (Slides.) 



" Some Effects of Glacial Erosion in the Alps," 

 by N. M. Fenneman. 



" The Raised Beaches of Lake Huron," by W. 

 JI. Gregory. 



" Rock Terraces along Streams in the Vicinity 

 of Columbus, O.," by G. D. Hubbard. 



" Ecologic Notes from Boechwood Camp," by 

 Bruce Fink. 



" The Systematic Position of Apathus elatus," 

 by A. H. McCray. 



" Observations on tlie Tick, Bryobia pretensis 

 Garman," by S. R. Williams. 



