180 



SCIENCE. 



[N. S. Vol. IX. No. 214. 



' The Maximum Gravitational Attraction at 

 the Pole of a Spheroid.' E. F. Chandler. 



' Combinations of Pythagorean Triangles as 

 giving Exercises in Computation.' T. H. Saf- 

 ford. 



' A Study of the Class of Electric and Mag- 

 netic Oscillations known as Aphotic' J. E. 

 Davies. 



' Some Facts in Regard to the Development of 

 Epischura.' C. D wight Marsh. 



' The Block System of Arranging Insect Col- 

 lections. ' Harriet B. Merrill. 



'Spines of Trilobites and their Significance.' 

 G. L. Collie. 



' TheCrystallography of a Gold Telluride from 

 Cripple Creek,' and 'The Crystallography of 

 a new Reduction Product of Terpene.' W. H. 

 Hobbs. 



' The Volume Relations of Original and Sec- 

 ondary Minerals in Rocks.' C. R. Van Hise. 



' The Electrical Properties of Non-Acjueous 

 Solutions'. A. T. Lincoln. 



' The Effects of the Presence of pure Metals 

 upon Plants.' Louis Kahlenberg and E. B. 

 Copeland. 



' Revision of the Pronouns, with Special Con- 

 sideration of Relatives and Relative Clauses. ' E. 

 T. Owen. 



The number of new members elected was 14. 

 The active members of the Academy now num- 

 ber 200. 



A. S. Flint, 

 Secretary. 



Madison, Wis. 



the ohio academy of science. 

 The Ohio Academy of Science held its eighth 

 annual meeting at Columbus, Ohio, on Decem- 

 ber 29 and 30, 1898, in Orton and Zoological 

 Halls of the Ohio State University. Eighteen 

 new members were elected. Hon. Emerson 

 McMillen, a life member of the society, donated 

 the sum of $250 to be applied as the trustees of 

 the Society may see fit, for the encouragement 

 of investigation. Officers were elected for the 

 coming year as follows : President, Professor 

 G. Frederick Wright, of Oberlin ; Vice-Presi- 

 dents, Chas E. Albright, of Columbus, and A. 

 D. Selby, of Wooster ; Secretary, E. L. Mosely, 

 of Sandusky ; Treasurer, Professor Herbert Os- 



born, of Columbus ; Executive Committee, E. 

 E. Masterman and G. H. Holferty ; Publication 

 Committee, F. M. Webster, of Wooster. 



Professor W. G. Tight, of Dennison Univer- 

 sity, delivered the retiring President's address 

 on the subject ' Geographical Teaching and the 

 Geography of Ohio.' 



The following papers were read : ' A Deep 

 PreGlacial Channel in Western Ohio and East- 

 ern Indiana,' by J. A. Bownocker ; 'The Di- 

 vision of the Macrospore Nucleus of Erythro- 

 nium,' 'Two Interesting Filamentous Bacteria 

 from Columbus' and 'Nutation of the Cultivated 

 Sunflower,' by John H. Schafifner ; 'Some Re- 

 cently Discovered Pre Glacial Cols in Ohio,' 

 'A Galenite Geode from Muskingum Co.' and 

 ' A Pocket Instrument for the Approximate De- 

 termination of Distance by Triangulation,' by 

 W. G. Tight ; ' Some Observations on Unio 

 subovatus,' by F. L. Landacre ; 'Some Obser- 

 vations on the Topography of Athens and Vi- 

 cinity,' by H. E. Chapin and C. H. Stearns; 

 ' The Laboratory and the Field — Their Relative 

 Importance,' by H. E. Chapin ; ' A Contribu- 

 tion to the Knowledge of the Faunistic Ento- 

 mology of Ohio,' 'Some Notes on the Grape 

 Cane Gall Maker, Ampeloglypter sesostris,' and 

 ' Some Apparent Relations of Ants to Peach 

 aphis, A. persiceeniger,' by F. M. Webster; 

 ' Some Observations on the Pre-Glacial Drain- 

 age of Wayne and Associate Counties,' by J. 

 H. Todd ; ' A Plea for Science Teaching in the 

 Public Schools,' by Miss Mary E. Law ; ' Notes 

 on Ecological Plant Geography of Summit, 

 Wayne and Medina Counties' and ' Field 

 Notes,' by A. D. Selby; ' Some Sources of the 

 Ohio Flora, '-by A. D. Selby and J. W. T. Du- 

 vel ; 'Notes on Fasciation,' 'Some Abnormal 

 Plant Specimens' and ' Further Studies in Em- 

 bryology,' by Miss L. C. Riddle ; ' Distribution 

 of the Microscopic Fungi,' 'Reliability of Spore 

 Measurements of the Fleshy Fungi,' ' The Illi- 

 nois Biological Station' and ' Occurrence of 

 Phalli near Cleveland,' by H. C. Beardsley ; 

 'Climate of the Philippine Islands,' ' Life in the 

 Philippines' and ' Some Rare Ohio Plants,' by 

 E. L. Mosely ; ' Development of the Micro- 

 sporangium of Semerocallis fulva,' by E. L. Full- 

 mer ; ' Lichens New to Ohio,' ' List of Phseno- 

 gams New to Ohio or Rare in and New to Coun- 



