-26 



GEOLOGICAL SUBJECTS. 

 *8. Glacial and Eolian Sands of the Iroquois and Tippecanoe River 



valleys, 10 m A. H. Purdue 



9. ^The recent earthquakes east of the Rocky Mountains, 10 m. .A. H. Purdue 



10. ^Some minor processes of erosion, 10 m .J. T. ScoviJle 



11. 'Kettle holes at Maxinkuckee, 5 m .J. T. Scoville 



■••12. Fossils from sewer trenches in the glacial drift, 15 m Wm. M. Whitten 



13. Relief map of Arkansas, 10 m John F. Newsom 



MATHEMATICAL SUBJECTS. 



14. Some skew surfaces of the 3d and 4th degree, 15 m C. A. Waldo 



15. ^ A problem in gravitational attraction, 5 m A. W. Duff 



16. Xote relative to Peirce's "Linear Associative Algebra ". . James Byrnie Shaw 



PHYSICAL SUBJECTS. 

 •■'17. Some old and new experiments in sound, 10 ni M. N. Elrod 



18. Variation of a standard thermometer, 10 m Chas. T. Knipp 



19. ^A method of graphically representing the laws of falling- 



bodies, 5 m F. P. Stauffer 



20. Rates of comliustion in locomotive furnaces, 10 m R. A. Smart 



21. The influence of heat, the electric current, and magnetism upon 



Young's Modulus, 15 m Mary C. Noyes 



22. 'The temperature coefHcient of the surface tension of liquids, 



15 m Arthur L. Foley 



23. Strains in steam machinery. 5 m W. F. M. (ioss 



24. The viscosity of a polarized dielectric, 12 m A. W. Duflf 



25. "A modification of the ring method for permeability, 10 m ,V. \V. Duff 



■•26. Some peculiarities in the formation and descent of drops, 5 m. .A. W. Duff 



27. ^The effects of changes of temperature and pressure on viscosity, 



5 m V. W. Duff 



28. < )n the alternating-current dynamo, 15 m W. E. Goldsborough 



••Neither paper nor abstract furnished the Academy for publication; no further men- 

 tion made in the proceedings. 



Note: The titles set off by small numerals are discussed in the body of the proceed- 

 ings under corresponding heads given in the foot notes. 

 .1. The Charleston (Missouri) earthquake. 

 Some minor eroding agencies. 

 Kettle holes near Lake Maxinkuckee. 



4. The gravitational attraction of a homogenous ellipsoid of revolution. 



5. Graphic representation of the law of falling bodies. 

 The surface tension of liquids. 

 A method of measuring permeability. 

 Empirical formula for the temperature variation of viscosity. 



