231 



Page 



Program of the Tweuty-eiglith Annual Meeting 39 



Protection of Our Rivers from Pollution, by Jay Craven 47 



PufC-Balls of Indiana, Some Notes on 105 



Raccoon Valley, Parke County, Indiana, by Chas. R. Dryer 206 



Report of the Work in Corn Pollination, by M. L. Fisher 87 



Rivers of Indiana, Protection from Pollution 47 



8elenic Acid, New Methods for the Preparation of the Salts of 221 



Spirogyra, Conjugation of 89 



Starcli, Structure and Diagnostic Value of 121 



Streptococci from Milk and the Human Throat, Biometric Study of . . . . 155 



Structure and Diagnostic Value of the Starch Grain, by R. B. Harvey. . 121 

 Terraces of the Wabash Valley in Parke. Verniillidn and Vigo Counties, 



by Chas. R. Dryer 191 



Water Supply of Indiana, by H. E. Barnard 43 



Wood, Penetration of by Zinc Chloride 149 



