RECORDS OP MEETINGS. 833 



Classes of Trigonometric Series." By W. C. Brenke. Pre- 

 sented by Maxime Bocher. 



" On the Ionization of Fused Salts." By H. M. Goodwin and 

 H. A. Wentworth. 



" On the Coefficients of Compressibility and Expansion of 

 Ether and Alcohol." By A. W. Smith. Presented by Edwin 

 H. Hall. 



" Some Stages in the Spermatogenesis of the Honey Bee." 

 By E. L. Mark and Manton Copeland. 



" On the Thomson Effect and the Temperature Coefficient 

 of Thermal Conductivity in Soft Iron between 114° and 204° 

 C." By Edwin H. Hall, L. L. Campbell, and S. B. Serviss. 



" Contributions to the Cytology of the Entomophthoraceae." 

 By Lincoln Ware Riddle. Presented by W. G. Fallow. 



VOL. XLI. 53 



