PROCEEDINGS OF SOCIETIES MEETING IN CON- 

 JUNCTION WITH THE FEDERATION OF AMERI- 

 CAN SOCIETIES FOR EXPERIMENTAL BI- 

 OLOGY; AND OF THE SOCIETY OF 

 AMERICAN BACTERIOLOGISTS 



PAUL E. HOWE 



PrEPARED FROM REPORTS BY THE SecRETARIES, 



CASWELL GRAVE, BRADLEY M. DAVIS, CHARLES R. STOCKARD 



AND A. P. HITCHENS 



Contents. (I) The American Society of Zoologists (Eastern and Central 

 Branches), Caswell Grave, Secretary, 294; (II) The American Society of Natur- 

 alists, Bradley M. Davis, Secretary, 296; (III) The American Association of 

 Anatomists, Charles R. Stockard, Secretary, 297; (IV) The Society of American 

 Bacteriologists, A. P. Hitchens, Secretary, 299. 



I. THE AMERICAN SOCIETY OF ZOOLOGISTS 



Caswell Grave, Secretary 



The Central aiid Eastern branches of The American Society of 

 Zoologists met in Joint session at the University of Pennsylvania, 

 Philadelphia, December 29th, 191 3, to January ist, 1914, inclusive, 

 in conjunction with The American Society of Naturalists, The 

 American Association of Anatomists, and the Federation of Ameri- 

 can Societies for Experimental Biology. The titles of papers of 

 particular biochemical interest are appended : 



/. F. McClendon: On the parallelism between increase in per- 

 meability and abnormal development of fish eggs. — A. Richards: 

 The effect of X-rays on the rate of cell division in the early cleavage 

 of Planorbis. — 6'. Morgulis, P. E. Howe and P. B. Hazvk: A micro- 

 scopical investigation of tissues from dogs which fasted for ex- 

 tremely long periods of time. — G. L. Kite: The molar structure of 

 protoplasm. — Henry Laurens: The reactions of normal and eyeless 

 amphibian larvae to light. — O. C. Glaser: An analysis of the egg 

 extractives of Arbacia and Asterias. — A. A. Schaeffer: Feeding 



294 



