164 The American Naturalist. [February, 



T. H. Morgan ; " Cell Size and Body Size," by Prof. E. G. Conklin ; 

 " The Development of Isolated Bastomeres of the Egg of Amphioxus," 

 by Prof. T. H. Morgan ; and " On the Smallest Part" of Stentor Cap- 

 able of Regeneration," by F. R. Lillie (read by the Secretary). The 

 following officers were elected for the ensuing year : President, Prof E. 

 L. Mark, Harvard University ; Vice-President, Prof. H. F. Osborn, 

 Columbia College; Secretary and Treasurer, Dr. G. H. Parker, Har- 

 vard University. Members of the Executive Committee elected from 

 the Society ut huge. Prof. K. < i. Conkliu, University of Pennsylvania. 

 and Prof. W. Patten, Dartmouth College. 



At the third session, December 28, the following papers were read 

 and discussed : " Gastrulation ofTeleosts," by Dr. Bashford Dean ; 

 " Pigment Changes in the Eye of Palamionetes," by Dr. G. H. Parker " 

 "Reaction of Metridium to Food and other Substances," by Dr. G. H. 

 Parker; "Some Points in the Anatomy of A uoplocephaline Cestodes," 

 by Dr. C. W. Stiles; and " Development of Cassiopea from Buds," by 

 Dr. R. P. Bigelow. Aftei passing resolutions of thauks to the Uni- 

 versity of Pennsylvania, the American Philosophical, Society, and 

 the Philadelphia Loral < 'oinmittee, tie' Society adjourned .une die. 



The American Society of Naturalists—Met in the Hall of 

 Department of Arts and Sciences of the University of Pennsylvania, on 

 Thursday December 26th and Friday, December 27th, 189-3. Thurs- 

 day Dee. 26th, 2 P. M. I. Reports of Committees. II. Special Reports. 

 III. Recommeudation of new members. IV. Address by the President, 

 E. D. Cope. " The Formulation of the Natural Sciences." V. Special 

 Papers, Prof. B. Wilder on the teaching of Comparative Anatomy. 

 8 P. M. Illustrated Lecture at the Hall of the Academy of Natural 

 Sciences, by Professor W. \\, Scott, of Princeton University, on "The 

 American Tertiary Lakes and their Mammalian Faunas." 9 P. M. 

 lieeeption to all the Societies given by Professor Horace Jayne, at hi> 

 house on the S. E. corner of 19th and Chestnut Streets. Friday, Dec- 

 ember 27th, 9 A. M. The following new members were elected : Profes- 

 sor C. L. Bristol, Dr. F. C. Kenyon, Dr. W. E. Rotzell,L.O. Howard, 

 Professor John Dewey, G. H. Girtz, Dr. A. I). Mead, Professor G. S. 

 Fullerton, Professor J. McK. Cattell, Professor G. T. Ladd, Reid 

 Hunt, Professor William James, Dr. F. Baker, Dr. G. E. Stone, Profes- 

 sor J. M. Baldwin, Dr. T. S. Palmer, George Lefever, 



The following officers were elected for the ensuing year : President, 

 Prof. Wm. B. Scott, of Princeton College ; Vice-Presidents, Prof. Wm. 

 G. Farlow, of Harvard; Prof. C. O. Whitman, of Chicago University; 

 Dr. Theodore (iill, of the Smithsonian Institution; Secretary, Dr. H. 



