4O MARINE BIOLOGICAL LABORATORY. 



Tuesday, July 27, 

 THE WILLIAM THOMPSON SEDG- 

 WICK MEMORIAL LECTURE, de- 

 livered by PROFESSOR T. H. 



MORGAN " Genetics and the Physiology of 



Development." 

 Friday, July 30, 



PROFESSOR L. MICHAELIS "The Properties of Certain Arti- 

 ficial Membranes as a Model 

 for Cell Membranes." 

 Tuesday, August 3, 



DR. MARSHALL A. HOWE " Reef-building and Land- form- 

 ing Plants." Illustrated. 

 Friday, August 6, 



DR. H. S. REED " The Absorption of Kations and 



Anions by Plant Roots." 

 Friday, August 13, 



DR. H. D. FISH " Biology Students in British Gui- 

 ana." Illustrated. 

 Thursday, Sept. 9, 



DR. HANS DRIESCH. ..."The Problem of Freedom." 



6. MEMBERS OF THE CORPORATION. 

 i. LIFE MEMBERS. 



ALLIS, MR. E. P., JR., Palais Carnoles, Menton, France. 



ANDREWS, MRS. GWENDOLEN FOULKE, Baltimore, Md. 



BILLINGS, MR. R. C, 66 Franklin St., Boston, Mass. 



CLARKE, PROF. S. F., Williamstown, Mass. 



CONKLIN, PROF. EDWIN G., Princeton University, Princeton, N. J. 



CRANE, MR. C. R., New York City. 



EVANS, MRS. GLENDOWER, 12 Otis Place, Boston, Mass. 



FAY, Miss S. B., 88 Mt. Vernon St., Boston, Mass. 



FOOT, Miss KATHERINE, Care of Morgan Harjes Cie, Paris, 

 France. 



GARDINER, MRS. E. G., Woods Hole, Mass. 



HARRISON, EX-PROVOST C. C., University of Pennsylvania, Phila- 

 delphia, Pa. 



JACKSON, Miss M. C., 88 Marlboro St., Boston, Mass. 



