THE MARINE BIOLOGICAL LABORATORY. 303 



I 



5. EVENING LECTURES, 1921. 



Friday, July i, 



DR. W. J. V. OSTERHOUT ' Injury and Recovery." 



Tuesday, July 5, 



DR. E. R. CLARK " The Reaction of Living Cells in 



the Tail of the Frog Larvae to 

 Foreign Substances." 

 Friday, July 8, 



DR. GARY N. CALKINS " Differentiation and Vitality in 



Protozoa." 

 Tuesday, July 12, 



DR. R. S. LILLIE " The Conditions of Growth in 



Living and in Non-living Sys- 

 tems." 

 Friday, July 15, 



DR. WALLACE O. FENN " Phagocytosis." 



Tuesday, July 19, 



DR. E. V. COWDRY " The Conflict between Old and 



New Medicine in China." 

 Friday, July 22, 



DR. G. H. A. CLOWES "Some Physical Chemical Con- 

 cepts of Protoplasmic Structure." 

 Tuesday, July 26, 



DR. H. H. DONALDSON "Rat Studies." 



Friday, July 29, 



DR. I. W. BAILEY " The Significance of the Cambium 



in the Investigation of Certain 

 Cytological and Physiological 

 Problems." 

 Tuesday, August 2, 



MR. WM. L. UNDERWOOD " Adventures of a Sage-brush 



Tourist in Wyoming." 



Friday, August 5, 



DR. E. E. SLOSSON " History from the Standpoint of 



the Second Law of Thermo-dy- 

 namics." 



Monday, August 8, 



DR. S. C. BROOKS " Immunity and Ultra-violet Light." 



