280 FINAL ACT OF SECOND PAN AMERICAN SCIENTIFIC CONGRESS. 



The Mechanistic Theory of Cancer. 



G. A. H. CLOWES, Gratwick Laboratory, Research Hospital, Buffalo, 

 N. Y. 



Radium in Experimental Cancer. 



F. C. WOOD, Crocker Laboratory, Columbia University, New York 



City. 

 WILLIAM DUANE, Harvard Medical School, Boston, Mass. 



Pathology of Experimental Cancer. 



J. EWING, Cornell University Medical College, New York City. 



Laboratory Diagnosis of Cancer Sero-Diagnostic Methods in Cancer The 



Reactions of Freund v. Dungern, and Abderhalden. 

 A. F. COCA, Cornell University Medical College, New York City. 



Teratoma of the Tuber Cinereum. 



C. A. Bosco, Buenos Aires, Argentina. 



FRIDAY MORNING, JANUARY 7, 19169 O'CLOCK. 

 Thirteenth General Session of Section Vm. 



RED PARLOR, NEW EBBITT HOTEL. 



GARY N. CALKINS, Chairman. 



Symposium, on Life Histories of Protozoa. 



Leader : GARY N. CALKINS, Columbia University, New ..York City. 



General Biology of the Protozoa Life Cycle. 



GARY N. CALKINS, Columbia University, New York City. 



Classification of Parasitic Amoebae of Man. 



Capt. C. F. CRAIG, Medical Corps, United States Army. 



Origin of Diverse Races in Difflugia corona. (Lantern slides.) 

 H. S. JENNINGS, Johns Hopkins University, Baltimore, Md. 



The Biological and Medical Significance of the Life History of Intestinal 



Flagellates. (Lantern-slide demonstration.) 



C. A. KOFOID, University of California, Berkeley, Cal. (Paper read 

 by M. M. METCALF.) 



Discovery and Identification of the Stages in the asexual Cycle of the Causa- 

 tive Organism of Peruvian Verruga. 



C. H. T. TOWNSEND, Bureau of Entomology, United States Depart- 

 ment of Agriculture, Washington, D. C. 



