THE EXHIBIT 505 



BOOTH 15 — TASTE THRESHOLDS 



Theme-sign. 



Persons vary greatly by inheritance in range and acuity in all special 

 senses. 

 Exhibits: 



1. Taste thresholds exhibit. 



Exhibited by: Dr. A. F. Blakeslee, Dept. of Genetics, Carnegie In- 

 stitution of Washington, Cold Spring Harbor, N. Y. 

 Attendant in charge tested the taste thresholds of interested visitors. 



BOOTH 16 — ETHNIC SURVEY 



Theme-sign. 



Population turn-over in race and family-stock quality constitutes the 

 fundamental fact of history in relation to national character and 

 achievement. 

 Exhibits : 



1. Ethnic survey of Connecticut College and Pembroke College for 

 Women, New London, Conn. 

 Exhibited by: Mrs. Bessie B. Wessel, Connecticut College, New Lon- 

 don, Conn. 



BOOTH 17 — CANCER 



Theme-sign. 



In cancer, as in most diseases, there is an essential hereditary constitution 

 which determines resistance and susceptibility. 

 Exhibits : 



1. Screens (34) containing illustrative charts. 



Exhibited by: New York Cancer Committee, American Society for 

 the Control of Cancer, New York, N. Y. 



BOOTH 18 — ITALIAN DEMOGRAPHY 



Theme-sign. 



Sound demographic bookkeeping is a high-class national investment. 

 Exhibits: 



1. Charts from Italian Institute of Statistics showing the demographic 

 analysis of the Italian people. 

 Exhibited by: Dr. Corrado Gini, 10 via delle Terme, Societa Italiana 

 di Genetica ed Eugenica, Rome, (30) Italy. 



