330 ILLINOIS STATE ACADEMY OF SCIENCE 



and those which serve as indices of immunity. To re- 

 capitulate, among the former are the tuberculin, mallein, 

 luetin and other similar and theoretically possible tests. 

 Among the indices of immunity, the principal ones are 

 the accelerated and immediate responses to vaccination 

 against smallpox, the serum test preliminary to the ad- 

 ministration of antitoxic and other sera, the Schick test 

 in diphtheria, and the many and varied tests utilized in 

 the determination of sensitiveness in food idiosyncracy, 

 hay fever, asthma, etc. 



BIBLIOGRAPHY 



1. Coca, A. F.: Hypersensitiveness. Tice's Practice of Medicine, 1920. 



2. Park, W. H.: Hypersensitiveness. Public Health and Hygiene, 1920. 



3. Kerley: Arch Pediat, 34; 459, 1917. 



4. Vaughan, Victor C: Albuininal Diseases. Epidemiology and Public 



Health, Vol. 1. 1922. 



5. Vaughan and Wheeler: Jour. Infect. Dis., 1907, 4:476. 



6. Gay and Force: Archiv. Int. Med., 1914; 13:471. 



7. Orgel: A Method for the Early Diagnosis of Pertussis, Jr. A. M. A. 



(Oct. 28), 1922. 79:1508-09. 



8. Hull and Nauss: Intracutaneous Reactions in Pertussis' Jr. A. M. 



A. (June 23), 1923. 80, 1840:41. 



9. Dick and Dick: A Skin Test for Susceptibility to Scarlet Fever. 



Jr. A. M. A. (Jan. 26), 1921. 



