2 10 



Cholera in Relation to Certain Physical Phenomena. [part i. 



Macpherson in his work on " Cholera in its Home ; "* 2'/icZ, that contained in the Eeport 

 of the Health Officer for Calcutta for the year 1876 ;t and Zrdly^ Dr. Bryden's statistical 

 tables regarding the European troops in Fort William and the inmates of the Alipore 

 Jail. Tables showing the data regarding the occurrence of the disease in the Native 

 troops in Fort William and in Alipore are also included in the following pages, but they 

 are of little value compared with the others, including, as they do, the results of only a 

 very limited number of years. 



The figures furnished by Dr. Macpherson include those contained in the monthly 

 returns of deaths from cholera in Calcutta for a period of 26 years. They are shown in 

 he following table : 



TABLE A' III. 



Total deaths returned as due to Cholera in Calcutta during each month for a 'period 



of twenty-six years. 



Dr. Payne's table includes the deaths returned during each month from 1865 to 



1876, and is as follows : — 



TABLE IX. 



Monthly Cholera deaths in Calcutta from 1865 to 1876. 



As these tables furnish by far the most important data which we possess in reference 

 to the seasonal prevalence of cholera in Calcutta, it may be well to consider their results 



* Tiondon : John Churchill and Sons, New Burlington Street, 1866. 



t Report of the Health Officer for Calcutta, by A. Payne, M.D., Calcutta, 1877. 



