PART I.] Monthly Phenomena in Relation to Cholera at Jubbulpore. 



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fall, as may be observed from the fact that it rises nearly 4 feet from its lowest level in 

 June; during the course of July and in August it is within 25 inches of the surface. 

 Hence cholera is at its maximum here when the water is in process of rising from its 

 lowest level. 



Whilst these pages were passing through the press, Dr. S. C. Townsend very kindly 

 favoured us with a proof-copy of his report on the cholera epidemic of 1876 in the 

 Central Provinces, and we have availed ourselves of the opportunity of reproducing the 

 monthly returns of the deaths from cholera which were registered in the District of 

 Jubbulpore during the epidemic — from September 1875 to December 1876. 



Mean monthly Water-level (in 

 feet) [6 years]. 



[numidity= dotted curve] [10 j' 



years] . I 



Monthly Rainfall in inches [32-33 I 



years]. I 



Total Cholera, troops and pri- 

 soners [21 years] and general \ 

 population [5 years]. 



Monthly Temperature [7 years]. .' 



-Water-level nearest the surface. 



— Ditto farthest from ditto. 



— 80 degrees Humidity (dotted curve) 



—60 „ ., 



—40 ,. 



-20 „ 



= Lowest Eainfall. 



= Least Cholera. 



= Lowest Temperature. 



Diagram 17. — The average monthly VVaier-ievei, Humidity, Rainfall, and Temperature, and the 

 total monthly Cholera at Jubbulpore. . 



TABLE LXIV. 



A Monthly stat&rnent of the Water-level, Rainfall, mean Relative Humidity and total 

 Deaths from, Cholera atrtong the General Population of the District of Jubhalpore 

 from September 1875 to December 1876. 



