54 



Observations Regarding Pettenkofer s Theory. 



[part I. 



depth of twenty or thirty feet, forms the foundation of the other. The rock itself 

 is a sandstone, splits to any extent, and very easily worked when wet, but 

 excessively hard when dry. It is porous to the extent of one-third of its bulk, 

 consequently able to retain a great amount of any sewage that may be thrown 

 upon it. 



The heat on this rock is very great; it is much comjilained of, especially as it 

 continues during nearly the whole night, because by the time that it begins to 

 cool, the rays of the sun are directed towards it again. 



The samples of soil obtained consisted entirely of rubbish ; there does not seem 

 to be an inch in the place undisturbed by man until the bare rock is attained. 



MEERUT. 



Cholera visited this station in September and the beginning of October, having 

 been preceded by a heavy fall of rain. Nineteen cases occurred, with fourteen 

 deaths, among the European soldiers, whilst about a hundred cases occurred among 

 the natives of the bazaar. The cantonment is situated on a large plain, with 

 scarcely any fall, consequently not admitting of good natural drainage. There is a 

 deep ravine separating the European and the Native lines, on either side of which 

 for a short distance good clay is found; otherwise it is rather sandy everywhere, 

 quicksand being frequently met with in digging the foundation of a building. 



The wells are not very deep, water being generally attained at about ten to twelve 



