Ague is now far less common in London than formjrly. The disease was very common some two or three hundred years ago, James I. and Cromwell having died from it. When the population of London was not one-fourth its present amount, the deaths from ague were very much more numerous than now. The average number of neaths in London from real ague do not exceed twenty-four or twenty-five per annum. This decrease is entirely due to thc many local improvements, in the way of drains, cleansing the streets, and compelling the inhabitants to obey strict sanitary laws. Ague is not the only disease which can be driven away by drains and cold water in fact, there are few ailments or epidemics that their combined efforts will not eradicate.