26. What was the average depth of water in wells in your locality, in each month of the year 1881.

27. In your locality, what is the usual average depth of earth above the ground water, as indicated by distance down to water in wells, streams, etc.? If different parts of your locality vary greatly, please answer for such different parts.

28. Without reference to previous years, please state the facts concerning the depth of earth above the ground water nearest the surface, in your locality, during each month of the year 1851, as indicated by the distance down to water in wells, streams, etc., or by other facts. How many feet and inches do you estimate it, in each month.

29. Compared with previous years, in what months of the year 1881 was the ground water in your locality unusually high?

30. Compared with previous years, in what months of the year 1881 was the ground water in your locality unusually low?

31. Please communicate facts bearing upon, or cases illustrating the causation or communicability of diseases. Illustrate localities, if possible, by diagram, or drawings.

32. Were there any accidents from the use of kerosene oil, petroleum, gasoline, or other product of petroleum, in your locality during the year? Give the facts, and if any person was injured or killed, give their name. The State Board is especially desirous to obtain all possible information on this subject, that it may be presented to the next Legislature, for the purpose of securing a change in the law for the better protection of the people against dangerous illuminating oils.

deaths, in your

Any suggestions which you may feel inclined to make, concerning methods which seem practicable, for the prevention of sickness an locality, need not be withheld, but are earnestly solicited.

As stated after question 17, in the absence of positive knowledge, opinions are desired. The fact that it will be difficult, and sometimes impossible, to give the information asked for is well understood; the importance of the subject, however, warrants the effort which it is believed will not always be barren of results, but will tend to accumulate data which eventually will be of great value to the people.

By direction of the State Board of Health.

Very truly,

R. J. FARQUHARSON,

Secretary.

To this circular the following responses have been made. For convenience they have been grouped in geographical divisions. (See map.)

The State Board of Health assumes no responsibility for statements or opinions given by correspondents. They have been, however, selected with caution, and comprise many physicians of high rank in the profession.

GEOGRAPHICAL DIVISIONS OF THE STATE,

Giving a List of the counties in each Division, and population in 1880, and Arranged for the study of the causes of Sickness and Death.