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2. The answers returned to a series of questions addressed by me to all the medical practitioners in the district. (See Appendix No. V.)

3. Communications from different individuals, chiefly of the medical profession, to more specific inquiries respecting particular diseases, their nature, cause, &c.

4. A series of printed Annual Reports of the Penzance Dispensary, extending over a period of seventeen years.

5. The mortuary registers of certain parishes in which the names of the diseases are partially recorded. 6. The published works on the topography and history of Cornwall.

The plan which I had intended to pursue, in the chapter devoted to the exposition of the results thus obtained, was as follows:—I proposed to divide it into two parts, giving, in the first, a general account of the diseases, under their respective names, as they affect all classes of the community; and, under the second, an account of the diseases of particular classes, more especially of the class of miners, the only one which, in this district, presents any striking peculiarities in the habits of life of the individuals composing it, and in the diseases with which they are affected.

In the first part it was my intentional—

1. To give, in tables, the results obtained from all the sources of information which admitted of this mode of display.

2. Taking these tables as the groundwork of my narrative, to exhibit, in detail, and in their various