Footnotes have been moved to the end of the text and relabeled consecutively through the document.

Punctuation has been made consistent.

Variations in spelling and hyphenation were retained as they appear in the original publication, except that obvious typos have been corrected.

Additional comments:

p. 15: Based on the preceding table, the 60 in the second table should be 66 and the 80 should be 86.

p. 169: Demerell may be a misspelling of Damerel (at Stoke Demerell, in Devonshire)