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

Footnotes 7 and 8 are [enclosed in brackets] in the original, and this has been preserved.

Punctuation has been standardized.

Variations in spelling and hyphenation were retained as they appear in the original publication, except as noted below.

Changes have been made as follows:

Ecole changed to École in several places (École Normale)

Page ix: ETUDIES changed to STUDIES (STUDIES ON WINE)

Page 48: buding changed to budding (multiplication by budding,)

Page 166: nett changed to net (villa a net profit)

Page 219: pebrine changed to pÉbrine (pÉbrine and flacherie, also)

Page 258 earth worms changed to earth-worms (by the earth-worms.)

Page 260: resistent changed to resistant (more resistant to the)