The masthead in the original referred to Vol. IX., although this issue
is in fact part of Vol. X. of this publication. This has been
corrected.
A table of contents has been added for the convenience of the reader.
Minor punctuation errors have been repaired.
Archaic spelling is preserved as printed. Please note that both
Oronooco and Oronooko appear in the text as variable spellings.
The following typographic errors have been fixed:
Page 20--servicable amended to serviceable--"... both
exogenous and endogenous, render them extremely
serviceable to mankind."
Page 21--organisable amended to organizable, for
consistency--"... indeed gum is that organizable product
which exists most universally ..."
Page 23--productivenes amended to productiveness--"...
of which there are several varieties, differing
essentially in productiveness, ..."
Page 23, fourth footnote--Hedwiz amended to
Hedwig--"Eheu qualia! Hedwig."