Page 8 Page number added for tables of analysis

Page 22 Period added after "great brilliancy"

Page 33 seashore standardised to sea-shore; genii standardised to genie

Page 39 No footnote anchor was in place. Anchor added after "are formed," as this seemed most reasonable in context.

Page 52 quanties corrected to quantities; nutricious corrected to nutritious

Page 53 Footnote marker added for "See Johnston's Elements, page 41."

Page 55 ? added after "in their composition" in footer

Page 74 Removed second "the" in "is the the foundation of Agricultural Geology."

Page 142 pigstye standardised to pig-stye

Page 144 plough standardised to plow

Pages 145, 211 subsoil plow standardised to sub-soil plow [Note that in line with the more common usage in this work, the phrases sub-soil plow and sub-soiling have retained their hyphens]

Page 148 Removed second n in mannures

Page 152 postash corrected to potash

Page 157 suplying corrected to supplying

Page 167 carbonia corrected to carbonic

Page 174 buck-wheat standardised to buckwheat

Pages 196, 232, 234, 235, 237, 238, 241 sub-soil standardised to subsoil

Page 204 ? Added after Mineral in the question section

Page 211 water tight standardised to water-tight

Page 223 Second 6. changed to 7.

Page 232 oxydation standardised to oxidation

Page 266 Period added after lbs in 1620 lbs rye straw

Page 272 Title No. XVI. added to table

Page 273 10,000 corrected to 100.00

Page 290 accurracy corrected to accuracy

Page 292 Number of pages unclear. 464 Guessed.