The following apparent errors have been corrected:

• p. 14 "it well" changed to "it will"
• p. 94 "wonld" changed to "would"
• p. 97 "fifteeen" changed to "fifteen"
• p. 107 "a." changed to "a",
• p. 139 "leafs" changed to "leaves"
• p. 177 (note) "was—" changed to "was:—"
• p. 187 "similiar" changed to "similar"
• p. 203 "considered." changed to "considered,"
• p. 243 "litle" changed to "little"
• p. 264 "viz," changed to "viz.,"
• p. 264 "seive-mesh" changed to "sieve-mesh"
• p. 273 "loose" changed to "lose"
• p. 273 "tare." changed to "tare,"
• p. 280 "he gross" changed to "the gross"
• p. 299 "Hazareebagh" changed to "Hazareebaugh"
• p. 300 "Transport, chap" changed to "Transport, chap."
• p. 301 "title" changed to "— title"
• Advertisement "Chapers" changed to "Chapters"
• Advertisement "PERIODICALS" changed to "PERIODICALS."

Inconsistent spelling, hyphenation, italics and punctuation have otherwise been kept as printed.

Tables have been refactored for accessibility.