16. "We do not follow rule in spelling other words, but custom"; should be, "we do not follow rule, but custom, in spelling," etc.
18. "The distinction is observed in French, but never appears to have been made," etc.; read, "appears never to have been made."
61. "Rather to aspirate more than less"; should be, "to aspirate more rather than less."
9. "It is said also only to occur three times," etc.; read, "occur only three times."
44. "This doubling only takes place in a syllable," etc.; read, "takes place only."
142. "Which can only be decided when those circumstances are known"; read, "can be decided only when," etc.
166. "I will only say that it produces," etc.; read, "I will say only," etc.
170. "It is said that this can only be filled in thus"; read, "can be filled in only thus."
368. "I can only deal with the complaint in a general way"; read, "deal with the complaint only," etc.
86. "In so far as they are idiomatic," etc. What is the use of in?