On page 81, "whether logical or no" was replaced with "whether logical or not".
On page 96, "It's aim," was replaced with "Its aim,".
On page 119, "that is too minute.." was replaced with "that is too minute.".
On page 121, "Mary Stuart Cutting" was replaced with "Mary Stewart Cutting".
On page 124, "subconciously" was replaced with "subconsciously".
On page 127, "Dicken's" was replaced with "Dickens'".
On page 138, a period was put after "(hope I'm not getting atrophied!)".
On page 154, a period was put after "it is a terrible arraignment to numbers".
On page 165, a period was put after "Otherwise I think there is little if any difference".
On page 193, a period was put after "I had been reading (by somebody else!)".