vu 



and repetitions, and the necessity for bearing in mind that the i)uljli- 

 cation of the various chapters was broken by long delays. The chap- 

 tei'S were written in the following order: From Chapter 1st to 7th, 

 inclusive, April, 1876, to 1878, then from that time until 1881, 

 there were occasional publications, and the remainder within the 

 last few months. 



I cannot say good-by, however, without reitei^ating my implicit 

 belief in the efficacy of tips, and in contradistinction from the toe- 

 weight puzzle, there are reasons, plain and palpable, why the result 

 of practice should be as I have found it. 



Jos. Cairn Simpson. 

 San Francisco, February, 1883. 



