PHYSICS AND PHILOSOPHY 321 



would you believe it, he said as he gave it that 

 he supposed it was like offering me a cobble 

 stone or a brick, but he thought I might like it 

 for my collection. There must be some psycho- 

 logical reason for the similarity of expressions. 

 It is beyond ordinary coincidence." We all 

 shook our heads with gravity befitting the sit- 

 uation and assured her we were quite of her 

 view. 



When the circle assembled the next evening she 

 addressed herself to me : 



"The mystery of that coincidence, which I 

 thought affected all of you strangely last evening 

 lias deepened. When I was in the village I deliv- 

 ered that note of yours to our druggist who has 

 never before been known to smile. He showed 

 me the note in which you asked him to fill two 

 small vials with homeopathic pills and to label one 

 mix vomica and the other belladonna. He asked 

 what I supposed you meant and when I replied 

 that I had never known you to mean anything by 

 what you said, he reached under his counter and 

 brought out this rock, saying, 



