234 ANNUAL REPORT SMITHSONIAN INSTITUTION, 1911. 
. 
a fancy price as ‘‘synthetic diamond,” with the support of the press, 
J for one consider that matters are going too far, and that this is 
being done at the present moment anyone can verify for himself. 
All these misrepresentations may bring wealth to individuals, but 
they tend to bring into disrepute the artificially produced stone, and 
instead of allowing it a place of its own as a distinct achievement, 
cause it to be looked upon as a spurious make-believe. 
However, I did not come here for the purpose of discussing this 
aspect, and I will not dwell upon it further. I have, as far as pos- 
sible, given you a résumé of the whole subject and I will detain you 
no longer, except, if I may add one more word, to acknowledge the 
fact that my ability to bring this paper before you is very largely 
due to the assistance I have received in many quarters, and more 
particularly from Mr. EK. Hopkins, whose enthusiasm on the subject 
of the technology of precious stones is only exceeded by his knowl- 
edge and experience. I am indebted to him, not only for much 
advice and information, but also for the loan of the specimens from 
which I have prepared the illustrations to this paper. 
