THE SCIENTIST. 
A Valuable Book. 
Gems and Precious Stones of 
North America: 
A. popular description 6i their occurrence 
value, history, archaeology and of the col- 
lections in which they exist, also a chapter 
on pearls and on remarkable foreign gems 
owned in the United States. Illustrated 
with^eight colored plates, and numerous 
minor engravings. By George Fred- 
erick KuNZ, Gem Expert for Messers. 
Tiffany & Co. Large 4t6, pp. 3^; cloth, 
gilt, - - - - — $io.i)o 
The K. G. Scientit mailed 
^FREE fb'r one year with eacli 
order received by us, for Gems 
and Precious Stones. 
WA.VTED. 
We will pay 10c ts in cubh tor eiwli 
copy of the January SCIENTST return- 
ed to us in good condition. Or we will 
exchange a copy of any other issue of the 
Scientist for a copy of the January 
number. If you have a copy you do not 
care for you will C(>nfer a favor by re- 
turning at once. Address 
Editor Scientist, 
Kansas City, Mo. 
The tellbwirig testimonials are a 
few of the many commending this 
interesting- book: 
It fills a place in the itiineralogical and 
geological libraries of the. country that has 
always been vacant.— T^e Jewelers'' Cata- 
logue. 
This superb work is worthy of a high 
place in the literature of the subject. — 
Scientific American, 
Address all orders to 
Editor K. C. SCIENTIST, 
Kansas City, - - Mo. 
