20 
This was followed by a paper on 
RECENT WORK ON ANIMAL GRAFTING. 
By Cuaries W. Harcrrr. 
The thanks of the academy were extended to the speakers. 
NovEMBER 18, 1808. 
TWENTY-FIFTH REGULAR MEETING. 
The president, Dr. C. W. Harcirt, in the chair. 
Thirty-five persons present. 
The publication committee was instructed to ascertain the 
cost of publishing a thirty-two page pamphlet. 
The following paper was then read: 
THE WHETSTONE INDUSTRY. 
By Puitie F. SCHNEIDER. 
( Abstract. ) 
The speaker first gave a short history of the general subject 
of whetstones, in which he showed how they came to be employed 
and the circumstances leading to their use. This was followed 
by the description of local stone and the methods of its manufac- 
ture, concluding with an account of the Arkansas and Washita 
Novaculites. 
THE LABRADOR STONE. 
InNTRopucTION. In an almost inaccessible region among 
our southern hills lies a small body of water known as Labrador 
Lake. On either side of it rise lofty hills averaging more than 
_five hundred feet above the water, while not far to the eastward is 
the loftiest summit in Central New York, towering more than 
one thousand feet above the water of the lake and over twice that 
distance above the sea. Up toward the top of these steep cliffs 
