16 TRANSACTIONS OF THE [Nov. 5, 
On the 5th, the exhibition was closed ‘‘ because there was no 
more gas,” and after some time the doctor went into the room 
where his gasometer was, and found a young man lying on the 
floor beside it, completely insensible. 
There was, of course, much alarm. Two men, one under 
each arm,raised him up and brought him out into the ball-room, 
and they held him, supposing he was near death. 
No means were used to restore him. After a good while, fats 
was a slight motion of his feet, which gradually increased and 
became rapid, until they played like drumsticks, and he went 
off into a vigorous dancing till he became exhausted and recoy- 
ered his consciousness, without any ill effects. 
He had stealthily found the gasometer and inhaled the gas 
ad libitum, and fallen off. 
This is believed to be the first case of anesthesia by this agent 
on record. 
It occurred about midway in time between Sir Humphrey 
Davy’s publication of his experiments in 1799 and those made 
by Dr. Wells in 1844, in dentistry, at Hartford, Conn. 
A full account was read at the annual meeting of the New 
York State Medical Association, October 9th, 1888. 
Dr. N. L. Britron stated that Mr. C. HENry Krine@, of Phila- 
delphia, announces that the bed of diatomaceous earth occur- 
ring in Virginia, and well known as the ‘ Richmond infusorial 
earth,” had been found, at a depth of 406 feet, in artesian wells 
at Atlantic City, N. J. 
The announcement was received with much interest, and 
called forth remarks from Prof. Martin, Dr. Britton, Dr. Hub- 
bard, and the President. 
A communication was read from Mr. G. F. Kunz, regarding 
minerals recently found in the trap of New Jersey, as follows: 
During some excavations which have been carried on during 
the last year by the Pennsylvania R. R. at Mt. Pleasant, Bergen 
Hill, N. J., a few very interesting minerals have been collected 
through the perseverance and energy of Mr. Frederick Kato, 
who has kindly placed them in my hands. Among these are 
nodules of chalcedony in grayish hydrophane, forming veins 
