He had tested its
powers in some other experiments, besides the ones detailed, and although
it failed in several instances, yet he was led to the conclusion that it
was a very powerful narcotic irritant poison. He had not, however,
observed the local effect said to be produced upon the point of
insertion."
"The following trials were described:--
"1. A little was inserted into the inside of the ear of a sickly sheep,
and death occurred in two hours.
"2. A little was inserted into, the inside of the ear of a healthy sheep,
and death occurred in two hours, preceded by convulsions.
"3. Five grains were given to a dog; vomiting took place after an hour,
and death in three or four hours.
"4. One grain was swallowed by a fowl, but no effect produced.
"5. Three grains were given to a sheep, but without producing any effect.
"6. A small quantity was inserted into the ear and shoulder of a dog, but
no effect was produced.
"7. Upon the same dog two days after, the same quantity was inserted into
the thigh; death occurred in less than two hours.
