[ 97 ] - 
with an iron rod, twelve inches long, I perceived the like 
fenfation in the joints of the thumb and fingers with- 
which I held the metal. 4. V/hile another perfon 
provoked the eel by touching it, I put my hand into the 
water at the diflance of three feet, and felt fuch a fenfa- 
tion in the joints of my fingers as wdien I had, touched 
the eel, but not fo painful. 5. Some fmall fillies 
were thrown into the water ivhere he was fwimming ; 
he killed them immediately, and fwallow'ed them. 6. 
A cat-fifh ('''b ^hat was at leaft one inch and an half thick, 
was throivn into the water where the eel was fwim- 
ming ; he killed it alfo, and attempted to fwallow it, but 
could not. 7 . In order to difcover whether the eel 
killed thofe fifli by an emiflion of the fame fluid with 
w^hichhe affedledmy hand when I had touched him, I put 
my hand into the water, at fome diflance from the eel ; 
another cat-fifliv/as thrown into the water ; the eel fwam 
up to it, but prefently turned away, without offering any 
violence. After fome time he returned; when, feeming 
to view it for a few feconds, he gave it a fliock, by which 
it inflantly turned up its belly, and continued motion- 
lefs ; at that very inflant I felt fuch a fenfation in the 
joints of my fingers as in experiment 4. 8. A third 
cat-fifh was thrown into the water, to which the eel gave 
fuch a fliock, that it turned on its fide, but continued to 
give figns of life. The eel feeniing-to obferve this, as it 
was turning aivay, immediately returned, and flmck it 
quite motionlefs. I could eafily perceive that the lafl 
(a) The Eayre de rio of Marograve, 
fliock 
