to deflect a gal- of distress, by the shocks it gave to those of an in- tury, described the stipular thorns of Acacia cornigera of Central America, into which certain ants eat, feed vanometer that was not very sensitive. With a helix vestigating or curious, raind. Toward the end of its of… … ing one electrode over the rough surface of the other, Fig. 1.-THE GYMNOTUS ELECTRICUS. a spark was repeatedly obtained. His object in this experiment was to secure a break in the current while but a feeble one—comparable to that from a pint Ley- it was passing. den jar. The fish was then growing…
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