Electro-physiology electrophysiolog02bied Year: 1896-98 Fio. 162.—Separation of curves of twitch on exciting the frog's sciatic close to the spinal cord, and 5 mm. from the knee. (Engelinanii.) muscles in mammals are interesting, as showing that the rate of conductivity is much lower in these than in the nerves of striated muscle. It hardly reached 8 m. per sec. The rate of conduc- tivity in non-medullated nerves of many invertebrates appears to be still lower, even when they are connected with striated muscles. Fredericq and Vandervelde (15) found, according to the temperature (10°-20° C.

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Electro-physiology electrophysiolog02bied Year: 1896-98 Fio. 162.—Separation of curves of twitch on exciting the frog's sciatic close to the spinal cord, and 5 mm. from the knee. (Engelinanii.) muscles in mammals are interesting, as showing that the rate of conductivity is much lower in these than in the nerves of striated muscle. It hardly reached 8 m. per sec. The rate of conduc- tivity in non-medullated nerves of many invertebrates appears to be still lower, even when they are connected with striated muscles. Fredericq and Vandervelde (15) found, according to the temperature (10°-20° C.), 6-12 m. in the claw-nerves of the

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