SERIES B.

In series B the caffein was injected into the lumbar muscles.

_Rabbit 307. Belgian hare, female. Weight, 1,175 grams._

February 16: 11.05 a. m., 8 cc 2 per cent caffein injected (0.136 gram

per kilo) into the lumbar muscles; under observation until 4 p. m., no

symptoms; 4 p. m., allowed to walk on the floor; after walking a short

distance loss of coordination and paralysis of posterior extremities;

5.20 p. m., found dead.

_Rabbit 306. Belgian hare, female. Weight, 1,860 grams._

February 16: 11 a. m., 12.5 cc 2 per cent caffein injected into the

lumbar muscles; 12 noon, no symptoms; 2 p. m., walked about 10 feet,

exhaustion and paralysis; 3 p. m. found dead.

_Rabbit 181. Belgian hare. Weight, 1,230 grams._ (Was experimented on

some time previously.)

February 16: 10.55 a. m., 8 cc 2 per cent caffein injected into the

lumbar muscles; (0.130 gram per kilo); 12 noon, no symptoms; 2 p. m.,

no symptoms; 3 p. m., put on the floor, walked about 10 feet and was

exhausted, posterior extremities paralyzed; 4 p. m., found dead.

The Toxicity of Caffein: An experimental study on different species of animals · 第 54 / 217 题