Rabbit 285, yellow and white, female. Weight, 1,385 grams.
December 14: 10.15 a. m., 14 cc 2 per cent caffein injected into the gluteal muscles (0.2 gram per kilo), general tremors, but no convulsions observed. Rabbit survived.
December 17: Rabbit still alive.
Rabbit 287. Belgian hare, female. Weight, 1,140 grams.
December 15: 2.15 p. m., 11 cc of 2 per cent caffein injected into the gluteal muscles; 2.30 p. m., tonic contractions of posterior limbs. Paralysis and death at 2.40 p. m.
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.