October 13: Weight, 1,520 grams; 10.30 a. m., 10 cc 2 per cent caffein (131 mg per kilo) injected; 11 a. m., no symptoms; 11.30 a. m., reflexes much increased.
October 14: Alive, no symptoms.
Rabbit 426. Belgian hare, female. Weight, 1,425 grams.
September 27: 7 cc 2 per cent caffein injected into the lumbar muscles at 10.30 a. m.; 2 p. m., reflexes increased.
September 28: Rabbit normal.
October 5: Weight, 1,425 grams; 2.55 p. m., 9 cc 2 per cent caffein injected into lumbar muscles; 3.05 p. m., reflexes increased.
October 13: Weight, 1,405 grams; 10.30 a. m., 10 cc 2 per cent caffein (142 mg per kilo) injected; 11 a. m., no symptoms; 11.30 a. m., reflexes increased.
October 14: Rabbit alive, no symptoms.
Rabbit 427. Belgian hare, female. Weight, 1,780 grams.
September 27: 9 cc 2 per cent caffein injected into the lumbar muscles; 2 p. m., reflexes increased.