September 28: Rabbit normal.
October 5: Weight, 1,850 grams; 3 p. m., 11.5 cc 2 per cent caffein injected into lumbar muscles; 3.10 p. m., reflexes increased.
October 13: Weight, 1,830 grams; 10.40 a. m., 14 cc 2 per cent caffein (153 mg per kilo) injected into lumbar muscles; 11 a. m., no symptoms; 11.30 a. m., reflexes increased.
October 14: Rabbit alive, no symptoms.
Rabbit 453. Belgian hare, male. Weight, 1,160 grams.
October 12: 3.45 p. m., 11.5 cc 2 per cent caffein in aqueous solution injected into lumbar muscles; 4.15 p. m., reflexes increased; 4.30 p. m., paralyzed.
October 13: 9 a. m., found dead. Autopsy: Gastric mucosa hemorrhagic; liver darkened; other organs normal.
Rabbit 455. Belgian hare, gray, female. Weight, 1,185 grams.
October 12: 3.30 p. m., 11.5 cc 2 per cent caffein injected into the lumbar muscles; 4 p. m., reflexes increased.