February 27: 16 cc 2 per cent caffein (200 mg per kilo) injected subcutaneously at 3.40 p. m.; increased reflexes observed about one hour after caffein was injected, but no other symptoms.
February 28: Rabbit found dead.
Rabbit 112. Black female. Weight, 875 grams. Diet, oats.
March 18: 9 cc 2 per cent caffein (205 mg per kilo) injected subcutaneously at 3 p. m.; 3.30 p. m., rabbit became restless, reflexes were increased, tremors were observed, but no other symptoms; 4.15 p. m., rabbit had tremors, was handled but this failed to induce tetanus, 10 minutes later tetanus of short duration with recovery occurred.
March 19: 9 a. m., found dead.
Rabbit 119. Yellow white female. Weight, 1,060 grams. Diet, oats.
April 17: 10 cc 2 per cent caffein (188 mg per kilo) injected subcutaneously at 2.10 p. m.
April 18: Rabbit found dead.
Rabbit 195. White female. Weight, 1,300 grams. Diet, carrots, since October 7.
October 14: 13 cc 2 per cent caffein (0.2 gram per kilo) injected subcutaneously at 11.15 a. m.; 2.25 p. m., rabbit had convulsions and died. Note: Ulceration of rectum was noticed.