1 Not due to caffein.
INTRAMUSCULAR INJECTION.
Well-fed rabbits, which received a diet exclusively of oats, were used for these experiments. The injections were made into the lumbar or into the gluteal muscles.
Series A.
In this series the caffein was injected into the gluteal muscles.
Rabbit 284. Brown and white, female. Weight, 1,100 grams.
December 14: 2 p. m., 11 cc 2 per cent caffein injected into the gluteal muscles (0.2 gram per kilo), under observation until 5 p. m., had frequent convulsions; at 5 p. m. in a comatose condition. Rabbit was found dead the next morning.
Rabbit 286, white and black, female. Weight, 1,315 grams.
December 15: 2.30 p. m., 13 cc 2 per cent caffein injected into the gluteal muscles (0.1977 gram per kilo), tremors and increased reflexes observed during the next two hours, but no other symptoms.
December 17: Rabbit alive.