March 4: 11 a. m., condition good, moves about when put on floor; gait, normal.
Rabbit 78. Yellow and white. Weight 659 grams.
January 26: 1.30 p. m., 8.5 cc 2 per cent caffein (250 mg per kilo) injected into peritoneal cavity, under observation the rest of the afternoon, no symptoms.
January 27: 4 p. m., no symptoms developed.
Rabbit 317. Belgian hare, female. Weight 635 grams. Diet oats.
March 15: 10.35 a. m., 8 cc 2 per cent caffein (0.252 gram per kilo) injected into peritoneal cavity; 12 noon, marked abduction of hind legs, was unable to walk after a little exertion, rabbit died between 12.30 and 12.50 p. m. Autopsy. Right lung hepatized and showed adhesions to costal and mediastinal pleura; liver studded with nodules of coccidiosis; spleen congested; stomach filled, mucosa normal; intestines injected; colon hemorrhagic on serosa in ventral region, near point of injection; kidneys normal.
Rabbit 323. White, female. Weight 820 grams. Diet oats.
March 15: 10.45 a. m., 10 cc 2 per cent caffein (250 mg per kilo) injected into peritoneal cavity; 12 noon, reflexes increased, hind legs abducted but is able to walk, symptoms are mild; 1.40 p. m., tremors, weakness, and abduction of head and legs much more marked than at 12 noon.
March 16: Condition good.
March 17: Condition good, recovery apparently complete.