Cat 88. Black and white female. Weight, 3,260 grams. Diet, meat.
June 5: 2.20 p. m., 25 cc of 2 per cent caffein (0.15 gram per kilo) given by mouth; 2.45 p. m., cat irritable, no other symptoms (cat did not vomit after the administration of caffein); 4 p. m., cat found dead. Autopsy: Liver very much congested; heart contracted; body was still warm at the time of autopsy.
Cat 90. White and yellow female. Weight, 2,685 grams. Diet, meat.
June 5: 3.15 p. m., 27 cc of 2 per cent caffein (0.2 gram per kilo) given by mouth through stomach tube, about half an hour later cat became irritable and began to salivate; at 4.30 p. m. salivation became more marked, dyspnœa was well developed, and the cat was quite restless and had tremors; 5 p. m., short spasms of posterior extremities, but lay quietly in the cage most of the time; 5.20 p. m., convulsions of short duration and death, muscular relaxation followed immediately after convulsions, no vomiting, diarrhea observed after administration of caffein, and cat passed about 10 cc of urine.
June 6: 9 a. m., found dead.
Cat 89. White and black female. Weight, 2,860 grams. Diet, meat.
June 5: 3.15 p. m., 28.6 cc (0.2 gram per kilo) of 2 per cent caffein given by mouth through stomach tube, no vomiting observed, nor any other symptoms; 3.30, found dead. Autopsy: Organs normal; liver congested.
Cat 82. Gray female. March 3, weight 2,450 grams; June 6, weight 2,750 grams. Diet, 150 grams of meat daily.
June 7: Given 0.4125 gram of caffein in 150 grams of meat, did not eat.