516 ME. J. PRIESTLEY ON THE PHYSIOLOGICAL ACTION OF VANADIUM. 
The rabbit bad quite recovered by the next day. 
In this experiment the only symptom of poisoning was a rapidity of respiration, unac- 
companied by any fall in temperature attributable to vanadium. 
Exp. XXXIII.— September 15, 1874. 
Rabbit. — Weight 1670 grms. 
Dose 3 cub. centims. of the 5 per cent, solution (150 milligrammes 
V 2 0 5 ), injected into the stomach. 
In this experiment the dose of 3 cub. centims. was simply injected into the stomach 
instead of into the rectum. There was no marked respiratory symptom, the rabbit 
appearing throughout to be quite normal. The rabbit recovered. 
No effect was produced by the injection of 150 milligrammes V 2 O s into the stomach. 
Exp. XXXIV.— September 16, 1874. 
h. 
Guineapig. — Weight 630 grms. 
Dose 5 cub. centims. of the 5 per cent, solution (250 milli- 
grammes V 2 0 5 ), injected into the stomach. 
11 38 0. 
11 40 0. 
11 41 30. 
11 47 0. 
11 50 0. 
11 52 0. 
11 54 0. 
11 55 0. 
11 59 0. 
12 0 0 . 
12 2 0 . 
12 4 0. 
12 5 0. 
Injection complete. 
Movements as of vomiting. Retching : seems quiet and ill. Moves spon- 
taneously. 
Retching ; defecates ; retches ; vomits a dark green tenacious fluid, which 
oozes from nostrils as well as mouth. 
Moves about unsteadily; jerks forward at each respiration, as if weak; 
moves unsteadily ; lies down, as if weak. 
Unsteady. On moving the head shakes, as if the animal were very weak 
or “nervous.” Moves about. 
Gasps ; vomits again ; very weak apparently. Crawls along very unsteadily. 
Gasps ; vomits. 
Gasps; moves about uneasily ; jerks its head; crawls along uneasily ; jerks 
its head, as if hiccoughing. 
Twitches head and hind limbs. 
Spasmodic jerks of head and body. 
Turns over on to its side ; deep gasps ; eye but slightly sensitive. 
Gasps at long intervals. Hind legs quite flaccid and apparently insensible ; 
gasps shallower ; eye insensitive.. 
Dead. 
Post mortem Examination. 
Muscles irritable on striking. 
Lungs congested at the back. 
