544 ME. J. PEIESTLEY ON THE PHYSIOLOGICAL ACTION OE YANADIUM. 
Rabbit (a). 
h. m. 
1 15. Injection complete. 
1 16. Quiet. 
1 17. Drags bind legs. 
1 20. Turns over on to back ; drags hind legs. Breathes very quickly. 
1 21. Moves on being pinched. 
1 22. Gave a little chloroform preparatory to bleeding. Cries, struggles on being 
chloroformed. 
1 23. Bled to death from the neck. Proceedings were taken to test the irritability 
of cord &c. See below. 
Rabbit (0). 
2 10. Chloroformed, and bled to death from the neck. The cord &c. of this rabbit 
were then tested. 
The results in both cases are tabulated side by side, for convenience of 
comparison. 
Babbit (a). 
Babbit (/3). 
Cord exposed about middle of back. Move- 
Cord exposed about middle of back. Move- 
ments of dorsal muscles with secondary coil 
ments of dorsal muscles with secondary coil 
at 8. 
at 8. 
Sciatic nerve of right leg induced contractions 
Sciatic nerve of left leg was found to be quite 
in the limb on stimulating with secondary 
coil at 8-10. 
irritable. 
The electrodes were inserted between two 
The electrodes were inserted just above the 
lumbar vertebrae. The legs contracted on 
sacrum. Contractions of the legs occurred 
passing a current; but, unfortunately, the 
on passing a current with the secondary coil 
distance between the coils was not noticed. 
at 8. 
A battery of one Leclanch^’s element was used. Currents interrupted. 
This experiment may be said to confirm exactly the phenomena in the case of frogs. 
The conditions of the poisoned and unpoisoned animals were rendered equal in this 
case, unlike that of the preceding experiment. 
In the following three experiments attention was more particularly given to all those 
phenomena in which sensory nerves played a part, the special object being to determine 
whether sensory nerves were acted on by the poison or not. 
Exp. LXYIII.— June 1, 1874. 
Frog. — Weight 36 grms. 
Dose 1 cub. centim. of the 5 per cent, solution (50 milligrammes V 2 0 5 ), 
injected under the skin. 
h. m. 
3 30. The right femoral artery has been tied. Injection complete. 
3 42. Breathing slight. Abdomen pinched up and contracted. Voluntary movements. 
