146 ON THE EFFECT OF VARIOUS SUBSTANCES IN 



4.20 P.M. Dropped the hind leg, but otherwise seems active 

 and well. 



4.35 P.M. Very active, but leg drops. 

 5.10 „ Hind leg paralysed. 



5.15 „ Tries to crawl, cannot, struggles, convulsed. 



5.16 „ Jerking convulsions. 



5.17 „ Almost dead. 



5.18 „ Dead. 



Carbolic acid likewise delays the action of the poison, but to 

 a very much smaller extent than liquor potassse, as is proved by 

 Experiment XIV. 



Experiment XIV. 



March 14th. — Carbolic acid, ^ c.c. mixed with 5 milligrammes 

 of cobra-poison in 1 c.c. of water, injected into hip of a guinea- 

 pig weighing 14 oz. at 4.55 p.m. 



5.55 P.M. Much the same. 



7.50 „ Very slight convulsions. 



7.55 „ Much the same. 



8.0 „ Dead. 



Experiment XV. 



March 7th. — 3 milligrammes cobra-poison mixed with 1 grain 

 of nitrate of silver dissolved in 40 grains of water, injected into 

 hip of black guinea-pig, weighing 14 oz., at 3 p.m. 



4.10 P.M. Twitching ; crouching in corner, crying out slightly 

 as guinea-pigs are wont to do when restless. 



4.15 P.M. Kestless, crouched in corner of box, twitching of 

 muscles, cries as before. 



4.25 P.M. Eestless, crying fretfully. 



Died in about IJ hours afterwards, about 2 hours after the 

 injection of the poison. 



Experiment XVI. 



March 7th. — 3 milligrammes of cobra-poison mixed with 

 10 -grain measures of a saturated solution of chloride of mercury 

 (corrosive sublimate), injected into hip of guinea-pig (black and 

 white), weighing 14 oz., at 3.56 p.m. 



4.10 P.M. Twitching, uneasy, tremors. 



