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 potassffi, 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. Eestless, crouched in corner of box, twitching of 

 muscles, cries as before. 



4.25 P.M. Eestless, crying fretfully. 



Died in about l^ 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. 



