CHEMICAL CONSTITUTION AND PHYSIOLOGICAL ACTION. 707 



Before the application, the rigid pupil measured ig-ths x Hths, and the left, if ths x ff ths of an inch. 



8 minutes after the application, ,, H tns x iiyths, 



13 „ „ „ Hthsxffths, 



17 „ „ „ ffthsxffths, 



55 „ „ „ ffthsxffths, 



2 hours ,, ,, i£ths x si ths, 



On the 2d day „ „ Hths x Hths, 



,. 3d „ „ „ Hthsxffths, 



4th „ „ „ ffths x ff ths, 



5th „ „ „ H ths x ifths, 



ffths x Hths 

 if ths x ffths 

 |f ths x if ths 

 ifths x if ths 

 if ths x |f ths 

 if ths x ff ths 

 ffths x iphs 

 if ths x Jf ths 

 if ths x Hths 



Experiment CXIII. — One minim of a solution of one grain of sulphate of 

 methyl-atropium, in 5000 minims of distilled water (= 5 J- 00 th of a grain of 

 sulphate of methyl-atropium), was paced on the left eyeball of a rabbit. 



Before the application, the left pupil measured ffths x f jjths, and the right, ^f ths x ffths of an inch. 



13 minutes after the application, ,, if ths x Hths, ,, ffths x ffths „ 



15 „ „ „ ffthsxffths, „ ffthsxffths 



17 „ „ „ ifthsxfgths, „ Hths x Hths 



20 „ „ „ ifthsxffths, „ Hthsxffths 



2 hours „ „ Hths x Hths, „ ffthsxffths 



22 „ „ „ Hthsxffths, „ Hths x Hths 



Experiment CXIV. — One minim of a solution of one grain of sulphate of 

 methyl-atropium, in 20,000 minims of distilled water (= 2 oooo ^ n °f a grain of 

 sulphate of methyl-atropium), was placed on the right eyeball of a rabbit. 



Before the application, the right pupil measured ffths x f *ths, and the left, ffths x ffths of an inch. 

 35 minutes after the application, ,, ffthsxffths, ,, ffthsxffths „ 



45 „ „ „ ffthsxffths, „ ffthsxffths 



1 hour 10 minutes „ ,, Hthsxffths, ,, ffthsxffths 



25 hours „ „ ffths x ffths, „ ffths x ffths 



Experiment CXV — One minim of a solution of one grain of sulphate of methyl- 

 atropium, in 50,000 minims of distilled water ( — 50 ^ o0 th of a grain of sulphate of 

 methyl-atropium), was placed on the right eyeball of a young rabbit. 



Before the application, the right pupil measured ffths x Hths, an( l the left, ffths x ffths of an inch. 

 42 minutes after the application, „ ffths x ffths, „ ffths x ffths 



1 hour 5 minutes „ ,, f f ths x £$ths, „ ffths x \% ths 



1 h 1° ,, „ ,, ffthsxffths, „ ffthsxffths 



2 hours „ „ ffths x ffths, „ ffths x ffths 

 22 „ „ „ Hthsxffths, „ ffthsxffths 



Experiment CXVL — One minim of a solution of one grain of sulphate of 

 methyl-atropium in 100,000 minims of distilled water ( = 100 1 000 th of a grain of 

 sulphate of methyl-atropium) was placed on the right eyeball of a rabbit. 



Before the application, the right pupil measured ffths x ffths, and the left, ffths x ffths of an inch. 

 39 minutes after the application, „ i f ths x ffths, „ ffthsxffths „ 



1 hour „ „ ixths x ffths, „ ffths x ffths 



1 30 minutes „ „ ffths x ffths, „ ffths + ffths 



2 hours 10 „ „ (j ffthsxffths, „ ffthsxffths „ 

 22 „ „ „ ifthsx ffths, „ ffthsxffths 



