CHLORAL HYDRATE. 

 EXPERIMENT No. 2. 



125 



Kymograph records : 



EXPERIMENT No. 3. 



Cat A, (red ink curve 0.35 Gm. xkg. Chloral. 



Cat B, (blue ink curve) 0.35 Gm. x kg. Chloral + Caffeine 0.12 Gm. 



Indicate extent of soporific effect on ordinates every half hour. 



