The following table gives the results of feeding mice acetanihde 
0.050 plus morphine sulphate 0.002 gram per cake: 
AcetaniUde-morphine . 
Date. 
Weight of mice in grams. 
1- 
. ! 
3. 
4. 
19139 
Anril 17 
April 19 
April 2^ 
April ;S 
IS. 23 
15.73 
1-5.29 
1A7S 
1S.C9 
1A92 i 
1-3.27 
12.12 
1A26 1 
1L23 
9.7S ! 
16. 4S 
1 13.07 
12.30 
'So. 1. dead April 2-4. 7 days; Ao. 2. dead April 24. 7 dairs; Ao. 3. dead April 23. 6 days; No. 4. dead 
April 22, 5 days. 
Another series of mice were fed cakes containing a smaller amount 
of morphine, with the following results : 
Acefanilidf -morphine . 
[reeding mice ac-etanilide 0.0-50 gram pins 0.001 gram morpMne snipliate per c-ake.] 
W eigliT of mice in grams. 
1. 
2. 
3. 
- 
l'A<9. 
April '7 
1A53 
1AS9 
13.43 
15. -52 
April 19 
12.22 
12.60 1 
12.43 
12.91 
April 2" 
12.22 
12.30 
U.44 
11. OS 
Aprils 
12.16 
11-26 
10.16 
No. i. 'dead Apnl 2-5. > -lays; No. 2. dead April 2-5. S -iairs; No. 3. dead April 24. 7 'days; No. A dead 
April 23, 6 days. 
A series of mice were also fed acetanihde 0.050 gram and heroine 
0.00075 gram per cake with the following results; 
Acetan Hide-heroine . 
Weight of mice in grams. 
Date. : 
No. 1. No. 2. No. 3. No. 4. 
19C». 
Apriil7.. 19.10 l-5.siS 17.10 1A32 
Aprill9... 16.75 13.69 14.37 i 12.53 
Ar-ril2I 15. -56 11.42 16.23 1 
ApriI23 lAOl 
No. 1. ileaa April 24. . days: No. 2. dead April S, 6 'days: No. 3, dead April 22. 3 days; No. 4. dead 
April 21. 4 (days. 
A second series of mice fed upon codeine, acetanihde. and heroine 
and morphine gave results the general averages of which are as fol- 
lows: Acetanihde 0.050 gram and codeine 0.010 gram, hved six days: 
acetanihde 0.050 gram and morphine 0.002 gram, three days : acetani- 
