ON  THE  ACTIVE  PRINCIPLES  OF  THE  STRYCHNACEiE.  219 
equivalent  to  1*63  c.c.  mercurial  solution,  which  deducted  from 
19-3,  leaves  17.67  c.c  as  the  equivalent  of  brucia,  or  88*35  c.c. 
in  the  6  ounces.  The  latter  number  deducted  from  the  original 
107-5  c.c  leaves  19-15  c.c  as  the  equivalent  of  strychnia. 
The  6  ounces  of  nux  vomica,  exhausted  by  alcohol  of  80  per 
cent.,  therefore  contain 
31*75  grains  of  Brucia. 
4.69      "  Strychnia. 
II.  Six  ounces  of  the  same  powdered  nux  vomica  exhausted  with 
boiling  alcohol  of  80  per  cent,  acidulated  with  hydrochloric  acid. 
The  tincture  from  this  was  treated  in  precisely  the  same  man- 
ner.   The  fatty  substance  contained  more  fluid  oil. 
They  were  found  to  contain 
26*7  grains  of  Brucia. 
8-57     "  Strychnia. 
III.  Tincture  of  Nux  Vomica. 
225  c.c.  contain  2.93  grains  of  Strychnia. 
19.5     "  Brucia. 
IV.  Extract  of  Nux  Vomica.  5  grammes 
Contain  2-46  grains  of  Strychnia. 
7-  75     "  Brucia. 
V.  Extract  of  Nux  Vomica  (Ph.  Boruss.)  4-6  grammes 
Contain  0*7715  grains  of  Strychnia. 
13-1155      "  Brucia. 
VI.  Semen  Ignatios.  2  ounces  displaced  with  alcohol  (80  p.  c.) 
Yielded  4-93  grains  of  Strychnia. 
9-86     "  Brucia. 
VII.  Semen  Ignatice,  (the  same.)    Two  ounces  extracted  with 
alcohol  and  hydrochloric  acid 
Yielded  4-5  grains  of  Strychnia. 
13.73     "  Brucia. 
VIII.  Extract:  Ignatice  Alcohol :   8-15  grammes 
Yielded  4-93  grains  of  Strychnia. 
8-  42     "  Brucia. 
Proceed.  Amer.  Pharm.  Assoc.,  1863. 
