608 
Pharmaceutical  Notes. 
Am.  Joar.  Pharm. 
Dec,  1888. 
5,  American  isinglass ;  No.  6,  French  gelatin,  gold  label ;  No.  7, 
French  gelatin,  bronze  label ;  No.  8,  Cooper's  gelatin. 
No.       12  3          4         5  678 
Ash   0.4     0.643  0.527     2.407  2.17  1.14     2.66  4.775 
Moisture   12.1    12.8  12.5  13.0  12.3  12.8     13.4  13.0 
Insolublein  hot  water      6.0     5.2  5.5  10.0  18.5  Completely  soluble. 
Jelly  with  •.'4  parts  of  Slightly  Opal- 
hot  water  None,  opalescent.  None,  escent.  None.  Transparent. 
Partsofwaterforjelly      18        24  21        24        19  24  24  24 
Commercial  oxide  of  zinc  was  examined  by  William  F.  Hebsacker, 
Ph.  G.,  and 
compared  with  a 
,  sample  prepared  by  himself  (No.  1). 
The  results  tabulated  were  as 
follows  : 
Effervescence 
Solution  treated 
Acid  solution 
with  acids. 
with  excess  of 
treated  with  HaS. 
ammon.  carb. 
Sample.  ^ 
1  
None. 
Perfect  solution. 
No  effect. 
2 
None. 
Slight  precipitate. 
No  effect. 
3  
Slight. 
Perfect  solution. 
Slight  precipitate. 
4  
Slight. 
Slight  precipitate. 
No  effect. 
Slight. 
Slight  precipitate. 
No  effect. 
6  
Strong. 
Slight  precipitate. 
No  effect. 
7  
None. 
Slight  precipitate. 
Slight  precipitate. 
8  
Strong. 
Perfect  solution. 
No  effect. 
9  
Slight. 
Slight  precipitate. 
No  effect. 
10  
Slight. 
Perfect  solution. 
Slight  precipitate. 
PHARMACEUTICAL  NOTES. 
Abstracts  from  Theses. 
Abstractum  Ehamni  Purshiance  is  a  new  preparation.  Made  into 
compressed  pills  it  is  one  of  the  most  agreeable  forms  for  administer- 
ing this  drug,  without  the  unpleasant  taste,  which  is  difficult  to  dis- 
guise. The  dose  is  from  three  to  fifteen  grains.  Harry  Lippen,  Ph. 
G.,  gives  the  following  process  for  making  this  abstract: 
Mix  alcohol  15  fluidounces  with  water  1  fluidounce,  and  moisten 
with  2  fluidounces  of  the  menstruum  four  ounces  of  the  bark  in  No. 
60  powder,  pack  in  a  percolator,  and  by  maceration  and  displace- 
ment exhaust  the  powder,  reserving  the  first  3J  fluidounces  of  the 
percolate.  Distill  off*  the  alcohol  from  the  remainder,  mix  the  resi- 
due with  the  reserved  portion,  place  the  mixture  in  an  evaporating 
