A  October S™')    Recent  Literature  Relating  to  Pharmacy.  505 
Fat-free  Digitalis  is  made  by  exhausting  the  ground  leaves  with  petroleum 
benzin  to  remove  fat,  etc.,  and  drying  the  residue  thoroughly  to  remove  traces 
of  benzin  odor.  The  fat-free  tincture  is  made  from  the  fat-free  digitalis  by 
percolating  with  diluted  alcohol  to  exhaustion  and  neutralizing  free  fatty  acids 
in  percolate  with  sufficient  water  of  ammonia.  Lastly,  sufficient  menstruum 
is  added  to  percolate  to  make  the  necessary  volume. 
Dose  :  10  to  30  minims. 
J.  W.  E. 
Tinctura  Piperis  Nigri. 
Bach  teaspoon ful  represents  : 
Powd.  Black  Pepper   4  gr.       0  25  gm. 
Alcohol,  to  measure  1  fl.  dr.  4  c.c. 
Dose  :  15  to  60  minims. 
UNGUENT  A. 
Unguentum  Album. 
Zinc  Oxide   30  gr.  2  gm. 
Alcohol  1  fl.  dr.  4  c.c. 
Oil,  Castor,  to  measure  1  fl.  oz.  30  c.c. 
Hornor. 
Unguentum  Balsami  Peruviani. 
Balsam,  Peru  ,   1  dr.  4  c.c. 
Petrolatum,  to  make  1  tr.  oz.  30  gm. 
Unguentum  Hydrargyri  Ammoniati . 
Mercury,  Ammoniated   48  gr.  3  gm. 
Glycerin   30  m.  2  c.c. 
Cerate,  to  make    .  1  tr.  oz.        30  gm. 
Philadelphia  Hospital. 
Unguentum  Ichthyol. 
Ichthyol  (Am.)  
Cerate  
Unguentum  Mauri. 
Powd.  Rhubarb  
Powd.  Opium   30  gr 
Oint.  Mercuric  Nitrate  
Petrolatum,  to  make  1  tr.  oz. 
Unguentum  Petrolati  Carbolatum 
Acid,  Carbolic  
Glycerin  
Unguentum  Zinci  Carbolatum. 
Acid,  Carbolic  
Glycerin  
I 
dr. 
4  gm. 
7 
dr. 
26  gm. 
30 
gr- 
2  gm. 
30 
gr. 
2  gm. 
1 
dr. 
4  gm. 
1  tr. 
oz. 
30  gm. 
Maury. 
30 
m. 
2  c.c. 
30 
m. 
2  c.c. 
tr. 
oz. 
30  gm. 
30 
m. 
2  c.c. 
30 
m. 
2  C.C. 
tr. 
oz. 
3°  gm. 
