88 
Doses  in  the  U.S. P. 
A.m.  Jour.  Pharm. 
February,  190C. 
Just  what  the  members  of  the  present  Committee  on  Revision 
consider  to  be  metric  quantities  is  perhaps  best  illustrated  by  a  sum- 
mary of  the  figures  given  in  the  Pharmacopoeia  as  average  doses,  and 
an  enumeration  of  the  number  of  times  that  each  quantity  reoccurs. 
Doses  by  Weight. 
Number  of  Times 
Mentioned. 
0-00015  gramme 
==  1/400  grain 
0*0003 
=  1/200  " 
0-0004  " 
=  1/160  " 
0*0005  " 
=  1/128  " 
O'OOI  " 
=  1/64  " 
0*002  " 
=  1/30  " 
O-O03 
=  1/20  " 
0'005 
=  1/10  " 
0*008 
=  % 
O'OIO 
=  i/5 
0-015 
=  % 
0-030 
=  lA 
0-045 
=  H 
0-065 
=  1  " 
O'lOO  " 
=  1  y2  grains 
0-125 
=  2  " 
0'200 
=  3 
0-250 
=  4 
0-500 
i-oo 
=  15 
2-00 
=30 
3'00 
=  45 
4*oo  " 
=  60 
8-oo 
=  120  " 
15  "oo 
—  4  drachr 
16 -oo 
=  240  grains 
30-00 
==  1  ounce 
Doses  by  Measure 
0.008  c.c. 
0-030 
0-050 
O'lOO 
0*200 
O-30O 
0-  5.0 
0'600 
1-  oo 
2*00 
4-00 
8-oo 
15-00 
I 
I 
2 
7 
5 
3 
3 
8 
1 
17 
5 
16 
2 
32 
2 
23 
10 
64 
49 
78 
5i 
1 
16 
8 
1 
Number  of  Times 
Mentioned. 
=  l/g  minim 
=  H 
=  I  " 
=  i  Yz  minim; 
=  3 
=  5 
=  8 
=  10  " 
=  15 
=  30 
=  1 
=  2 
=  4 
fluid  drachm 
1 '  drachms 
1 
2 
18 
15 
40 
6 
28 
3 
63 
62 
42 
25 
1 
