Am.  Jour.  Pharm.  1 
October,  1896.  / 
Oil  of  Monarda  Fistulosa. 
545 
Fraction. 
—  1700 
I70°-l£o° 
l8o°-I90° 
I90°-200° 
200°-220° 
Ught  Oil. 
75-0  c.c. 
55"5  c.c. 
5'5  c.c. 
2"0  C.C 
Heavy  Oil. 
l8"0  C.C. 
47'oc.c. 
10*0  c.c. 
ii'5  c.c. 
n*o  c.c. 
Total. 
9'3oc.c. 
102*5  c.c. 
15*5  c.c. 
I3'5  c.c. 
II'OC.C. 
The  corresponding  fractions  were  then  mixed  and  refractionated. 
The  results  of  the  second  fractionation,  together  with  quantity, 
specific  gravity  and  rotatory  power  of  the  fractions,  are  recorded  in 
the  last  table : 
Rotatory  Power 
in  a  100  mm. 
Fraction. 
Quantity. 
Specific  Gravity. 
tube  at  200 
[a]D. 
160  -I65 
6"o  c.c. 
0*8474  at  20°  C. 
I65-I69 
8*o  c.c. 
0*8438  at  200  C. 
—  2°  l/ 
—  2-37 
IO9  —I7O 
b  5  c.c. 
0  0400  at  20  -u. 
  I  30' 
—  i*77 
I7O  —ljl 
II'O  c.c. 
O  0427  at  20  -L. 
—  1  2' 
—  1*22 
I7I  -I72 
9'o  c.c. 
0  0620  at  20  L. 
  I  O 
1*15 
I72°-I73° 
20'0  C.C. 
0  8400  at  20  L. 
—  O  IO/ 
—  0*19 
i73°-i74° 
20*0  C.C. 
0*8682  at  200  C. 
—  o°  8/ 
—  0*15 
r  O  0440  at  24  L.. 
+  o°  36' 
4-  0*71 
I74°-I75° 
25"5  c.c. 
^  0  0052  at  4 
1  0  0400  at  24  C. 
i75°-i76° 
18-5  c.c. 
0  0663  at  4  L. 
+  1°  2/ 
4"  1*22 
i76°-i77° 
I4'5  c.c. 
0*8502  at  200  C. 
4-  i°  34' 
+  1-84 
i77°-i78° 
n*o  c.c. 
0*8547  at  200  C. 
+  i°  25/ 
+  1-67 
i78°-i79° 
io"5  c.c. 
0*8528  at  200  C. 
.    +  i°  35' 
+  i-88 
i79°-i8o° 
9*o  c.c. 
0*8573  at  2i>°  C. 
+  i°  44' 
4"  2*02 
i8o°-i82° 
8"o  c.c. 
0*8649  at  200  C. 
+  i°  35' 
4-  1-83 
i82°-i84° 
9*0  c.c. 
0*8650  at  200  C. 
4- 1°  5s/ 
+  2*23 
i84°-i88° 
7*8  c.c. 
o-8686  at  200  C. 
+  ic  45' 
+  2'OI 
i88°--i93° 
0-5  c.c. 
i930-i980 
0-5  c.c. 
i98°-2oo° 
2  5  c.c. 
200°-2IO° 
3'5  c.c. 
2IO°-220° 
3-0  c.c. 
220°-230° 
i*o  c.c. 
230°-235° 
2*0  C.C. 
235°-24o° 
ii"5  c.c. 
0*9430  at  200  C. 
Residue 
3-0  c.c. 
This  table  emphasizes  what  was  demonstrated  a  year  ago.  More 
oil  is  being  distilled  this  year,  so  that  larger  iractions  of  the  non- 
phenol  constituents  may  be  obtained  for  a  more  detailed  chemical 
examination. 
Pharm.  Chem.  Laboratory, 
University  of  Wisconsin. 
