ON OPTICAL POTATORY DISPERSION. 
275 
Scale of molecular rotations 
i 
i—* 
I 
»-> 
to 
I 
►-* 
O 
I 
CD 
I 
O' 
I 
I 
to 
to 
+ 
+ 
O' 
+ 
CD 
+ 
M 
O 
+ 
I-* 
to 
+ 
M 
+ 
O' 
+ 
CD 
+ 
to 
O 
+ 
to 
to 
+ 
bo 
* 
+ 
to 
O' 
+ 
to 
CD 
.Scale of molecular rotations 
2 q 2 . 
