326 Journal of the Asiatic Society of Bengal. [N.S., XVII, 
The diagram below perhaps exhibits the grouping more 
distinctly. It is, at any rate, interesting and suggestive. 
200 
C, 
T q 
rT 
hymns in each & book 
ro} 
ro) 
+ 
T 
Number of' 
Bookl: 2D. WW. ¥ VI 
=~. RIG VEDA 
We ME a: 
The parallelism between the lines B,, B,'and A,, A;, A 
cannot be accidental. Neither can the facts hat P (the mean 
between B, and B.) has exactly half the value 0, or C,, and 
that A, is the exact mean of A, and A, be accidental. The 
positions of B, and B, should also be noted. 
the individual books we note the following peculiarities : 
Each of the ‘family books’ is divided into two or more main 
groups and finishes up with what may be termed a tail-end 
