364
62°

THEORY OF STATISTICS.
TABLE B.—Chrysomelidee (beetles). Numbers of General withil,09 R38
Species. (Compiled by Dr J. C. Willis, F.R.S. ; cited from G. U. Yule,
‘A Mathematical Theory of Evolution based on the Conclusions of Dr
J. C. Willis,” Phil. Trams., B, vol. cexiii. 1924, p. 85.
Species. Genera. Species. Genera. Species. Genera.
1 215 32 74 !
90 33 76 1
38 34 77 :
35 35 79 :
21 36 &3
ie 7 : x4
HH 23 /
: z 29
4 i 92
10 = ¢ 93
oy 110
: 4. 114
i 115
43 128
49 132
50 : 133
52 146
h3 163
; 3 196
2 3 217
Z J 227
22 264
o 327
, 399
oo 417
A 4 681
L7 Lud
28 : 71
29 v 72 Total 7
30 3 va