150 
Variation and Inheritance in Aphis 
TABLE VIII. 
Parents and Offspring. 
Offspring : Length of R. Antenna. Unit = 2 divisions of Ocular Micrometer = •04!4'2 mm. 
05 
1 
05 
1 
'■b 
©J 
6b 
1 
®j 
1 
C) 
so 
1 
C5 
^0 
05 
eo 
1 
■30 
Oi 
so 
1 
30 
Oi 
1 
1 
1 
o 
1 
00 
Ci 
1 
o 
Weighted 
Mothers 
Number 
of 
Families 
30-0— 31-9 
2 
3 
1 
2 
4 
1 
13 
2 
32-0— 33-9 
1 
7 
1 
2 
6 
2 
1 
1 
21 
4 
34-0--S5-9 
1 
2 
7 
4 
11 
10 
13 
18 
11 
4 
4 
2 
87 
14 
36-0— 37-9 
1 
5 
4 
5 
3 
11 
6 
1 
2 
0 
1 
39 
8 
38-0— 39-9 
1 
5 
7 
13 
17 
9 
13 
10 
7 
2 
I 
85 
14 
40-0— 41-9 
4 
4 
5 
7 
10 
13 
7 
6 
5 
1 
1 
63 
9 
42-0— 43-9 
2 
5 
4 
3 
3 
1 
21 
4 
U-0—45-9 
1 
0 
1 
2 
1 
3 
6 
6 
4 
1 
25 
3 
46-0—Ji:7-9 
0 
0 
48-0— 49-9 
1 
1 
1 
1 
4 
1 
50-0— 51-9 
2 
5 
2 
1 
10 
1 
Totals 
1 
2 
12 
31 
33 
42 
55 
56 
51 
33 
31 
15 
5 
1 
368 
60 
TABLE IX. 
Grandparents and Grandchildren. 
Grandchildren: Length of R. Antenna. Unit = 2 divisions = "0442 mm. 
c8 O 
a f-i 
a .2 
|g 
« 1 a 
^ o a 
^ .ill 
- -si 
g ^ a 
-a II 
as 
C5 
05 
05 
OS 
Weighted 
Grand- 
parents 
Actual 
SO 
1 
9> 
S'7 
1 
■0-35' 
■0-39' 
■<t- 
1 
i 
Number of 
Grand- 
■<^ 
©J 
so 
©J 
so 
so 
i> 
so 
00 
so 
■<^ 
parents 
30-0— 31-9 
3 
1 
4 
8 
1 
32-0— 33-9 
2 
4 
8 
8 
4 
3 
29 
2 
34-0— 35-9 
1 
6 
15 
10 
3 
11 
7 
2 
55 
7 
36-0— 37-9 
4 
7 
10 
9 
7 
4 
2 
43 
7 
38-0— 39-9 
4 
5 
9 
10 
17 
10 
5 
60 
6 
40-0— 41-9 
1 
0 
3 
11 
25 
15 
10 
7 
4 
2 
78 
5 
42-0— 4S-9 
2 
0 
0 
1 
3 
1 
44-0— 45-9 
3 
2 
3 
4 
3 
15 
] 
Totals 
1 
5 
20 
46 
60 
50 
52 
34 
18 
5 
291 
30 
