Dec. ii, 1916 
Maerosiphum granarium 
47i 
Tablr III .—Line of generations of Maerosiphum granarium at Richmond , Ind., in igo8 
Date. 
Temper¬ 
ature. 
First-born generation series. 
Last-born genera¬ 
tion series. 
1 
I 
i 
1 
1 
i 
w 
£ 
Ph 
1 
i 
! 
to 
I 
6 
g 
1 
1 
n 
1 
i 
1 
! 
•SS 
1 
s 
1 
!55 
B 
3 
£ 
1 
w 
I 
1 
I 
1 
£ 
g 
g 
l 
1 
g 
g 
S 
1 
£ 
B 
g 
g 
fc 
i 
I 
S 
3 
to 
S 
bo 
1 
g 
g 
& 
8 
bo 
1 
pc, 
1 
I 
1 
£ 
1 
g 
l 
’I 
8 
3 
| 
j 
to 
1 
! 
1 
to 
1 
to 
1 
bO 
I 
8 
1 
I 
bo 
i 
1 
I 
I 
1 
I 
bo 
a 
1 
1 
I 
! 
£ 
to 
Mar. 27 
Apr. 18 
19 
20 
21 
22 
23 
24 
25 
26 
27 
28 
29 
30 
May 1 
2 
3 
4 
5 
6 
7 
8 
9 
10 
11 
12 
13 
14 
15 
16 
17 
18 
19 
20 
21 
22 
23 
24 
25 
26 
27 
28 
29 
30 
31 
June 1 
2 
3 
4 
5 
6 
7 
8 
9 
10 
11 
12 
13 
14 
15 
16 
17 
18 
19 
20 
21 
22 
°F. 
78 
63 
70 
68 
68 
79 
79 
71 
74 
80 
67 
54 
46 
56 
47 
ss 
SO 
52 
76 
63 
49 
6 S 
73 
76 
80 
80 
84 
85 
86 
87 
77 
68 
76 
79 
81 
83 
85 
92 
86 
88 
90 
90 
78 
71 
64 
76 
70 
82 
84 
87 
90 
86 
78 
77 
72 
82 
88 
70 
64 
74 
82 
90 
91 
80 
°F, 
S3 
SS 
50 
39 
33 
35 
52 
60 
61 
53 
42 
38 
36 
33 
29 
35 
37 
4i 
49 
49 
41 
41 
42 
44 
45 
60 
SS 
57 
59 
52 
54 
61 
54 
54 
50 
57 
58 
55 
55 
66 
57 
57 
62 
62 
55 
43 
43 
52 
61 
50 
55 
60 
64 
64 
54 
43 
51 
59 
58 
45 
30 
47 
65 
66 
6c 
<>B 
0 
2 
2 
0 
2 
2 
2 
4 
0 
2 
1 
O 
0 
0 
O 
I 
}■ 
0 
O 
O 
} 4 
1 2 
/ 3 
0 
1 
2 
} 2 
• 
B 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
0 
{l 
4 
2 
1 
0 
1 
t>D 
B 
0 
{l 
0 
0 
0 
0 
2 
}< 
a 
4 
X 
} 3 
1 
0 
0 
0 
D 
B 
{0 
0 
0 
0 
1! 
4 
4 
I 
I 3 
I 
}■ 
I s 
X 
}«' 
1 
0 
2 
2 
2 
1 
O 
}« 
X 
2 
0 
2 
O 
O 
O 
}* 
O 
O 
O 
O 
0 
O 
O 
O 
O 
0 
0 
0 
D 
.... 
.... 
B 
0 
0 
0 
{0 
0 
li 
2 
it 
2 
■ X 
0 
2 
X 
O 
2 
O 
X 
O 
D 
B 
0 
0 
0 
0 
0 
0 
0 
0 
0 
b 
0 
0 
0 
0 
2 
0 
0 
0 
0 
3 
X 
0 
0 
0 
2 
X 
B 
0 
0 
0 
0 
0 
0 
{° 
2 
1 
3 
8 
4 
2 i 
B 
0 
0 
0 
{0 
0 
0 
89 65 
9i i 64 
