THE GEAPE LEAFHOPPER IN THE LAKE ERIE VALLEY. 
29 
Table XI. — Length of each of the five nymphal stages of the grape leaf hopper for 114 
nymphs recorded from June 22 to October 13, 1912 — Continued. 
1 
A 

Is 
A 

'0 
£ 
03 
03 
.'a 
a 
C 
O 
8 
CD 
SsjO 
1 
O 
O 

a 
to 
■Ji 
A 

£ 
A 
-. 
5 
m 
O 
a 
A 
A 
a . 
s.2 
— -c <t> 
03 ft 
O 
v e r a g e daily 
temperature for 
entire nymphal 
period. 
G 
£ 
Pm 
0Q 
m 
EH 
E" 1 
fe 
'— rH 
rH 
&H 
<! 
1912: 
1912. 
Dys. 
1912. 
Dys. 
1912. 
Dys. 
1912. 
Dys. 1912. 
Dys. 
Dys. 
°F. 
Do... 
Aug. 20 
6 
Aug. 25 
5 
Sept. 1 
7 
Sept. 4 
3 1 Sept. 10 
6 
27 
71.48 
Do... 
...do.... 
6 
Aug. 24 
4 
Aug. 29 
5 
Sept. 3 
5 Sept. 9 
6 
26 
71.33 
Do... 
...do.... 
6 
Aug. 25 
5 
Sept. 1 
7 
2 ! Sept. 10 
7 
27 
71.48 
Do... 
...do.... 
6 
Aug. 24 
4 
Aug. 27 
3 
"Sept." 2' 
6 Sept. 9 
7 
26 
71.33 
Aug. 15 
Aug. 23 
8 
Aug. 26 
3 
Aug. 31 
5 
Sept. 4 
4 Sept. 10 
6 
26 
71.57 
Do... 
Aug. 21 
6 
...do.... 
5 
...do.... 
5 ...do.... 
4 ...do 
6 
26 
71.57 
Do... 
...do.... 
6 
...do.... 
5 
Aug. 30 
4 
...do.... 
5 
...do.... 
6 
26 
71.57 
Do... 
...do.... 
6 
...do.... 
5 
Aug. 31 
5 
...do.... 
4 
...do.... 
6 
26 
71.57 
Do... 
...do.... 
6 
Aug. 25 
4 
Aug. 30 
5 
...do.... 
5 
Sept. 9 
5 
25 
71.42 
Do... 
...do.... 
6 
...do.... 
4 
...do.... 
5 
Sept. 2 
3 
Sept. 10 
8 
26 
71.57 
Aug. 16 
...do.... 
5 
...do.... 
4 
...do.... 
5 
Sept. 3 
4 
...do.... 
7 
25 
71. SO 
Do... 
...do.... 
5 
...do.... 
4 
Aug. 31 
6 
. s .r.. 4 . 
4 
...do.... 
6 
25 
71.80 
Aug. 17 
...do.... 
4 
Aug. 26 
5 
Sept. 1 
6 
3 
Sept, 11 
7 
25 
72.40 
Do... 
Aug. 22 
5 
...do.... 
4 
Sept. 2 
7 
Sept. 5 
3 
...do.... 
6 
25 
72.40 
Do... 
...do.... 
5 
...do.... 
4 
Sept. 1 
6 
...do.... 
4 
...do.... 
6 
25 
72.40 
Do... 
...do.... 
5 
Aug. 27 
5 
...do.... 
5 
...do.... 
4 
...do.... 
6 
25 
72.40 
Aug. 20 
Aug. 25 
5 
Aug. 30 
5 
Sept. 3 
4 
Sept. 6 
3 
Sept. 13 
7 
24 
76.58 
Do... 
Aug. 24 
4 
Aug. 27 
3 
Sept. 2 
6 
Sept. 5 
3 
Sept. 11 
6 
22 
73. 20 
Aug. 21 
Aug. 25 
4 
Aug. 30 
5 
Sept. 3 
4 
Sept, 6 
3 
Sept. 12 
6 
22 
72.95 
Do... 
...do.... 
4 
Aug. 29 
4 
Sept. 2 
4 
...do.... 
4 
Sept. 13 
7 
23 
72.65 
Do... 
Aug. 26 
5 
Sept. 1 
6 
Sept. 4 
3 
Sept. 7 
3 
Sept. 14 
7 
24 
72.66 
Do... 
Aug. 25 
4 
Aug. 29 
4 
Sept. 2 
4 
Sept. 6 
4 
Sept. 12 
6 
22 
73.18 
Do... 
Aug. 26 
5 
Sept. 1 
6 
Sept. 4 
3 
Sept. 7 
3 
Sept, 14 
7 
24 
72.66 
Do... 
Aug. 25 
4 
Aug. 31 
6 
Sept. 3 
3 
Sept. 6 
3 
Sept. 13 
7 
23 
72.65 
Do... 
Aug. 26 
5 
...do.... 
5 
...do.... 
3 
Sept. 7 
4 
Sept. 15 
8 
25 
72.74 
Aug. 22 
Aug. 27 
5 
Sept. 2 
6 
Sept. 5 
3 
Sept. 8 
3 
...do.... 
7 
24 
72.83 
Do... 
Aug. 26 
4 
Aug. 31 
5 
Sept. 3 
3 
Sept. 7 
4 
Sept. 14 
7 
23 
72.78 
Do... 
...do.... 
4 
Sept. 1 
...do 
6 
Sept. 4 
3 
...do.... 
3 
Sept. 15 
8 
24 
72.83 
Do... 
...do.... 
4 
5 
...do.... 
3 
...do.... 
3 
Sept. 14 
7 
25 
72.78 
Aug. 30 
Sept. 3 
4 
Sept. 7 
4 
Sept. 9 
2 
Sept. 13 
4 
Sept. 22 
9 
23 
72.50 
Sept. 4 
Sept. 7 
3 
Sept. 14 
7 
Sept. 15 
1 
Sept. 22 
7 
Oct. 6 
14 
32 
65.01 
Do... 
...do.... 
3 
Sept. 12 
5 
3 
Sept. 23 
8 
Oct. 8 
15 
34 
64.41 
Do... 
...do.... 
3 
Sept. 11 
4 
'Sept." ii' 
3 
Sept. 20 
6 
Oct. 6 
16 
32 
65.01 
Sept. 6 
Sept. 10 
4 
Sept. 14 
4 
Sept. 19 
5 
Sept. 25 
...do 
6 
Oct. 12 
17 
36 
63.64 
Do... 
...do.... 
4 
...do.... 
4 
Sept. IS 
4 
7 
...do.... 
17 
36 
63.64 
Do... 
...do.... 
4 
...do.... 
4 
Sept. 19 
5 
...do.... 
6 
...do.... 
17 
36 
63.64 
Do... 
...do.... 
4 
...do.... 
4 
5 
Sept. 24 
5 
Oct. 10 
16 
34 
63.53 
Do... 
...do.... 
4 
Sept. 13 
3 
' Sept.' is" 
5 
Sept. 25 
7 
Oct. 13 
18 
37 
63.32 
Do... 
...do.... 
4 
Sept. 14 
4 
...do.... 
4 ...do 
7 
...do.... 
IS 
37 
63.32 
