38 THE DISPERSION OF THE GIPSY MOTH. 
Table V. — Temperature, direction, and velocity of wind, etc. — Continued. 
PORTLAND, ME. 
Date. 
Hours 7 a. m. to 7 p. m. 
Maximum 
tempera- 
ture. 
Direction of 
wind. 
Velocity 
of wind. 
1907. 
Mav 10 
19 
10 to 2 
° F. 
65 to 67 
67 to 70 
65 
67 to 75 
73 to 81 
66 to 77 
67 to 69 
65 
67 
66 to 71 
67 to 75 
78 to 87 
69 to 84 
65 to 75 
66 
65 to 67 
67 to 70 
66 to 68 
66 to 70 
68 
65 to 67 
65 to 74 
65 
67 to 68 
65 
65 to 69 
65 to 67 
65 to 68 
65 to 67 
65 to 66 
65 to 68 
65 
65 to 74 
65 to 77 
66 
68 to 80 
65 to 7 5 
65 to 75 
66 to 72 
66 to 76 
65 to 73 
67 
67 to 74 
65 to 73 
84 to 88 
65 to 69 
66 to 76 
74 to 80 
66 to 70 
W 
Miles 
per hour. 
12 to 32 
10 to 2... 
SE 
10 to 14 
20 
1 to3 
W 
18 to 20 
1908. 
Apr. 23 
26 
10 to 5 
W. 
13 to 20 
10 to 7 
sw., w. 
N, NW. 
s 
10 to 21 
May 11 
12 
11 to 1,3 to 5 
12 to 23 
12 to 2, 4 to 5 
13 to 14 
13 
10 to 11 
N 
12 
18 
3 to 4 
s 
10 
19 
11 to 3 
s 
11 to 18 
26 
11 to 7 
5 
12 to 18 
27 
8 to 5 
W., NW 
W.,SW. 
NW. 
10 to 15 
31 
7 to 5 
13 to 20 
1909. 
May 6 
11 
9 to 5 
14 to 19 
11 
1 to 2. . . 
s 
12 
11 to 5 
NW 
21 to 36 
13 
12 to 3 
W. 
11 to 13 
15 
1 to 6. . . 
NW 
12 to 14 
26 
9 to 4. . . . 
NW..S 
SE 
10 to 17 
27 
10 
30 
2 to 6 
NW 
20 to 24 
31 
8to 7 
NW. 
12 to 24 
1910. 
Apr. 14 
2/ 
1 to 3 
w 
20 to 21 
12 to 3 
SW.... 
10 to 15 
Mav 10 
2 to 3 . 
w 
19 
17 
11 to 5 : 
SE.,S 
NW./S 
s 
s 
s 
SE 
SE 
S.,SW 
S 
AY 
11 to 15 
20 
9 to 1 
11 to 15 
24 
11 to 5 
10 to 16 
25 
12 to 2 
14 to 18 
26 
12 to 2 
11 to 15 
27 
12 to 4. , 
10 to 15 
1911. 
Apr. 27 
28 
2 to 3 
10 
9 to 10, 2 to 9 
10 to 14 
29 
1 to 6 
10 to 12 
Mav 2 
8tol 
8 to 9, 10 to 6 
18 to 20 
7 
W., NW 
5 
10 to 18 
8 
10 to 5 
13 to 19 
10 
8 to 11, 1 to 3, 4 to 6 
NW., N..S... 
S...SW 
W., NW 
NW., W 
S 
10 to 15 
12 
6 to 7, 10 to 2 . 
11 to 18 
13 
16 
8 to 5 
10 to 6 
14 to 20 
12 to 16 
17 
12 to 1 
11 
18 
1 to 3 
SE 
S 
S 
11 
21 
9 to 9 
11 to 18 
22 
2 to 5 
10 
27 
11 to 3 
s 
12 to 16 
28 
10 to 9 
s 
11 to 20 
29 
9 to 6 
s 
10 to 12 
30 
1 to 4 
s 
10 to 13 
In order to study these tables properly the data from each State 
should be considered separately. Hatching takes place later in the 
vicinity of Portland, Me., and Concord, N. H., than in the terri- 
tory surrounding Boston, because the season is later. In Massachu- 
setts the same conditions prevail in all of the towns which are on 
the watersheds of the Merrimac and Connecticut Rivers. An ex- 
amination of the records, however, shows that the prevailing winds 
