Nebel—TJie Amount of Food Eaten hy the Spider 
529 
Table II —Showing the weekly average number of fruit flies eaten hy seven 
spiders, from October 1, 1915 to January 26, 1916. 
Spider ^ 
1 
2 
3 
4 
5 
6 
7 
1st week. 
28 
31 
32 
16 
13 
2nd week. 
12 
9 
13 
9 
8 
3rd week..... 
6 
6 
3 
9 
0 
4th week. 
4 
4 
1 
7 
1 
46 
0 
5th week.. 
19 
36 
2 
2 
0 
9 
0 
6th week......_ 
28 
40 
4 
3 
0 
4 
1 
7th week. 
1 
12 
31 
11 
1 
22 
23 
8th week.... 
29 
0 
88 
19 
2 
33 
47 
9th week..... 
12 
18 
67 
16 
0 
26 
21 
10th week.. 
19 
45 
32 
19 
3 
12 
11th week. 
18 
3 
16 
5 
17 
16 
12th week.......... 
13 
17 
42 
32 
7 
41 
13th week.. 
27 
40 
58 
29 
14 
72 
14th week.......... 
Starved 
15th week.. 
39 
34 
49 
26 
12 
49 
Total.. 
262 
312 
490 
212 
82 
358 
92 
Ave. per day_ 
2.5 
3 
4.5 
2.25 
.83 
4.5 
2. 
34—S. A. L. 
