Nehd—The Amount of Food Eaten hy the Spider 
527 
Description of Experiments 
Table I _ Showing the number of fruit flies eaten daily by seven spiders. 
One and four were males; tivo, three, flve, six and seven were females. 
Spider 
1 
2 1 
I 
3 
4 
5 
6 
7 
Oct. 1... 
4 
4 
2 
1 
4 
Oct. 2...... 
5 
5 
5 
5 
1 
Oct. 4... 
5 
4 
5 
3 
3 
Oct. 5..... 
4 
6 
5 
2 
1 
Oct. 6.. 
4 
6 
6 
2 
0 
Oct. 7..... 
3 
4 
6 
1 
2 
Oct. 8............... 
3 
2 
3 
2 
2 
Oct 9.... 
1 
3 
2 
4 
3 
Oct. 10.. 
3 
0 
2 
0 
1 
Oct 11.. 
2 
1 
1 
1 
3 
Oct, 12. 
3 
3 
4 
2 
1 
Oct. 13.... 
0 
3 
0 
0 
Oct. 14... 
1 
1 
0 
0 
Oct 15... 
1 
2 
1 
1 
0 
0 
3 
1 
0 
0 
Oct. 17.. 
0 
1 
2 
3 
0 
Oct. 18... 
1 
0 
0 
1 
0 
Oct. 19.. 
3 
1 
0 
0 
0 
Oct 20.. 
2 
1 
0 
1 
0 
Oct 21.. 
0 
0 
0 
2 
0 
Oct 22. t. 
0 
0 
0 
2 
0 
Oct. 23. 
1 
0 
0 
10 
0 
Oct. 24. 
1 
1 
1 
1 
1 
11 
0 
Oct. 25. 
1 
1 
0 
1 
0 
13 
0 
Oct. 26... 
0 
0 
0 
0 
0 
6 
0 
Oct. 27........... . 
1 
0 
0 
2 
0 
3 
0 
Oct. 28.. 
0 
0 
0 
0 
0 
2 
0 
Oct. 29,.. 
0 
1 
0 
2 
0 
1 
0 
Oct. 30.. 
0 
2 
0 
1 
0 
2 
0 
Nov. 1.. 
3 
7 
0 
0 
0 
2 
0 
Nov. 2. 
6 
8 
0 
0 
0 
2 
0 
Nov. 3... 
4 
9 
0 
0 
0 
'1 
0 
Nov. 4. 
0 
5 
1 
0 
0 
0 
0 
Nov. 5. 
0 
2 
1 
0 
0 
1 
0 
Nov. 6-...-- 
6 
3 
0 
1 
0 
2 
0 
Nov. 7... 
6 
7 
1 
0 
0 
0 
0 
Nov. 8.. 
2 
0 
1 
0 
0 
1 
0 
Nov. 9... 
7 
5 
0 
0 
0 
1 
0 
Nov. 10... 
6 
12 
0 
2 
0 
1 
0 
Nov. 11.... ....... 
7 
8 
2 
1 
0 
0 
0 
Nov. 12.. 
0 
1 
0 
0 
0 
1 
1 
Nov. 13....... 
0 
7 
0 
0 
0 
0 
0 
Nov. 14. 
0 
3 
1 
0 
0 
0 
0 
Nov. 15.. 
0 
0 
1 
5 
0 
0 
0 
Nov. 16............ 
0 
0 
0 
4 
0 
3 
1 
Nov. 17... .. 
0 
7 
8 
1 
1 
3 
2 
Nov. 18.. 
0 
0 
6 
0 
0 
8 
7 
Nov. 19..... 
0 
2 
7 
0 
0 
4 
4 
Nov. 20. 
1 
0 
8 
1 
0 
4 
9 
Nov. 21... 
2 
0 
7 
0 
1 
4 
6 
Nov. 22. 
3 
0 
12 
2 
0 
7 
8 
Nov. 23.... 
4 
0 
16 
6 
0 
4 
2 
Nov. 24. 
9 
0 
17 
1 
0 
6 
5 
Nov, 25. 
4 
0 
15 
1 
0 
4 
4 
Nov. 26.. 
3 
0 
10 
2 
0 
4 
7 
Nov. 27.. 
4 
0 
11 
4 
1 
4 
15 
Nov. 28. 
3 
0 
10 
2 
0 
4 
8 
Nov. 29... 
2 
0 
15 
1 
0 
2 
5 
Nov, 30... 
1 
2 
8 
0 
0 
8 
4 
Dec. 1.. 
1 
2 
7 
0 
0 
8 
3 
