E. Hindle and N. Cunliffe 
365 
For the sake of convenience we shall refer to these periods as the 
pre- and post-amputation periods respectively. 
Date of 
Date of 
Number of 
amputation 
moult 
individuals 
4. iv. 13 
16. iv. 13 
3 
5 5 
17. iv. 13 
1 
5? 
22. iv. 13 
1 
5 5 
29. iv. 13 
1 
5. iv. 13 
16. iv. 13 
1 
5 5 
17. iv. 13 
2 
55 
19. iv. 13 
1 
6. iv.'13 
16. iv. 13 
1 
J 5 
18. iv. 13 
1 
5 5 
20. iv. 13 
1 
5 5 
24. iv. 13 
1 
5 5 
29. iv. 13 
1 
59 
30. iv. 13 
1 
7. iv. 13 
15. iv. 13 
1 
5 5 
17. iv. 13 
1 
5 5 
18. iv. 13 
2 
5 5 
19. iv. 13 
1 
5 J 
25. iv. 13 
1 
8. iv. 13 
15. iv. 13 
1 
5 5 
17. iv. 13 
1 
5 5 
21. iv. 13 
2 
1 J 
22. iv. 13 
1 
5 5 
23. iv. 13 
1 
9. iv. 13 
13. iv. 13 
1 
5 5 
18. iv. 13 
1 
5 5 
22. iv. 13 
1 
5 5 
24. iv. 13 
2 
5 5 
26. iv. 13 
1 
10. iv. 13 
13. iv. 13 
2 
5 5 
14. iv. 13 
2 
J 9 
23. iv. 13 
1 
55 
26. iv. 13 
1 
11. iv. 13 
13. iv. 13 
1 
55 
18. iv. 13 
1 
J J 
20. iv. 13 
1 
99 
23. iv. 13 
3 
Pre¬ 
amputation 
period 
Post¬ 
amputation 
period 
Nature of 
regeneration 
2 
12 
§-£ miniature. 
2 
13 
3 
4 55 
2 
18 
99 55 
2 
25 
5 5 5 9 
3 
11 
§ miniature, leg rather 
3 
12 
f-£ miniature. [thin. 
3 
14 
5 5 5 5 
4 
10 
3 
5 55 
4 
12 
5 5 5 5 
4 
14 
5 5 5 5 
4 
18 
5 5 5 5 
4 
23 
5 5 5 5 
4 
24 
5 9 5 5 
5 
8 
Three-jointed stump, 
with knobbed end. 
5 
10 
| miniature. 
5 
11 
3 
4 55 
5 
12 
1 
2 5 5 
5 
18 
3 
? 55 
6 
7 
None. 
6 
9 
i miniature ; normal 
number of articles. 
6 
13 
miniature. 
6 
14 
o 
U 55 
6 
15 
5 5 5 5 
7 
4 
None. 
7 
9 
J miniature. 
7 
13 
1 2 
nr 5 5 
7 
15 
o 
1r 55 
7 
17 
3 
4 59 
8 
3 
None. 
8 
4 
None. 
8 
13 
f miniature. 
8 
16 
i 
5 55 
9 
2 
None. 
9 
7 
None. 
9 
9 
\ miniature. 
9 
12 
2 
IT 55 
It will be seen that the minimum period in which any regenei'ation 
occurred was eight days, but in this particular case only a three-jointed 
stump appeared. The first tick with a regenerated limb having the 
normal number of articles required a post-amputation period of nine 
days. 
Parasitology vi 
24 
