88 
Biology of Ixodidae 
Time required for metamorphosis. 
Egg to Larva. The time being reckoned from the date on which the female began ovi¬ 
positing to the day on which the first larvae hatched. These eggs were laid by the 
females to which the foregoing record relates. They were maintained at a tempera¬ 
ture of 19-23° C. 
Lot a 
Lot h 
Progeny of 
Larvae emergert 
? No. 
Eggs laid on 
after 
1 
15. VII. 1911 
37 days 
2 
14. „ 
32 
.3 
14. „ 
32 
4 
16. „ 
32 
1 
6. VI. 1911 
38 days 
2 
4- „ 
39 
3 
0. „ 
37 
•5 
5. ,, 
49 
(i 
3. 
40 
7 
3. „ 
30 
8 
3. ,, 
39 
9 
3. „ 
39 
10 
7. ,, 
39 
13 
3. „ 
37 
14 
,, 
30 
15 
4. „ 
43 
10 
7. ,, 
34 
17 
3. 
38 
18 
3. „ 
36 
10 
3. „ 
41 
20 
7. ,, 
34 
21 
4. ,, 
45 
22 
4. „ 
31 
23 
3. „ 
30 
24 
3. „ 
30 
25 
•) 
w, ,, 
33 
