1907.] Torelle, Fertilization of Eggs of Asterias and Arhacia. 
121 
TABLE V. 
Asterias* Eggs and Sperm. 
(Used Interchangeably.) 
Female II 
Male I 
Per cent. 
Ether. 
Time sperm 
immersed. 
Per cent, 
eggs divided 
1 
5 min. 
95 
( < 
2 
6 
5 
id) 
Female II 
Male I 
Per cent. 
Ether. 
Time sperm 
immersed. 
Per cent, 
eggs divided 
1 
5 min. 
90 
2 
5 " 
0 
{/) 
{a) 
Female I 
Male I 
Per cent. 
Alcohol. 
Time 
immersed 
Per cent, 
eggs divided 
5 min. 
5 " 
5 
5 " 
90 
5 
5 
0 
Female II 
Male I 
Per cent. 
Alcohol. 
Time sperm 
immersed. 
Per cent, 
eggs divided 
1 
5 min. 
50 
2 
5 " 
1 
5 
5 " 
1 
10 
5 
0 
(^) 
Female I 
Male II 
Per cent. 
Alcohol. 
Time sperm 
immersed. 
Per cent, 
eggs divided 
1 
5 min. 
0 
2 
5 " 
0 
5 
5 " 
0 
10 
5 " 
0 
(^) 
Female II 
Male II 
Per cent. 
Alcohol. 
Time sperm 
immersed. 
Per cent, 
eggs divided 
1 
5 min. 
80 
2 
5 " 
2 
5 
5 " 
2 
10 
5 " 
0 
ii) 
Female I 
Male I 
Per cent. 
NH^Cl 
Time sperm 
immersed. 
Per cent, 
eggs dividec 
0.1 
5 min. 
1 
Female I 
Male 11 
Per cent. 
NH4CI 
Time sperm 
immersed. 
Per cent, 
eggs dividec 
0.1 
5 min. 
0 
Female I 
Male II 
Per cent. 
Ether. 
Time sperm' Per cent 
immersed eggs divided 
5 min. 
5 " 
(h) 
Female II 
Male II 
Per cent. 
Ether. 
Time sperm 
immersed. 
Per cent, 
eggs divided 
1 
5 min. 
90 
2 
5 " 
5 
U) 
Female II 
Male I 
Per cent. 
NH4CI 
Time sperm 
limmersed. 
Per cent, 
eggs divided 
0.1 
5 min. 
1 
Female II 
Male II 
Per cent. 
NH4 CI 
Time sperm 
immersed. 
Per cent, 
eggs divided 
0.1 
5 min. 
2 
