192 Sipnmctrij of Egg and Symmetry of Embryo in the Frog 
TABLE XL. Wlieii the Sjjerm-path is either included in or is parallel 
to the First Furroiv. 
Angle 
Eggs close. Axes horizoutal 
Eggs spaced. Axes vertical 
Sperm-entrauce 
Meridian and 
Plane of Symmetry 
Plane of 
Symmetry and 
First Furrow 
Sperm-entrance 
Meridian and 
Plane of Symmetry 
Plane of 
Symmetry and 
First Furrow 
_ 90—75 
75—60 
60—1^5 
J,5~S0 
30—15 
15-0 
15—30 
30—45 
45—60 
60—75 
75—90 
2 
0 
1 
1 
2 
10 
2 
3 
2 
3 
7 
2 
0 
1 
2 
2 
9 
2 
2 
2 
2 
8 
0 
0 
0 
1 
0 
3 
0 
2 
0 
0 
0 
0 
0 
0 
1 
0 
3 
0 
2 
0 
0 
0 
Totals 
43 
43 
11 
11 
M 
17-27° ±4-41 
16-22° ±4-52 
4-77 ±4-07 
4-77 ±4-07 
o- 
42-90' ±3-12 
43-91° ±3-20 
20-01 ±2-88 
20-01 ±2-88 
TABLE XLf. Gurreldtion between Sperni-entrance Meridian and First 
Furroiu witeii the Sperm-iKith is directed towards tlie First Furrow. 
Eggs spaced. Axes vertical. 
Spenn-entrance Meridian and Plane of Symmetry. 
CM 
+ 
Totals 
go 
go 
1 
1 
0 
1 
1 
1 
1 
1 
2 
1 
1 
1 
1 
5 
1 
1 
0 
+ 
1 
1 
1 
1 
2 
0 
2 
0 
go 
Totals 
0 
0 
1 
1 
2 
3 
4 
1 
0 
1 
0 
1 
14 
p = -502 ± -135. 
