152 Symmetry of Egg and Symmetry of Emhryo in the Frog 
TABLE II. 
Correlation between First Furrow and Sagittal Plane. 
Plane of Symmetry and Sagittal Plane. 
o 
c 
a 
O 
a 
90 
+ 
90 
+ 
90 Totals Means 
1 
4 
5 
1 
8 
9 
1 
1 
1 
1 
32 
- 1-4 
1 
3 
3 
6 
5 
1 
1 
20 
- -6 
3 
1 
4 
6 
3 
1 
2 
1 
2 
23 
- -11 
2 
2 
4 
6 
1 
1 
1 
17 
+ •14 
1 
1 
7 
4 
5 
3 
3 
3 
27 
+ -2 
1 
3 
8 
24 
21 
14 
7 
4 
3 
85 
0 
+ -5 
1 
1 
2 
3 
8 
15 
15 
11 
3 
1 
1 
2 
63 
+ -1 
3 
6 
6 
4 
4 
1 
24 
+ -7 
3 
5 
5 
2 
3 
1 
2 
1 
22 
+ -7 
1 
1 
8 
3 
5 
3 
2 
23 
+ -7 
1 
1 
4 
5 
3 
2 
16 
+ -8 
1 , 
1 
4 
5 
9 
12 
5 
2 
3 
1 
45 
+ •21 
90 
Totals 2 
7 
10 
25 
48 
99 
92 1 49 
29 
13 
12 
11 
Means -2^5 
- 1 •s 
-1-6 
- ^54 
+ •08 
+ •04 
+ -05 + -7 
+ •8 
+ ^26 
- •oe 
-•32 
397 
p=^138±^031. 
Plane of Symmetry and Sagittal Plane. 
> + 
s 
Fig. 2. 
