164 On Homotyposis in Eggs of the Common Tern 
TABLE V. 
Length and Girth L. in Pairs of same Clutch. 
Length of First Egg. 
2i 
1 
1 
1 
! 
■it- 
1 
•<^ 
1 
! 
1 
1 
Totals 
o 
SO 
■<i- 
10 -SO— 10-39 
1 
1 
10 -40—10 -59 
2 
2 
10-60—10-79 
1 
2 
3 
10-80—10-99 
3 
8 
6 
7 
1 
1 
26 
11-00—11-19 
1 
2 
11 
13 
6 
5 
1 
39 
11-20— 11-39 
2 
5 
13 
19 
5 
4 
48 
11-40—11-59 
2 
3 
6 
21 
10 
8 
2 
1 
53 
11-60—11-79 
2 
3 
8 
4 
4 
15 
2 
38 
11-80—11-99 
5 
2 
10 
4 
21 
12-00-12-19 
1 
1 
1 
3 
Totals 
1 
14 
33 
52 
60 
36 
33 
2 
3 
234 
TABLE W. 
Breadth and Girth L. in Pairs of same Clutch. 
Breadth of First Egg. 
~* 
00 
Oi 
01 
Ob 
Cj 
1 
1 
i 
1 
<jj 
1 
1 
1 
a 
^0 
1 
4 
1 
1 
Totals 
0 
0 
CO 
CO 
0 
®i 
4! 
10-20— 10-39 
1 
1 
10-40-10-59 
1 
1 
2 
10-60-10-79 
1 
1 
1 
3 
10-80—10-99 
1 
3 
5 
8 
6 
2 
1 
26 
11-00-11-19 
4 
3 
12 
8 
7 
5 
39 
11-20—11-39 
2 
3 
10 
13 
7 
7 
5 
1 
48 
11-40—11-59 
2 
6 
7 
12 
11 
5 
5 
1 
49 
11-60-11-79 
3 
1 
7 
6 
14 
3 
4 
38 
11 -80-11 -99 
1 
5 
6 
5 
2 
2 
21 
12-00— 12-19 
2 
1 
3 
Totals 
1 
1 
0 
0 
2 
12 
16 
47 
55 
62 
25 
17 
2 
230 
