33<S 
i)7i the Nest and Egg.s of the Common Tern 
TABLE C. 
Organic Correlation. Mottling and Index. 
Mottling*. 
Totals 
58— i 
60— 
62— 
64~ 
66— 
68— 
70— 
74- 
76 — 
82— 
84— 
86— 
90- 
92- 
] 
0 
3 
6 
2 
4 
5 
13 
5 
8 
4 
6 
1 
6 
1 
1 
5 
12 
34 
82 
110 
119 
77 
36 
9 
2 
— 1 
3 
7 
20 
29 
71 
51 
36 
10 
6 
2 
o 
4 
10 
24 
34 
35 
24 
12 
6 
2 
4 
8 
16 
25 
12 
8 
4 
3 
6 
'4 
0 
10 
3 
1 
13 
8 
2 
5 
2 
2 
1 
17 
36 
78 
181 
260 
253 
175 
69 
27 
4 
0 
3 
1 
0 
0 
1 
Totals 
22 
46 488 
16 237 155 
81 
29 
34 
1108 
Two eggs with no recorded mottling, 
t .58 — contains all eggs 57-95 — 59-95. 
TABLE D'\ 
Organic Correlation. Value of Brown Ground Colour and Breadth. 
Value of Ground Colour. 
Breadth 
B. 
0, 
Totals 
,'2-60— 
0 
2-65 — 
1 
1 
2-70- 
1 
1 
1 
3 
■ 2-75— 
4 
2 
1 
2 
1 
10 
2-80- 
2 
1 
3 
1 
5 
1 
13 
2-85— 
4 
5 
2 
4 
3 
1 
2 
2 
23 
2-90— 
i 
6 
6 
9 
4 
2 
3 
4 
2 
3 
46 
2-95— 
9 
13 
8 
16 
6 
4 
6 
1 
8 
4 
75 
3-00— 
12 
15 
18 
27 
9 
4 
1 
4 
4 
3 
97 
3-05— 
9 
14 
8 
18 
13 
4 
3 
5 
4 
2 
80 
3-10- 
8 
11 
9 
10 
8 
3 
7 
1 
1 
2 
60 
3-15— 
1 
6 
4 
4 
1 
1 
2 
19 
3-20— 
1 
4 
1 
3 
1 
1 
9 
2 
3-25— 
3-30- 
1 
Totals 
54 
76 
63 
95 
51 
21 
23 
19 
19 
18 
439 
