162 On Homotyposis in Eggs of the Common Tern 
TABLE R. 
Mottling in Pairs of Eggs of same Clutch. 
g + e + d 
c 
h 
/+'■ 
Totals 
ff + e + d 
26 
(' + 5-54") 
4 
(- -81) 
12 
19 
V ^> ) 
4 
(— •91'; 
3 
68 
a 
4 
(- -81) 
4 
( + 2-87) 
1 
(-1-27) 
( + 1-12) 
(- -99) 
(- -92) 
16 
h 
12 
( + 2-37) 
1 
(-1-27) 
8 
( + 3-47) 
9 
(-2-75) 
1 
( ■- '98) 
1 
(- '84) 
32 
c 
19 
(-5-97) 
(+1-12) 
9 
(-2-75) 
40 
( + 9-52) 
(- ''-14) 
3 
(-1-77) 
83 
h 
4 
(- -21) 
(- -99) 
1 
(- "98) 
( - '-14) 
2 
( + 1-13) 
2 
( + 1-19) 
14 
3 
(- -91) 
(- -92) 
1 
(- -84) 
3 
(-1-77) 
2 
( + 1-19) 
4 
( + 3-25) 
13 
Totals 
68 
16 
32 83 
14 
13 
226 
TABLE S. 
Ground Colour of one Egg with. Mottling of the other Egg for 
Pairs of same Clutch. 
Gr.)imd Colour. 
c 
d 
e 
/ 
9-1^ 
Totals 
fj + e + d 
8 
(-3-67) 
11 
( + 1-43) 
(+3-73) 
8 
(-5-16) 
16 
(+ -75) 
11 
( + 2-92) 
67 
a 
1 
( - 1 -96) 
1 
(-1-43) 
(-2-35) 
6 
( + 2-66) 
4 
(+ -13) 
5 
(+2-95) 
17 
h 
2 
(-3-40) 
5 
(+ -57) 
4 
■(- -29) 
3 
(-3-09) 
12 
( + 4-94) 
( + 1-26) 
31 
c 
17 
( + 2-72) 
10 
(-1-71) 
10 
(-1-35) 
24 
( + 7-89) 
15 
(-3-67) 
6 
(-3-88) 
82 
h 
8 
( + 5-56) 
1 
(-1-00) 
1 
(- -94) 
(-2-75) 
4 
(+ -81) 
(-1-69) 
14 
/■+'■ 
3 
(+ -74) 
4 
( + 2-14) 
3 
( + 1-20) 
3 
(+ -45) 
(-2-96) 

(-1-57) 
13 
Totals 
39 
32 
31 
44 
51 
27 
224 
\\\ Tables R — T, the contingency of each cell is given in brackets. 
