Aug. 15, 1924 
Shape and Weight of Eggs in Relation to Sex of Chicks 197 
Table I .—-Freq uency distribution of egg length and the relative mean length of eggs 
producing males and females, respectively 
Eggs producing— 
Egg length 
■ 
Males 
Females 
Total. 
Mm. 
50.00 to 50.99____ 
6 
8 
14 
51.00 to 51.99____ 
18 
15 
33 
52.00 to 52.99_______ 
25 
25 
50 
53.00 to 53.99....... 
68 
65 
133 
54.00 to 54.99___*.... 
77 
75 
152 
55.00 to 55,99........... 
87 
83 
170 
56.00 to 56.99__ 
86 
80 
166 
57.00 to 57.99........... 
65 
61 
126 
58.00 to 58.99.......... 
47 
37 
84 
59.00 to 59.99.......... 
18 
16 
34 
60.00 to 60.99_____ 
15 
10 
25 
61.00 to 61.99... 
3 
3 
Total... 
512 
478 
990 
Mean length...... 
55.31±0.06 
55. 42±0.07 
55.37±0.04 
Standard deviation____ 
2.18±0.05 
2.17±0.05 
2.17±0.03 
Coefficient of variability........ 
6. 81±0.14 
7.02±0.12 
3.92±0.06 
Table II .—Mean egg length per bird for eggs producing males and females 
respectively 
Pullet No. 
Eggs producing 
i_. ..males ...... 
Eggs producing 
... .females. 
Difference 
Num- 
1 ber 
Mean length 
Num¬ 
ber 
Mean length 
1______ 
f 
16 
Mm. 
54. 83±0.18 
9 
Mm. 
54.36±0.14 
Mm. 
0.47±0.23 
2______ 
14 
54. 32±0.16 
14 
54. 64±0.13 
0.32±0.21 
3_____ 
1 18 
54. 96±0.16 
16 
55. 21±0.15 
0.15±0. 22 
4_______ 
i 11 
55. 06±0. 21 
15 
55.18±0.19 
0.12±0. 28 
5__ 
1 13 
57. 21±0.18 
16 
56. 84±0.12 
0. 33±0. 22 
6__ 
14 
54. 30±0. 20 
14 
54. 27±0.17 
0.03 ±0. 26 
7_ .......... 
17 
56. 68±0.17 
13 
57. 21±0. 21 
0. 63±0. 27 
8____ 
26 
55. 42±0.16 
20 
55. 30±0.12 
0.12±0. 20 
9___ 
25 
55.13±0.14 
24 
55. 25±0.16 
0.12±0. 21 
10____ 
29 
54. 72±0. 22 
18 
53. 84±0.18 
0.88±0. 30 
11____ 
17 
54. 34±0.16 
17 
54.94±0.17 
0. 60±0. 23 
12_____ 
36 
54. 87±0.13 
35 
54. 74±0.22 
0.13±0. 25 
13__...._ 
19 
58. 62±0.19 
16 
57.93±0. 22 
0. 69±0. 29 
14.__ 
36 
57. 79±0. 23 
36 
58. 40±0.14 
0.16±0. 27 
15__ 
20 
54.90±0.14 
38 
54. 69±0.11 
0. 31±0.18 
16.__ 
14 
56. 67±0.18 
15 
57.01±0.15 
0. 34±0. 23 
17__ 
18 
55. 39±0.17 
14 
55. 25±0. 21 
0.14±0. 27 
18__ 
32 
55.08±0.13 
12 
55.17±0.14 
0. 09±0.16 
19__ 
25 
56. 72db0.12 
25 
56. 55±0.19 
0.17±0. 22 
20_ 
27 
54. 37±0.14 
26 
54. 57±0. 20 
0. 20±0. 24 
21__ 
35 
55.11±0.18 
36 
54. 98±0. 23 
0.13±0. 29 
22____ 
8 
55. 44±0. 21 
11 
55. 26±0. 22 
0.18±0. 30 
23__ 
27 
57. 23±0.11 
17 
57. OldzO. 14 
0. 22±0.18 
24____ 
15 
54. 86±0.15 
21 
55. 23±0,18 
0. 37±0. 23 
Total___ 
512 
55. 31±0. 06 
478 
55. 42±0.07 
0.11±0.09 
