76 
BULLETIN OF THE BUREAU OP FISHERIES 
Table 16. — Constants for each frequency distribution, Columbia River collections — Continued 
COLLECTIONS MADE INSIDE THE EIVER— Continued 
Locality and date 
Type of 
nucleus 
Year 
class 
Sex 
Num- 
ber 
Length in centimeters 
Mean 
S. D. 
Logarithm of egg diameter 
Mean 
S. D. 
4. Ilwaco, Mayl7aBdl8,1920 
(from gill nets and traps). 
Ocean. 
6. Chinook, May 27,1919 (from 
traps in Baker Bay). 
Stream... 
Ocean. 
6. Dodson, May 30 and 31, 
1919 (from wheels and 
seines) . 
7. Ilwaco, June 10, 1919 (from 
gill nets). 
8. Seufert, June 16, 1919. 
Stream 
Ocean.. 
Stream. 
Ocean- 
Stream. 
Ocean.. 
Stream. 
Warrendale, June 16 and 
17, 1919 (wheels and 
semes) . 
Ocean. 
Stream 
M..., 
F 
Both. 
M..., 
F 
Both. 
M... 
F 
Both. 
M..., 
F 
Both. 
M... 
M... 
F 
Both. 
M... 
M... 
M... 
F 
Both. 
F 
F 
M.... 
M... 
M... 
M... 
F 
Both. 
M... 
F 
Both. 
M... 
F 
M_.. 
M... 
F 
Both. 
M... 
F 
Both. 
M... 
M... 
M... 
F 
Both. 
M... 
F 
Both. 
M.... 
M... 
F 
Both. 
M... 
F...., 
Both. 
M... 
F 
Both. 
M... 
F 
M... 
F 
Both. 
M... 
M... 
F 
Both. 
M_-. 
F 
Both. 
M... 
84.00 
97.00 
88. 33 
111.00 
93.00 
102. 00 
66. 33 
78. 33 
72.33 
101.28 
94. 45±1. 03 
96. 67± . 87 
51.00 
82. 30 
83. 30 
83. 10 
125. 00 
49. 00 
81. 60 
83. 50 
82.30 
86 40 
93.00 
46.50 
65. 00 
49.90 
77. 29±1. 01 
78. 23± . 96 
77. 70± 
101.00 
97.00 
97.80 
111.00 
71 
101.00 
114.00 
82.33 
84.00 
83.00 
108.00 
94. 50 
100. 30 
123.00 
61. 
111. 
108. 
109. 
123. 
115. 
119. 
62. 
76. 
81. 
79. 
103. 
101. 
102. 
115. 
109. 
114. 
00 
00 
00 
30 
00 
00 
00 
60 
52±1. 16 
54±1. 03 
30± . 81 
80 
56± . 96 
36± . 76 
60 
00 
00 
67.00 
91.00 
114.60 
108. 80 
111. 70± .89 
54.64 
72. 92± . 72 
81. 35±1. 03 
75. 06± . 66 
102.00 
96. 00± 
98. 00± 
123.00 
76 
0. 63 
.67 
. 25±0. 73 
. 48± . 62 
.5366 
'''."5804±6."6678 
0. 0600±0. 0055 
8. 78± . 72 
7. 30± . 68 
8. 18± . 50 
7. 86± . 82 
7. 76± . 73 
8. 20± . 57 
6. 06± . 68 
6. 00± . 54 
5. 9 ± . 63 
7. 5 ± .51 
6. 3 ± . 73 
8. 08± . 47 
5. 02± . 54 
6. 50± . 61 
.572 
.584 
.595 
.620 
. 6977± . 0092 
.0693±.0065 
.6930 
.550 
.650 
."too" 
.53 
.6569± .0093 
. 0696± . 0065 
. 6500± . 0160 
."51 
. lOlOi . 0113 
.43 
.538 
. 6324± . 0087 
. 0530± . 0061 
. 6910± . 0075 
. 0496± . 0053 
1 Calculated for 27 mature specimens. For one other log 
D was 0.11; for another, 0.29. 
