342 
BULLETIN OF THE UNITED STATES FISH COMMISSION. 
No temperature records whatever are available, but the hatching periods were 
noted as per table below. The lack of thermal data is deplored, but is accounted for 
1 > 3 t the unavoidable absence of the regular superintendent the greater part of the time. 
Eggs 
taken in 
1898. 
Hatched first. 
Hatched last. 
Mean hatching pe- 
riod. 
Range in hatching. 
Eggs 
taken in 
1898. 
Date. 
Days. 
Date. 
Days. 
Oct. 19,1898 
106 
Sept. 9. 
July 8.. 
Oct. 20, 1898 
104 
Nov. 20,1898 
135 
120 
31 
Sept. 10. 
July 11 . . 
Oct. 21, 1898 
102 
Sept. 12. 
114 
Sept. 14. 
July 17.. 
Nov. 1898 
113 
Dec. 6, 1898 
148 
132 
35 
Sept. 15. 
July 19.. 
113 
Sept. 16. 
July 21. 
Nov. 12, 189K 
114 
J uly 23. . 
Nov. 26,1898 
116 
Sept. 22. 
July 25.. 
Nov. 27,1898 
125 
Jan. 10,1899 
169 
147 
44 
Sept. 27. 
July 29. . 
Nov. 30, 1893 
124 
Sept. 28. 
Dec. 28,1898 
147 
Aug.14.. 
Dec. 27, 1898 
135 
Jan. 20,1899 
159 
147 
24 
Oct. 4.. 
Aug. 26. . 
Jan. 6, 1899 
133 
Apr. 11,1899 
228 
182 
95 
Oct. 7.. 
Aug. 30. . 
Jan. 6, 1899 
129 
Apr. 11,1899 
224 
177 
95 
Oct. 10.. 
Sept. 5. . 
Jan. 15,1899 
132 
Apr. 18,1899 
225 
179 
93 
Oct. 13.. 
Sept. 6.. 
Jan. 30,1899 
146 
Mav 3, 1899 
239 
193 
93 
Oct. 20.. 
Hatched first. 
Date. 
Days. 
Feb. 
14,1899 
158 
Feb. 
18, 1899 
161 
Feb. 19-20, '99 
160 
Feb. 
26, 1899 
165 
Feb. 
22, 1899 
160 
Feb. 
21 , 1899 
158 
Feb. 
26, 1899 
160 
Feb. 
23, 1899 
154 
Mar. 
3, 1899 
157 
Apr. 
11,1899 
195 
Apr. 
10, 1899 
192 
May 
1 , 1899 
209 
Mav 
3, 1899 
208 
May 
5,1899 
197 
Mav 
8, 1899 
207 
May 
6, 1899 
198 
Hatched last. 
Mean hatching pe- 
riod. 
Range in hatching. 
Date. 
Days. 
May 15,1899 
May 15,1899 
May 22, 1899 
247 
245 
250 
204 
203 
208 
86 
85 
85 
May 23,1899 
246 203 
86 
1 
From this record the following summary has been prepared: 
Eggs taken in 1898. 
Hatch first 
(in days). 
Hatch last 
(in days). 
Average 
hatching 
period. 
Average 
range in 
hatching. 
July 
113 
151 
133 
37 
August 
136 
204 
169 
71 
September 
161 
242 
198 
88 
October 
204 
(?) 
(?) 
(?) 
In 1899 there were spawned 2,837 red salmon, as follows: 
Spring run. 
Fall run. 
Date. 
No. 
Date. 
No. 
June 27-30 
14 
Aug. 28-31 
23 
July 1-31 
1,357 
Sept. 1-30 
1, 178 
Aug. 1-10 
60 
Oct. 1-31 
195 
10 
1,431 
Total 
1,406 
1,431 
Grand total for season, 
899 

2,837 
Of the season’s take the spring run therefore amounted to 50.1 per cent as 
against 19.6 per cent for the fall run. Considering the season as a unit, the monthly 
percentages of fish spawned are as follows: June, 0.5 per cent; July, 17.9 per cent; 
August, 2.9 per cent; September, 11.5 per cent: October, 0.8 per .cent; November, 
0.1 per cent. 
Taken at the usual hatchery count of 3,000 eggs per average spawn fish, there 
should have been basketed more than 8,500,000 eggs, but the superintendent has only 
credited the hatching-house with 6,000,000, “owing to shrinkage in various ways.” 
