80 REPORT OF COMMISSIONER OF FISH AND FISHERIES. 
four 16-foot troughs, which would safely accommodate only 8,400. It 
is therefore recommended that tanks be substituted. 
During the winter 1,000,000 white-fish eggs were received from 
Northville and 200,000 lake-trout eggs from Duluth, all of which were 
hatched and planted in lakes near Tacoma, Wash. From Leadville 
100,000 brook-trout eggs were received, which produced 80,000 fry. 
Of these, 10,000 were planted in Cox Creek, Oregon, and the balance 
held at the station for rearing. The same number of grayling eggs, 
transferred from Bozeman, were hatched with a loss of only 8,839, and 
the fry were planted in the vicinity of Pendleton and Union, Oreg., 
at the request of the Oregon Fish and Game Association. During the 
spring the California commission furnished the station with 25,000 
rainbow-trout eggs, which produced 23,291 fry. Of these, 5,000 were 
planted as fry and the remainder are on hand at the close of the year. 
RoGvuE RIVER STATION, OREGON (E. N. CARTER, SUPERINTENDENT). 
During the first part of the year $1,000 was expended in construc- 
tions and improvements, the money being furnished by Mr. R. D. 
Hume, of San Francisco. A residence for the fish-culturist in charge 
of the station, Mr. J. W. Berrian, and an additional hatching-house, 
24 feet by 70 feet, were erected; the grounds around the station were 
inclosed by a substantial fence. Provision was also made for procur- 
ing an increased supply of water from Rogue River, a pump-house 
being provided, in which a boiler and two small engines were placed, 
with two centrifugal pumps capable of throwing 600 gallons of water 
per minute each. In order to reduce the cost of pumping water a 
tank 20 feet wide, 48 feet long, 10 feet deep, capable of holding 72,000 
gallons of water, was also constructed. This can be filled in a very 
short time by the pumps, and in addition to saving a large amount of 
fuel, it now requires. the services of only one engineer where three 
were formerly employed. An investigation was made with the view 
to taking water from the Rogue River through a ditch, but owing to 
the expense the project was abandoned. 
A rack was thrown across the river to stop the ascent of salmon, 
and by the end of October, when work had to be discontinued on 
account of high water, 3,503,000 eggs had been secured. Of these, 
over 500,000 were taken 15 miles below the station with drift gill nets. 
An attempt was made to transfer the eggs while green, but those so 
treated proved almost a total loss, and it became necessary, therefore, 
to erect troughs for eyeing them near the spawning-grounds. 
During November one-third of the eggs obtained were shipped to 
Mr. R. D. Hume, in San Francisco, from which point they were trans- 
ferred to his hatchery at Wedderburn, at the mouth of the Rogue 
River, where they were hatched and liberated in adjacent waters. 
The balance of the eggs were hatched at the station, producing 
1,850,000 fry, which were held until May 15 and fed on canned fish; 
