90 
REPORT OF BOARD OF FISH AND GAME COMMISSIONERS. 
ject to various diseases, but domestication and artificial food do not 
appear to change their condition. 
The rainbow trout in our ponds are in good condition and show no 
signs of degeneracy. The only noticeable feature of the rainbow trout 
that has decended for several generations of pond fish is the increasing 
brightness in their colors and a changed appearance of their spots. 
Considerable could be written on this subject, but time and a closer 
study are necessary before going deeper into it. This is a study that 
will interest the ichthyologists and will be given more attention from 
now on. 
In closing this brief report on the work of this station I beg to 
say that the encouragement and advice given to me by your honorable 
Board and Chief Deputy has greatly assisted me in making the work 
of this station a success. 
Respectfully submitted. 
[Signed.] W. H. SHEBLEY, 
Superintendent Sisson Hatchery. 
Sisson, Cal., September 1, 1910. 
Honorable Board of Fisli and Game Commissioners for the State of 
California. 
Gentlemen : The Superintendent of the Sisson Hatchery submits 
the following report of the work and operations at Sisson Station for 
the years 1909-1910, up to September 1st. 
The most important work during the last two years has been the con¬ 
struction of a new hatchery building, a cottage for the use of the 
foreman, a new feed house, wagon shed, a shed over the salmon rearing 
troughs, new flume and tanks at Shovel Creek Station; the building of 
a cabin, racks, and trap at Bogus Creek egg-collecting station; the 
removal of the pond keeper’s cottage from the upper to the lower end 
of the hatchery grounds; the building of a new road and walk from 
the main hatchery (A) to the county road; the placing of redwood 
troughs in hatcheries “C” and “D,” and the improvement in the pond 
work and the increase in the number of fish raised during the last two 
seasons. 
After your honorable Board had approved the recommendations 
mentioned in the report of 1908 for the construction of a new hatchery 
to take the place of hatchery “A” that had been constructed in 1888, 
and was in such a state of decay that further attempts to repair it were 
useless, I submitted a plan of a hatchery 145 feet in length and 42 feet 
in width, to contain 100 hatching troughs, office, laboratory, also rooms 
for the men upstairs, storage rooms for tools, apparatus, etc. 
