316 REPORT OF COMMISSIONER OF FISH AND FISHERIES 
through a system of piping to the storage tank underneath the car. The hatching 
can be done while the car is in motion. In the other end of the car is a kitchen and 
boiler room. The boiler room contains a 5-horsepower boiler, with water pumps 
and air pump for circulating the water and air on the fish. Underneath the car, 
between the trucks, is a storage tank which will hold about 600 gallons. The water 
is pumped from this tank to a pressure tank near the office end of the car, after which 
it circulates through the square tanks or hatching apparatus in the center of the car, 
passing from these to the tank under the car again, so the water is used continuously. 
In the center of the car are four berths, together with a number of lockers and closets. 
The office contains one berth and a folding bed; also a writing desk and closet. The 
kitchen is fully equipped with range, water tanks, ete. 
Transportation can: 
A cylindrical can, made of iron, tinned, the top of which is contracted and provided 
with a cover to prevent splashing of water while in transit. Height, 24 inches; 
diameter, 14 inches; capacity, 12 gallons. This can is more extensively used than 
any other form of apparatus for the transportation of young shad, white-fish, pike 
perch, trout, and other fishes distributed by the U. 8. Fish Commission. 
Galvanized-iron transportation tank: 
This tank (size, 24 by 24 by 24) is used on U. S. Fish Commission cars for 
transporting adult fishes and yearlings over 6 inches in length. It is so arranged as 
to receive a continuous supply of air, and can also be connected up with the water- 
supply tanks so that a continuous circulation of water is maintained. 
Tin pail for rock bass: 
A light tin pail, with a capacity of 2 to 4 quarts, used in shipping rock bass and 
bream by express. 
Bucksport transportation can: 
A eylindrical can, made of block tin, with top contracted, and provided with a 
cover, 18 inches in height and 154 inches in diameter at base. This can is used 
entirely at the Craig Brook (Maine) Station for transportation of salmon fry. 
ACCESSORIES. 
Messenger bucket: 
This bucket forms a part of a messenger’s equipment, and is used for carrying extra 
ice, changing water, ete. 
Quart dipper: 
A part of the messenger outfit, used for aeration of water, sorting fish, etc. 
Siphon cage: 
Made of copperand tin. It is covered with cheesecloth and attached to the siphon 
tube for drawing off water from aquarium or cans containing fry. 
Tin siphon funnel: 
A cylindrical funnel, with fine perforations at bottom, a part of the messenger’s 
outfit. Used in drawing off water from tanks containing shad and white-fish fry. 
Siphon tube: 
A piece of five-eighths rubber tubing, 4 feet long, used in connection with a siphon 
strainer for removing stale water from cans containing young fish. 
Pocket thermometer : 
This forms a part of a messenger’s equipment, and is used for ascertaining the 
temperature of water while transporting fish. 
Medicine chest: 
This forms a part of the equipment of each of the U.S. Fish Commission cars. 
MopELs or STATION AND FLOATING HATCHERY. 
Model of Leadville trout hatchery (scale of model, three-fourths inch to 1 foot): 
The station is located in Lake County, Colo., 6 miles west of Leadville, on a Gov- 
ernment reservation of 1,935 acres. It was established by act of Congress approved 
March 2, 1899, for the purpose of propagating black-spotted and other native varieties 
of trout, as W ell as various fishes of the salmon family from the Eastern stations. 
The hatchery is built of red sandstone, is equipped with 72 troughs, each 14 feet 
long, 14 inches wide, and 8 inches deep. It has a total capacity of 6,000,000 trout 
