718 U. S. BUREAU OF FISHERIES 
varying quality, and 1,492,960 fry were produced in addition to a shipment of 
100,000 eyed eggs. The opening of the fiscal year 1927 showed a “‘carry-over”’ 
of 135,445 fingerlings, all but 896 of which were distributed in the course of the 
year. The stock on hand at the close of the year, including the brood stock, 
numbe: 2d over 250,000. In view of the demands for this species the accomplish- 
ments at the Craig Brook station have been particularly gratifying. 
As Maine is the chief source of landlocked salmon at the present time, the. 
Craig Brook station is the only one of the bureau’s hatcheries that produces 
them. Over 500,000 eggs were obtained from the collecting stations in Maine. 
Virtually one-half were shipped as eyed eggs, and the remainder was distributed 
or held for future planting. At the close of the year 41,070 were on hand, as 
compared with 134,000 on hand on July 1, 1926. Smallmouth bass and white 
perch were collected from near-by waters to supply applicants in Maine. 
Grand Lake Stream (Me.) substation.—This substation is being brought to a 
condition of greater efficiency. The year 1927 opened with about 80,000 land- 
locked-salmon fry retained in the pools for feeding. These constituted a vigorous, 
healthy lot of fish. The usual setting of three trap nets was made in Grand Lake 
in the fall prior to the opening of the salmon-spawning season. Captures of 
these fish were reduced materially by the closing of a sluice gate at the outlet, 
which tended to check the movement of the fish into the nets. A total catch of 
248 female and 423 male salmon gave 592,890 eggs, somewhat less than in the 
previous year. Over 160,000 of the hatch from these eggs are being held in the 
canal ponds. A shipment of 100,000 brook-trout eggs was received from Craig 
Brook, and about half of these are now being fed for fingerling distribution. 
The presence of many small 2-year-old and 3-year-old salmon in the lake indicates 
that the liberal apportionment of fry to these waters has been effective and that 
the future work at this point will be done on a sound basis. 
Green Lake (Me.) substation——Two varieties of smelt were propagated from 
eggs collected at the Green Lake station. Eggs to the number of 9,250,000 were 
collected and the fry resulting from them were distributed in local waters, with 
the exception of one shipment made to Vermont. A small number cf landlocked- 
salmon eggs also were collected. 
St. JoHNsBuryY (V7t.) STATION AND SUBSTATION 
[A. H. Dinsmore, Superintendent] ¥ 
Water conditions at the St. Johnsbury station have continued to restrict the 
work to the hatching of eggs and the distribution of fry. Experimental lots of 
steelhead and Loch Leven adults were held successfully to the close of the year, 
when the latter were distributed. A small number of steelhead and Loch Leven 
fingerlings was produced. Brook trout, Loch Leven trout, and landlocked salmon 
are being held this season in small quantities for experimental use. No brook- 
trout eggs were available from the Darling Pond (Vt.) collecting station, but a 
number were hatched cooperatively with J. C. Nickerson, a commercial producer 
of Plymouth, Mass. Cooperative collections of lake trout at Lake Dunmore 
yielded a small number of high-quality eggs, and the fry from them were dis- 
tributed locally. Landlocked salmon also were hatched. 
York Pond (N. H.) substation.—This project, located in the White Mountain 
National Forest, has undergone further development. The first stage in the plan 
for making this station the bureau’s chief source of supply for brook-trout eggs 
was completed by the opening of the West Branch diversion ditch and the flooding 
of some pond areas. Several breaks in the ditch necessitated shutting off the 
water during the winter, so that repairs could be made. General improvements 
intended to increase the efficiency of the plant have been made. Steps have been 
taken to obtain a supply of colder water, with the object of checking losses of 
fish. A total of 630,100 eggs was secured from the station stock of brook trout. 
Part of this stock was reared, and the remainder was secured by fishing waters in 
the vicinity of the station. The practice of allowing yearlings and small fish to 
spawn naturally in the raceways was followed, and there was a considerable 
production of fry from this source. Collection of spawning fish from the semi- 
natural ponds was began in September, and these were held in spawning races 
until the eggs were mature. Eggs were taken from 1,505 fish, of which about 
200,000 were hatched at the station and the remainder were shipped. Depreda- 
tion by predatory animals, such as frogs, snakes, mink, etc., constitutes a problem 
at this station. Mention is made of one mink that took about 200 yearling fish 
from a single pool. Excellent fishing has been maintained in the surrounding 
public waters by virtue of the fry produced at this station. 

