44 U. S. BUREAU OF FISHERIES, 



remaining 260,000,000 were eyed by December 30. Six million of 

 these -were shipped to other stations, and 204,000,000 fry were 

 hatched and liberated in Lake Erie within a range of 2 to 15 miles 

 from the hatchery. 



Acceding to the demands of local fishermen, the work addressed 

 to the propagation of the carp on the Portage River and Sandusky 

 Bay was again taken up. Owing to rough weather the spawning 

 season opened late, but it continued correspondingly late, with very 

 satisfactory results, the egg collections amounting to 98,000,000. All 

 fry hatched from these eggs Avere deposited in the Portage River 

 between Port Clinton and Oak Harbor, over a distance of about 12 

 miles. 



With the advent of an early spring conditions were favorable for 

 the spring fishing on Lake Erie on March 15, the first day of the 

 open season, and good catches of fish were made from the beginning, 

 a very fair per cent of them being pike perch. However, no ripe 

 fish were obsein^ed until April 4, between which date and May 4 

 pike-perch eggs to the number of 149,980,000 were collected from 

 the fisheries at Toledo, Port Clinton, and North Bass Island. Of 

 these approximately 50,000,000 were eyed and 8,275,000 shipped to 

 other stations. The Ohio State hatchery at Put in Bay turned 

 over to the bureau 3,500,000 eyed eggs, and from the combined stock 

 46,000,000 fry Avere produced, of which 40,000,000 were released on 

 the spawning grounds in Lake Erie and 6,000,000 were furnished to 

 applicants in Indiana, Pennsylvania, and Ohio. 



The spawning season of the yellow perch corresponds closely with 

 that of the pike perch in Lake Erie, and fishermen operating for 

 the latter were requested to save all available eggs. As a result of 

 their efforts 56,930,000 yellow-perch eggs were secured betw^een April 

 20 and May 4, of which small numbers were shipped to the Kansas 

 fisheries department and to Washington, D. C, for exhibit. Because 

 of the peculiar nature of eggs of this species, and the usual turbidity 

 of the water supply in the Put in Bay hatchery during the spring, 

 it is difficult to carry the eggs beyond the eyed stage in hatching 

 jars. Therefore, after successfully eying them, a large number were 

 planted on the spawning grounds and the remainder were incubated 

 in wire baskets suspended in the bay adjacent to the hatchery. This 

 method of incubating yellow-perch eggs has been extensively fol- 

 lowed on the Potomac River and has given uniform satisfaction. 



CAPE VINCENT (N. Y.) STATION. 

 [J. P. Snxder, Superintendent.] 



The repairs and alterations under way at this station were prac- 

 tically completed. During the year an 80-horsepower Almy water- 

 tube boiler, with all necessary accessories, was installed, thus equip- 

 ping the station to supply its own hatchery water independently of 

 the city water, which has been used in the past. Two new batteries, 

 of 396 hatching jars each were set up, giving the hatchery a capacity 

 for incubating approximately 275,000,000 whitefish or 587,000,000 

 cisco eggs. 



Besides making whitefish-egg collections in the usual fields near 

 Cape Vincent, the cooperative arrangement with Canadian au- 



