.6 



EEPORT OF COMMISSIONER OF FISH AND FISHERIES. 



of lake trout and white-fish, have been turned out than ever before, 

 the fry being of the most excellent qualit3\ 



At the Detroit Station the work has been confined entirely to white- 

 fish operations, the eggs being collected from the field stations on 

 Belle Isle and Grassy Island, the former located in the Detroit River 

 opposite the upper end of the city of Detroit, and the latter about 8 

 miles down the river below the city. Fishing was conducted by means 

 of seines, the work being done by the Wolverine Fishing Company, 

 which received the fish in payment for its services after the agents of 

 the Commission had taken the eggs. The fishing season extended 

 from October 16 to December 3, during which time 2,875 hauls of the 

 seine were made and 41,242 fish captured — an average of between 14 

 and 15 per haul. Of these 2,270 were undersized and were immedi- 

 ately returned to the river. The remaining 38,972 were retained in 

 crates and pounds. The crates used in this w^ork w^ere constructed of 

 slats, to allow free circulation of water, and were 12 feet long, 4 feet 

 wide, and 5 feet deep. The pounds, which were irregular in size and 

 shape, were made by driving boards into the bottom of the river, with a 

 space between each for the free circulation of water. The best day's 

 fishing was on November 18, when 2,568 fish were caught. Of the fish 

 held, 22,245 were males and 16,727 females. Of the latter, 12,529 were 

 stripped, yielding 366,040,000 eggs, or an average of 29,215 per fish. 

 The balance of the females were either spent, plugged, or hard when 

 the season closed. 



Following is a summary of the daily take of eggs: 



