26 REPOKT OF COMMISSIONER OF FISH AND FISHERIES. 



METHODS OF FISH-CULTURE. 



Few improvements in the methods of fish-culture can be recorded 

 for the year. The most notable one may be the method of taking 

 salmon eggs at the Baird, Cal., Station and substations, whereby from 

 10 to 15 per cent more eggs are obtainable from the same number of 

 fish than heretofore. This is accomplished by cutting the salmon 

 open after the usual stripping and washing the blood}^ eggs thus 

 obtained in a normal salt solution before fertilizing them, as explained 

 in detail under the summarized report of Baird Station. This improved 

 method will be adopted at the other salmon stations the coming year. 



At Put-in Bay, Ohio, Superintendent Downing has devised a new 

 hatching-jar along the same general lines as the Stranahan jar, except 

 that it is of a different shape and of greater capacity. It has been 

 adopted for Put-in Bay Station. 



In pond culture, by which is meant the propagation of the basses 

 and other fishes, the eggs of which are handled and hatched in ponds 

 by the natural process, little definite progress has been made. The gen- 

 eral feeling among fish-culturists in charge of pond stations is that the 

 ponds for the propagation of bass and other fish should be made much 

 larger than at present — in fact, as large as possible and still have them 

 entirely under control so that the fish can be removed as wanted. 



The following stations and auxiliary stations were operated during 

 the year, and the work at each is reviewed in detail in the abstracts of 

 the reports from the various superintendents: 



Green Lake, Maine. 



Craig Brook, Maine. 



Grand Lake Stream, Maine. 



St. Johnsbury, Vermont. 



Nashua, New Hampshire. 



Woods Hole, Massachusetts. 



Gloucester, Massachusetts. 



Cape Vincent, New York. 



Swanton, Vermont. 



Steamer Fish Ihtnk (Delaware River). 



Battery Station, ^Vhiryland. 



Bryan Point, Maryland. 



Fish Lakes, Washington, D. C. 



Central Station, Washington, D. C. 



Wytheville, Virginia. 



Edenton, North Carolina. 



Erwin, Tenneosee. 



Cold Sjiriiigs, (Jeorgia. 



Put-in I'.ay, Ohio. 



Northville, Mic'liigan. 



Detroit, Michigan. 



Alpena, Michigan. 



Sault Ste. Marie, Michigan. 



Duluth, Minnesota. 



Quincy, Illinois. 



Manchester, Iowa. 



Bellevue, Iowa. 



San Marcos, Texas. 



Neosho, Missouri. 



Lead vi lie, Colorado. 



Spearii.sh, South Dakota. 



Bozemau, Montana. 



Baird, California. 



Battle Creek, California. 



Mill Creek, California. 



Rogue River, Oregen. 



Clackamas, Oregon. 



Little White Salmon River, Washington. 



Baker Lake, Washington. 



Green Lake Station, Maine (E. E. Race, Superintendent). 



The work at the Green Lake Station has ])een confined entirely to 

 the proi)agation of the brook trout and landlocked salmon. During 

 the summer months, in addition to the usual fish-cultural work, inves- 

 tigations were made with the view to establishing new field stations for 

 the collection of eggs, and as a result operations were inaugurated at 

 Alligator Lake, in Hancock County, and Sourdnahunk Lake, in Piscata- 



