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REPORT OF THE COMMISSIONER OF FISHERIES. 



25 



Further points of interest to be noted in comparing the present 

 season's output Avith that of 1921 is an increase of approximately 

 33 per cent in the pnxUiction of finj^erUno; fish, a decrease of 6 per 

 cent in operating costs. and'^4»-jLkiiK.6*««"«^l*«4-l per cent in the ag- 

 gregate output. The output for 1922 was l,^5.,0 ' 81, > }fl0 , as com- 

 pared with 4,962.489,405 for 1921, while the cost per million fish 

 produced for distribution for the present year was $ t^5.5 | f , as against 

 $128.06 for 1921. 



During the fiscal year 1922 fish-cultural work was conducted in 33 

 States and in the Territory of Alaska through the operation of 38 

 main stations and 35 auxiliaries'. At these stations over 40 species of 

 valuable food fishes were propagated. The output may be classified 

 on the following geographic basis, which agrees with the general 

 character of operations at the hatcheries : Anadromous species of 

 the Atlantic coast, anadromous species of the Pacific coast, marine 

 species of the Atlantic coast, fishes of the Great Lakes, and fishes of 

 the interior waters. 



Summary, ty species, of the output of fish and fish eggs during the fiscal year 



ended June 30, 1922, 



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