172 



FISHERIES OF THE UNITED STA.TES, 



EESULTS OF WORK. 



1. Publicatious of the Commission — Continued. 



C. — Multiplication of fish in general. Page. 



15. General history of fish culture XXXI 



Preservation of fish in ])ouUs. XXXI 



Introduction of methods of artiflpial propagation XXXI 



In Europe XXXI 



Chiim of priority for Chinese unfounded XXXIIl 



In the United States XXXLV 



16. Action of Stateand national government XXXIV 



Ser%-ices of American Fish-culturists' Association XXXIV 



Congressional action XXXIV 



State commissioners XXXV 



"Why national action required XXXV 



17. Comparatine value of different groups of food fishes XXXV 



Of resident siiecies XXXV 



. Limitation by necessity of feeding XXXVI 



Black bass XXXVI 



Of anadromous, or migratory species XXXVII 



Xo feeding required XXXIX 



Shad, herring, or alewires and salmon XXXIX 



Of catadromous species XXXIX 



The eel XXXIX 



18. Different methods of mtdtiphjing fish XL 



Transfer of living fish from one locality to another XL 



Confining fishes in particular localities for natural spawn- 

 ing XLI 



Collecting eggs and embryos naturally spawned XLI 



Artificial impregnation and hatching of eggs XLII 



Diflerent methods of securing the parents XLII 



Catching while on spaAvning-beds XLII 



Penniug-up on spawning-beds (Wilmot's method) . XLIII 

 Transferring to temporary inclosures (Atkins's 



method) XLin 



Impregnation of the eggs XLII 



Hatching out of the young fish XLIII 



Disposal of the young fish in stocking waters XLIV 



Anadromous fish always return to place of birth or deposit . XLIV 



Influence of obstructions XLIV 



19. Treatment of certain species XLV 



Hatching of shad XLV 



Hatching-boxes XLV 



Hatching of white-fish, trout, salmon, &c XLVI 



Holtons tray XLVII 



Hatching of strijied bass XLVII 



20. Fishes especially worthy of mention XLVIU 



1. Theshad XLVm 



Distribution XLVITT 



Migration and movements XL VIII 



Early abundance XT. VTTT 



Subsequent decrease ^ LI 



Influence of dams, gratings. &c LI 



Dr. Yarrow's report LII 



Artificial increase LII 



Labors of Dr. Daniel in 184S (transfer of eggs 



to the Alabama Eiver) LII 



Laborsof Mr. Gcsner and others in 1858 (trans- 

 fer of eggs and young to the Ala- 

 bama Eiver) LII 



"Work of Seth Green in 1867 Lm 



Action of the Xew England and other States. . LIII 

 Action on the part of the United States Gov- 

 ernment lAY 



