CONTENTS. 



Page. 



17. C OMPARATIVE VALUE OF DIFFEKEXT GROUPS OF FOOD-FISHES .* XXXV 



Of resident species xxxv 



Limitation by necessity of feeding xxxvi 



Black bass xxxvi 



Of anadromous or migratory species i xxsviii 



!No feeding required xxxix 



Shad, herring or alewives, and salmon xxxviii 



Of eatadromous species xxxix 



Tlie eel xxxix 



Is. DiFFEREXT METHODS OF MULTU'LYIXG FISH xl 



Transfer of living fish from one locality to another xl 



Confining fishes in particular localities for natural spawning xli 



Collecting eggs and embryos naturally spawned xli 



Artificial impregnation and hatching of eggs xlii 



Diiferent methods of securing the parents xlii 



Catching while on spawning-beds xlii 



Penning-up on spawning-beds, ("Wilmot's method) xliii 



Transferring to temporary inclosures, ( Atkins's method) xliii 



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 



! 9. Treatment of certain species xlv 



Hatching of shad xlv 



Hatching-boxes xlr 



Hatching of white-fish, trout, salmon, Sec xlvi 



Helton's tray xlvii 



Hatching of striped bass xlvii 



20. Fishes especially worthy of multiplication xlviii 



1. The shad xlviii 



Distribution xlviii 



Migration and movements xlviii 



Earl J- abundance xlviii 



Subsequent decrease li 



Influence of dams, gratings, &c li 



Dr. Yarrow's report lii 



Artificial increase lii 



Labors of Dr. Daniel in 1848, (transfer of eggs to the Alabama River) lii 



Labors of Mr. Ge-sner and others in 1858, (transfer of eggs and young to the Ala- 

 bama Kiver) lii 



Work of Seth Green in 1867 liii 



Action of the Xew England and other States liii 



Action on the part of the United States Government liv 



Suggested by the American Fish Culturists' Association liv 



Intended to supplement action of other States liv 



Possibility of stocking the Mississippi system of waters with shad liv 



Their occurrence there at present i^' 



Possibility of traversing the whole length of this river Iv 



Illustrated by shad in the Yang-tse-kiang in China Iv 



Also by the shad of India Iv 



Xo dams or obstruction I'^ii 



Suitable winter quarters in the Gulf of Mexico l"'^i 



Shad in the great lakes I'^i 



Shad in Salt Lake l^ii 



Shad in the Pacific waters ^'"'i 



General result of the experiment on the Atlantic coast li^ 



ii. The alewife or fresh-ivater herring "^ 



Economical value "^^ 



As food for men "^ 



As food for other fish 



Attracting the cod to our shores _ 



Methods of multiplying _ 



Period of maturity '^' 



