CONTENTS. VII 



Page. 



11. Biological Research xxxiv 



Embryology of food-fishes xxxiv 



12. The intuoduction of cou gill-nets xxxiv 



Use made of cod gill-nets by the Norwegians xxxv 



Experiments at Gloncester with nets brought from Norway xx.xv 



Report of Captain Collins on his observations at the Berlin Exhibition xxxv 



Trouble and expense of getting bait xxxvi 



Experiments by Capt. Geo. H. Martin xxxvi 



Early successes of the Northern Eagle with nets xxxvi 



Report of Niels Juel on Loffoden fisheries cited xxxvii 



13. The value of fish as food xxxviii 



14. Work done at Wood's Holl, Mass., in 1881 xxxviii 



Advantages as a permanent sea-coast station of the United States Fish Commission. . . .xxxviii 



Peculiarities of coast fauna already determined by local and temporary stations xxxviii 



Need of station for oflf-shore work and as a depot xxxviii 



Reason for selecting Wood's Holl xxxviii 



Negotiations for acquisition of land for permanent station xxxix 



Work done during the season of 1881 at Wood's Holl xxxix 



Courtesies of Light-House Board xxxix 



Collaborators and assistants xl 



Results of the season's work xl 



Investigations into the distribution of tile-fish xl 



15. Explorations of the Fish Hawk in 1881 xl 



Vessels previously used xli 



Work of the season of 1880 xli 



Work in Albemarle Sound in 1881 xli 



Work at Havre de Grace, Md. , in 1881 xli 



Work in Chesapeake Bay in 1881 xli 



Work at Wood's HoU in 1881 xli 



Work atTorktown, Va., in 1881 xlii 



C— THE PKOPAGATION OF FOOD-FISHES. 



16. Method of distributing fish and eggs xlii 



Distribution by messengers in small lots xlii 



Facilities furnished by the railroads xlii 



Proportional advantage of distributing large quantities xliii 



Use of ordinaiy baggage car xliii 



Preparation of a special Fish Commission car xliii 



Trial with shad and carp xliv 



17. Species of fish cultivated and distributed in 1881 xliv 



a. Tbe Whitefish (Ooregonus albus). 



The North ville station xliv 



b. The Brook Trout (Salvelinus fontinalis). 



The North villc station xlv 



c. The Saibling (Salvelinus). 



The Plymouth station xlv 



d. The ll<ake Trout {Cristivomer namaycush). 



The Northvillc station xlv 



e. The Quiunat or California .Salinoii (Salmo quinnat). 



The McCloud River .station xlv 



/. The Rainbow or California lYIonntain Tront (Salmo irideris). 



The McCloiul River station xlvi 



g. The Atlantic or Penobscot Salmon (Salmo salar). 



The Penobscot River station xlvi 



h. The Mriioodic or Eiand-locked Salmon (Saimo salar var. sebago). 



The Cirand Lake Stream .station xlvii 



t. The Shad (Alusa sapidissima) . 



The Avoca station xlix 



The Potomac River barges xlix 



The Washington navy-yard station xlix 



The Battery Island station 1 



The North East liiver station 1 



j. Vhv Carp (Cyprimis carpic). 



The Monument station 1 



