162 PUBLICATIONS OF SPENCER F. BAIRD. 



■1874. Baird, Spencer F.— Contimied. 



The white-fish p. 527 



The salmon or lake trout 528 



The hrook-trout 528 



3. The transfer of naturally-deposited eggs 528 



Spawning-races 528 



4. Artificial fecundation 530 



Introductory remarks 530 



The brook-trout 535 



The salmon 538 



Theshad 543 



The white-fish 545 



The Otsego bass 552 



The salmon-trout 652 



The st nped bass 553 



List of species in North America and Europe which have 



been hatched artificially 554 



List of hybrids in Europe and America which have been 



hatched 555 



Advances in fish-culture of American origin 655 



Systematic records of observation required for rapid advance- 

 ment in the art 558 



E. Alphabetical list of American fish-culturists and of persons known 



as being interested iu fish-culture 558 



1. Names of persons who are or have been practically engaged 



in fish-culture 568 



2. List of persons interested in the subject 561 



Xxil. Papers relating to practical fish-culture 567 



A. Method of treating adhesive eggs of certain fishes, especially of 



CypriuidtB, iu artificial propagation. By Rudolph Hessel 567 



B. On the so-called "dry" method of impregnating spawn. By 



Alexander Stenzel, inspector of fisheries in Silesia, Ger- 

 many 571 



C. Fish-culture in salt or brackish waters. By Theodore Lyman, 



fish commissioner of Massachusetts 575 



D. Descriptions of improved apparatus in fish-hatching 578 



1. Shad-hatching or floating boxes • 578 



Seth Green's box 578 



Brackett's box 579 



Stillwell & Atkins's box -. 570 



2. Tray apparatus for hatching 580 



Haton's tray hatching apparatus 580 



Clark's tray hatching apparatus 682 



TVilliamson's hatching box 585 



3. The brook shanty 586 



E. Frog-culture. By Seth Green 587 



1. How to get the spawn 587 



2. How to take care of them 587 



AEEESDIX E. — Obstructions to the upward movement of fishes in streams and the 



remedy 589 



Onfish-ways. By Charles G. Atkins 591 



A. Introductory remarks 591 



B. Habits of migratory fishes 591 



C. The construction and location of fish- ways 594 



1. Situation 594 



2. Attractiveness '. 596 



3. Ease of ascent 601 



D Devices which are in use or have been proposed 603 



1. Gap 604 



2. Trench or Cape Cod fish- way 604 



3. Oblique groove 605 



4. Step fish-ways 606 



6. Smith's fish-way 606 



6. Call's fish-way 607 



7. Pike's fish- way 609 



8. Steck's fish-way 610 



