PROTECTION AND CULTURE. 99 



6. PROPAGATION OF BIRDS. 



a. Methods of ostrich culture. 



b. Methods of culture of domesticated birds, fowls, &c. 



7. PROPAGATION OF REPTILES. 



a. Methods of terrapin culture. 



8. PROPAGATION OF AMPHIBIANS. 



a. Methods of frog culture. 



9. PROPAGATION AND CULTURE OF FISHES. 1 



a. Accessories of obtaining and impregnating ova : 



Pans, pails, &c. 



Strait-jackets used in spawning salmon. 

 Spawning- race, (Ains worth.) 

 Roller-spawning screen, (Collins.) 

 Spawning-vat, (Bond.) 



b. Hatching-apparatus : 



Troughs : 



Plain. 



Gravel-bottomed. 



With sieve-bottom trays : 



Brackett's. 



Williamson's. 



Clark's. 

 Vats or cases : 



Holton's. 



Roth's. 



Glass-grilled boxes, (Coste's.) 

 Jars and tin- vessels : 



Bell and Mather's. 



M. A. Green's. 



Ferguson's. 



Chase's. 

 Hatching-boxes, (floating :) 



Seth Green's shad- box. 



Brackett's shad-box. 



Brackett's shad-box, (No. 2.) 



Bryant's shad-box. 



Stiiwell & Atkins's shad-box. 



Bannister's shad-box. 



1 Classification proposed by J. W. Miluer. 



