CLASS-BOOK OF ZOOLOGY. 121 



on a considerable commerce in the exportation of pickled 

 Shad. 



§ 517. The Gold-fish (Cyprinus auratus) is generally 

 five inches long, silver-colored, red, black, or variegated, 

 and is found in the seas of Japan and China, but is now 

 kept everywhere as an ornament. 



I 518. This beautiful fish was first introduced into 

 England by Philip Worth, in 1728. It may be kept in 

 vessels or ponds, and fed with bread, the yolks of eggs 

 boiled hard, dried fresh pork, snails, and worms. 



§ 519. In order to raise Gold-fish from the egg, the 

 spawn, which is seen floating on the water, should be 

 collected and secured in a separate vessel as soon as de- 

 posited, to prevent its being eaten by the fish. 



QUESTIONS ON SECT. XXXI. 



511. What fishes belong to the Order of Abdominal Fishes? 



512. What is the size and color of the Salmon, and where is it 

 found? 



513. What use is made of the Salmon ? 



514. Of what importance is the Herring? 



515. What is the size and color of the American Shad? 



516. Of what use is the American Shad ? 



517. What is the size and color of the Gold-fish, and where is it 

 found ? 



518. By whom and when was the Gold-fish introduced into England, 

 and on what may it be fed? 



519. What is it necessary to do, in order to raise Gold-fish ? 



List of Fishes found in the State of New York, 



AND DESCRIBED BY DOCTOR JAMES E. De KaY IN HIS 



Zoology of New York. 

 1st Order : Cartilaginous Fishes with open gills. 



11 



