ICHTHYOLOGY. 35 



when swimming in a bright sunshine, like a small 

 tube of sapphire, tipped with carbuncle, 



Q. What is known of the genus Coryphaena ? 

 A. In the genus Coryphaena, there are twelve 

 species, but of these the Blue and Parrot Fishes 

 i are most deserving description. The head of the 

 former resembles that of the spermaceti whale, 

 and the whole body is blue, it is found in the 

 tropical seas. 



Q. Describe the Parrot fish. 

 A. The Parrot Fish is covered with large green 

 scales, and variegated with different colours, the 

 1 tail is large, forked and green with a curved red 

 line and a yellow spot on each side. It inhabits 

 the seas near Hispaniola, Cuba, and the Bahama 

 Islands. 



Q. What deserves notice of the genus Scom- 

 ber? 



A. In the genus Scomber are twenty-two spe- 

 cies, but it will be sufficient here to notice two 

 only. Scomber Scomber, and Scomber Thynnus. 

 Q, What is Scomber Scomber ? 

 A. Scomber, or the common Mackrel, is a 

 beautiful fish, but too well known to need des. 

 cription ; its excellencies as an edible fish is equal 



Edible, a. eatable from edo to eat. 



