ICHTHYOLOGY. 41 



with a dirty yellow; it is, however, excellent for 

 the table. 



Q. Does the Scorpius differ much from the 

 Globio? 



A. Scottus Corpius, or the Father Lasher, sel- 

 dom exceeds eight or nine inches in length, but 

 the head is large, and has a most formidable ap- 

 pearance, being armed with spines, which it can 

 oppose to an enemy, by swelling out its cheeks 

 and gill-covers ; the mouth is large ; the jaws and 

 roof of the mouth furnished with very small teeth. 

 This species is frequent in the Newfoundland and 

 Greenland seas. 



Q. How many species compose the genus Gas- 

 terosteus ? 



A. Of the Gasterosteus, there are eleven spe- 

 cies, the Gasterosteus Aculeatus will serve as an 

 accurate specimen of the whole. 



Q. Describe Gasterosteus Aculeatus. 



A. Gasterosteus Aculeatus, the Stickleback, 

 though very common in ponds, rivers, and marshes, 

 is a beautiful little fish, the gills and abdomen 

 being a bright red, the back a fine olive green, 

 and the sides silvery. It is an active and vigo- 

 rous animal, and preys upon insects, worms, and 

 D 3 



