NAKED-TOOTHED FISHES. 



287 



sive, at the mercy of the waves, that this animal 

 is really most secure ; for the numerous spines 

 with which the surface of the body is universally 

 beset are raised and erected by the stretching 

 out of the skin, thus presenting an armed front 

 to the enemy on whatever side he may venture 

 to begin the attack."* 



Specimens of a species called Pennant's Globe- 

 fish {Tetraodon Pennantii^ Yarr.) are occasion- 



PEXNAN'T S GLOBE-FISH. 



ally taken on the coast of Cornwall. It is about 

 a foot and a half in length ; of a rich blue colour 

 on the superior parts, and silvery white on the 

 sides and belly, studded all over the last-named 

 part, which is capable of inflation, with clusters 

 of spines, each group consisting of four radiating 

 from a centre. 



* Bridge water Treat, i. 433. 



