258 - ZOOLOGY. 



doubt in my mind but that it was a vital principle, 

 essential to the economy of the animal. 



The small size of the fins would appear to denote 

 that this fish is not active in swimming ; and since it 

 is highly predaceous, and evidently of nocturnal habits, 

 we may perhaps indulge in the hypothesis, that the 

 phosphorescent power it possesses is of use to attract 

 its prey, upon the same principle as the Polynesian 

 Islanders, and others, employ torches in night fishing. 



THE HAWAIIAN FROG-FISH. 



(Lophiw Sandvicensis, N. Sp.) 



Entire length 4J inches, depth of body 2 inches. 

 Colour, dull-orange or yellow- red, with circular black 

 spots on the body and fins. Eyes small and placed 

 high in the head ; when touched or threatened they in- 

 stantly retire for protection beneath the upper eye-lid. 

 Iris red. Jaws and palate armed with many rows of 

 teeth. Lower jaw protrudes beyond the upper. The 

 forehead is furnished with a long and rigid filament, 

 or barbie, which, from its use as a bait for prey, has 

 obtained for this family of fish the name of " anglers/' 



