ENUMEEATION OF ANIMALS. 13 



30. ANURA— Continued. 



Useful products : 



Weather indicators, (hyla.) 

 Useful traits : Destroy noxious insects, (toads.) 



31. UBODELA. (Salamanders, axolotls, and menopomes.) 



Useful products : Foods, aboriginal, (axolotls.) 

 Useful traits : Aquarium use. 

 Injurious traits : Enemies of young fish. 



32. PEOTEIDA. (Eiver-dogs, hell-benders.) 



Injurious traits: Enemies of young fish. 



33. TEACHYSTOMATA. (Sirens.) 



V. FISHES. 



31. PEDICULATI. (Sea-bats or devil-fish, goose-fish or angler, 

 mouse-fish, &c.) 

 Useful products: Baits, (goose-fish.) D 1. 

 Injurious traits : Enemies of aquatic birds, (goose-fish.) 



35. PLECTOGNATHI. (Sun-fish, rabbit-fish, porcupine-fish, swell-fish, 



box-fish, trunk-fish, cow-fish, file-fish, trigger- 

 fish.) 

 Useful products : 



Food, (file-fish, trunk-fish.) D. 11. 

 Clothing, (helmets made from porcupine-fish.) D. 20. 

 Oils, used in medicine, (sun-fish.) D. 27. 

 Shagreen, (file-fish, trigger-fish.) D. 30. 



36. LOPHOBRAKCHII. (Sea-horse, pipefish.) 



Useful traits : Aquarium use. 



37. HEMIBRANCHII. (Suipe-fish, trumpet-fish, stickleback.) 



Useful traits : Aquarium use, (sticklebacks.) 

 Injurious traits: Destroy eggs of other fishes. 



38. TELEOCEPHALI : 



Heterosomata, (soles, flounders, flatfish, turbot, halibuts 

 Useful products : 



Foods : Fresh. D. 1. 



Smoked, (halibut.) D. 2. 

 Pickled, (halibut.) D. 3. 

 Baits, D. 5. 



