ENUMERATION OF ANIMALS. • 13 



30. ANURA— Continued. 



Useful products : 



Weather indicators, (hyla.) 

 Useful traits : Destroy noxious insects, (toads.) 



31. UEODELA. (Salamanders, axolotls, and meuopomes.) 



Useful products : Foods, aboriginal, (axolotls.) 

 Useful traits : Aquarium use. 

 Injurious traits : Enemies of young fish. 



32. PROTEIDA. (River-dogs, hell-benders.) 



Injurious traits: Enemies of young fish. 



33. TRACHYSTOMATA. (Sirens.) 



V. FISHES. 



34. PEDICULATI. (Sea-bats or devilfish, goose-fish or angler, 



mouse-fish, «S:;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. LOPHOBRANCHII. (Sea-horse, pipe-fish.) 



Useful traits : Aquarium use. 



37. HEMIBRANCHir. (Suipe-flsh, trumpet-fish, stickleback.) 



Useful traits : Aquarium use, (sticklebacks.) 

 Injurious traits: Destroy eggs of other fishes. 



38. TELEOCEPHALI: 



Heterosomata, (soles, flounders, flatfish, turbot, halibut.^ 

 Useful products : 



Food« : Fresh. D. 1. 



Smoked, (halibut.) D. 2. 

 Pickled, (halibut.) D. 3. 

 Baits, D. 5. 



