ENUMERATION OF ANIMALS. 13 
30. ANURA—Continued. 
Useful products: 
Weather indicators, (hyla.) 
Useful traits: Destroy noxious insects, (toads.) 
31. URODELA. (Salamanders, axolotis, and menopomes.) 
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 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.) 
P 
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. HEMIBRANCHII. (Suipe-fish, trumpet-fish, stickleback.) 
' Useful traits: Aquarium use, (sticklebacks.) 
Injurious traits: Destroy eggs of other fishes. 
38. TELEOCEPHALT: 
HETEROSOMATA, (soles, flounders, flatfish, turbot, halibut.’ 
Useful products : 
Foods: Fresh. D.1. 
Smoked, (halibut.) D. 2. 
Pickled, (halibut.) D. 3. 
Baits, D. 5. 
