ENUMERATION OF ANIMALS. 17 



. VII. MARSIPOBRANCHIATES. 



4S. HYPEROARTIA. (Lamprey-eels, or nine eyes.) 



49. HYPEROTRETL (Suckers, or bags.) 



Useful products : Food, (lamprey-eels.) D. 1. 

 Useful traits: Scavengers, (bags.) 



VIII. LEPTOOARDIANS. 



50. CIRROSTOML (Amphioxus.) 



Modes of capture. D. G. 



IX. INSECTS. 



51. HEXAPODA. (Bees, butterflies aud motbs, flies, beetles, bugs and 



lice, grasshoppers and crickets, dragon flies and 

 caddice flies.) 

 Useful products : 



Food of aborigines. 



Honey, (bees, &c.) D. 1. 



Wax, (bees, &c) D. 30. 



Raits, (flies, bees, dragon-flies, beetles and their larvae, 

 grasshoppers, &c.) J}. 5, B. 45. 



Silk, (moths.) D. 8. 



Coloring material, (cochineal insect, &c.) D. 29. 



Blistering preparations, (Spanish-flies, &c.) D. 30. 



Wings used in the arts, (beetles.) D. 19. 

 Useful traits : 



Puncture trees, producing galls, manna, lac, &c. 

 Injurious traits : 



Injurious to vegetation, (numerous species.) 



Internal and external parasites, (flies.) 



52. MYRIAPODA. (Centipedes, millipedes.) 



Useful products : Food of aborigines, (eggs.) D. 1. 

 Injurious traits : Venomous, (centipedes, millipedes.) 



X. ARACHNEANS. 



53. ARACHNIDA. (Spiders, scorpions, mites, &c.) 



Useful products: 



Fine threads used by opticians, (spiders.) 

 Silk, (spiders.) 



