ENUMERATION OF ANIMALS. 17 
VII. MARSIPOBRANCHIATES. 
48. HYPEROARTIA. (Lamprey-eels, or nine eyes.) 
49. HYPEROTRETI. (Suckers, or hags.) 
Usefal products: Food, (lamprey-eels.) D. 1. 
Useful traits: Scavengers, (hags.) 
VIL. LEPTOCARDIANS. 
50. CIRROSTOMI. (Amphioxus.) 
Modes of capture. D. 6. 
IX. INSECTS. 
51. HEXAPODA. (Bees, butterflies and moths, 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. 
Baits, (flies, bees, dragon flies, beetles and their larva, 
grasshoppers, &e.) D. 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, &e. 
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.) 
