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CLASSIFICATION. 
Class IV. PALIilOBRAI^CmATA : comprising one Order, which contains the 
hngula anatina. 
Class V. liAMELililBRAI^CHIATA S divided into two Orders : 
ORDER 1. SIPHONATA, including the cockle, clam, &c, 
ORDER 2. - ASIFHOMATA, including the mussel, pearl-oyster, scallop, oyster, &c. 
Class VI. TUWIC ATA : divided into two Orders: 
ORDER 1. BIPHORA, including the salpa. 
ORDER 2. ASCIDIA, including the pyrosoma. 
Class Vlf . BR V®25©A : divided into two Orders : 
ORDER 1. LOPHOPODA, including the crystateila. 
ORDER 2. UNTFUNDIBULATA, including the sea-mats. 
Division III. ARTICULATA, 
Arranged in eight Classes and various Orders, as follows : 
Class I. II^SjECTA, or Insects : divided into thirteen Orders, as follows : 
ORDER 1. COLEOPTERA, including the cock-chatTer, beetles, wire-worm, fire-fly, 
glow-worm, scarabffius, blister-fly, diamond beetle, church-yard beetle, 
corn-weevil, nut-weevil, turnip-fly, lady-bird, putf-ball beetle, &c. 
ORDER 2. STREPSIFTERA, bee-parasites. 
ORDER 3. HYMEBIOPTERA, including bees, wasps, hornets, ants, ichneumon- 
fly, gall-fly, saw-fly, &c. 
ORDER 4. LEFIDOPTERA, butterflies, moths, silk-worms, caterpillars, &c. 
ORDER 5, DIPTERA, two-winged flies, house-flies, forest-flies, daddy-long-legs, 
Hessian-fly, gnat, mosquito, &c. 
ORDER 6. APHAMFTERA, fleas. 
ORDER 7. NEUROPTERA, including the snake-fly, scorpion-fly, ant-lion, dragon- 
fly, ephemera or May-fly, stone-fly, death-watch, termites or white 
ants, &c. 
ORDER 8. ORTHOPTERA, including the cock-roach, ear-wig, the mantis or 
walking-leaf, the walking-stick, cricket, and locust. 
ORDER 9. PHYSOPOBA, including the thrips cerealium. 
ORDER 10. RHYNCHOTA, including the bed-bug, boat-fly, cicada, hop-fly, lantern- 
flies, aphides or plant-lice, cochineal-insect, &c. 
ORDER 11. THYSAHURA, including the machilis, spring-tails, &c. 
ORDER 12. MALLOPHAGA, insects resembling lice. 
ORDER 13. AMOPLTJRA, louse. 
Class II. MYRIUPOBA, Centipedes : including two Orders : 
ORDER 1. CHILOGRTATHA, including the true centipede. 
ORDER 2. CHILOPODA, including the scolopendra. 
Class III. ARACHWIBA : including five Orders, as follows 
ORDER 1, DIMEROSOMATA, including spiders of various kinds. 
ORDER 2. POLYMEROSOMATA, including scorpions. 
ORDER 3. ABELARTHROSOMATA, including the harvest-spider, &c. 
ORDER 4. AOARMA, or Monomerosomata, including the dog-louse or harvest- 
bug, cheese-mite, itch-mite, &c. 
ORDER 5. PODOSOMATA, fish-parasite. 
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