L>s CLASSIFICATION. 



€la*s IV. PALMOBRANCHIATA : comprising one Order, which contains the 



lingula anatina. 



Class V. LAHEELL1BRANCHIATA: divided into two Orders : 



( MM >ER l. SIPHONATA, including the cockle, darn, &c. 



< IRDER 2. ASIPHONATA, including the mussel, pearl-oyster, scallop, oyster, <fee. 



Class VI. TCIVICATA: divided into two Orders : 

 ( >EDER l. BIPHORA, including the salpa. 

 ORDER 2. ASCIDIA, including the pyrosoma. 



Class VI I. K1SVOZOA : divided into two Orders: 



ORDER l. LOPHOPODA, including the crystatella. 



< >RDER 2. INFUNDIBULATA, including the sea-mats. 



Division III. ARTICULATA. ' 



Arranged in eight Classes and various Orders, as follows: 



Class I. li\SE€Tii, or Insects : divided into thirteen Orders, as follows : 



( >RDER 1 . COLEOPTERA, including the cock-chaffer, beetles, wire-worm, fire-fly, 

 glow-worm, scarabseus, blister-fly, diamond beetle, church-yard beetle, 

 corn-weevil, nut-weevil, turnip-fly, lady-bird, puff-ball beetle, &c. 



ORDER 2. STREPSIPTERA, bee-parasites. 



ORDER 3. HYMENOPTERA, including bees, wasps, hornets, ants, idincuihoft- 

 fly, gall-fly, saw-fly, &c. 



ORDER 4. LEPIDOPTERA, butterflies, moths, silk-worms, caterpillars, &c. 



ORDER 5. DIPTERA, two-winged flies, house-flies, forest-flies, daddy-long-legs, 

 Hessian-fly, gnat, mosquito, <fcc. 



ORDER 6. APHAWIPTERA, fleas. 



ORDER V. NEUROPTERA, including the snake-fly, scorpion-fly, ant-lion, dragon- 

 fly, ephemera or May-fly, stone-fly, death-watch, termites or white 

 ants, stc. 



ORDER 8. ORTHOPTERA, including the cock-roach, ear-wig, the mantis or 

 walking-leaf, the walking-stick, cricket, and locust. 



ORDER 9. PHYSOPODA, including the thrips cerealium. 



< >RDER 10. RHYNCHOTA, including the bed-bug, boat-fly, cicada, hop-fly, lantern- 



flies, aphides or plant-lice, cochineal-insect, &c. 

 ORDER 11. THYSAWURA, including the machilis, spring-tails, &c. 

 ORDER 12. MALLOPHAGA, insects resembling lice. 

 ORDER 13. ANOPLURA, louse. 



Class II. HVKlOrODA, Centipedes: including two Orders : 



ORDER 1. CHILOGNATHA, including the true centipede. 

 ORDER 2. CHIL0P0DA, including the scolopendra. 



€Ia*s III. 1 IS \< IIM 1> \ : including five Orders, as follows 



< >RDER 1 . DIWER0S0MATA, including spiders of various kinds. 

 ( >RDER 2. P0LYMER0S0MATA, including scorpions. 



ORDER 3. ADELARTHROSOMATA, including the harvest-spider, &c. 

 ORDER 4. ACARINA, or Monomerosomata, including the dogdouse or harvest- 

 bug, cheese-mite, itch-mite, &c. 

 ORDER 5. P0D0S0MATA, fish-parasite. 



