66 METAMORPHOSES. 



circumstance chrysa.taes by the Greeks, and aurelict 

 by the Romans, both which terms are in some measure 

 become anglicized,' and though not strictly applicable 

 to ungilded pupse, are now often given to those of all 

 lepidopterous insects 3 . These by Linne are denomi- 1 

 nated obtected pupae b . 



I have said that most insects eat no food in the pupa 

 state. This qualification is necessary, because in the 

 metamorphoses of insects, as iii all her other operations, 

 nature proceeds by measured steps, and a very con- 

 siderable number (the tribe of locusts, cockroaches, bugs, 

 spiders, &c.) not only greatly resemble the perfect in- 



tt In explanation of the terms Lepidoptera, Lepidopterous, Coleo- 

 ptcra, Sec. which will frequently occur in the following pages before 

 coming regularly to definitions, it is necessary here to state that they 

 have reference to the names given by entomologists to the different 

 orders or tribes of insects, as under : 



1 Coleoptera consisting of Beetles. Plate I. Fig. 1- — G. 



2 Strepsiptcra of the genera Xenos and Stylops. Plate II, 



Fig. 1. 



3 Dcrmciptera of the EarUngs. Plate I. Fig. 7- 



4 Orthoptera of Cockroaches^ Locusts, Grasshoppers^ 



Crickets, Spectres, Mantes, <$c. Plate II. Fig. 2. 3. 

 b Hemiptera consisting of Bugs, Cicada", Water-scorpions, Water- 

 boat-men, Plant-lice, Cochineal Insects, &c. Plate II. Fig. 4. 5. 



6 Tr'nhoptcra consisting of the flies produced by the various species 



of Case-worms, PJuyganea, L. Plate III. Fig. 4. 



7 Lepidoptera consisting of Butterflies, Haivkmoths, and Moths. 



Plate III. Fig. 1—3. 



8 Neuroptera consisting of Dragothflies, Ant-lions, Ephemera*, §e. 



Plate IIL Fig. 5, G. 



9 Hymenoptera consisting of Bees, Wasps, and other insects armed 



with a sting or ovipositor, and its valves. Plate IV. Fig. 1 — 3. 



10 Diptera consisting of Flies, Gnats, and other tivo-winged insects. 



Plate IV. Fig. 4. 5. Plate V. Fig. 1. 



11 Aphaniptera consisting of the Flea genus. Plate V. Fi^. 2. 



12 Aptera : of Mites, Lice, &c. Plate V. Fig. 3-6. 



*> Plate XVI. Fjg. 10—13, 



