66 METAMORPHOSES. 



become anglicized ; and though not strictly applicable 

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

 lepidopterous insects^. These by Linne are denomi- 

 nated obtccted pupae ^. 



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

 state. This qualification is necessary, because in the 

 metamorphoses of insects, as in all her other operations, 

 nature proceeds by measured steps, and a very consi- 

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

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

 sect in form, but are equally capable with it of eating 

 and moving. As these insects, however, cast their skins 



* In explanation of the terms Lejndojjiera, Lepidopterous, Coleo- 

 ptera, &c. 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 Coleoptcra consisting o? Beetles. Plate I. Fig. 1 — 6. 



2 Strejjsiptera of the genera Xcnos and Sti/fops. Plate II. 



Fig.l. 



3 Dermaptcra • of the Earwigs. Plate I. Fig. 7- 



4 Orthoptcra of Cockroaches, Locusts, Grasshoppers, 



Crickets, Spectres, Mantes, cfc. Plate II. Fig. 2. 3. 



5 Hcmiptera consisting oi Bugs, Cicada;, Watcr-scorjnons, Water- 



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



6 TrichojHera consisting of the flies produced by the various species 



of Casc-woryns, Phryganea, L. Plate III. Fig. 4. 



7 Lcpidoptera consisting of Butte?flies, Ilawkmoths, and Moths. 



Plate III. Fig. 1—3. 



8 Ncuroptera consisting of Dragon-flics, Ant-lions, Ephemer<B, ^c. 



Plate III. Fig. 5. 0. 



9 Iliimenoptcra 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 two-winged insects. 



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



1 1 Aphaniptera consisting of the Flea tribe. Plate V. Fig. 2. 



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



'Plate XVI. Fig. 10— 13. 



