66 METAMORPHOSES. 



become anglicized; and though not strictly applicable 

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

 lepidopterous insects a . These by Linne are denomi- 

 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 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 Lepidoptera, 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 Coleoptera consisting of Beetles. Plate I. Fig. 1 6. 



2 Strepsiptera of the genera Xenos and Stylops. Plate II. 



Fig. 1. 



3 Dermaptera of the Earwigs. Plate I. Fig. 7 



4 Orthoptera of Cockroaches, Locusts, Grasshoppers, 



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



5 Hemiptera consisting of Bugs, Cicada;, Water -scorpions, Water- 



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



6 Tnchoptera consisting of thejlies produced by the various species 



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



7 Lepidoptera consisting of Butterflies, Hawkmoths, and Moths. 



Plate III. Fig. 13. 



8 Neuroptera consisting of Dragon-flies, Ant-lions? Ephemerae, fyc. 



Plate III. Fig. 5. 6. 



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 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. 



k PLATE XVI. FIG. 10-13. 



