[ loi ] 



lines on the body, &c. all confpire in their turn to 

 the fame end, 



Clafs V. I N S E C T A. Insects. , zx 



No part of the fyftem of nature has undergone 

 a greater change than this clafs ; neither does our 

 author Hand more unrivalled, than in the excel- 

 lent arrangement he has given to this branch of 

 natural hiftory which, before his time, was nearly 

 without method. It comprehends 87 genera, 

 difpofed into feven orders^ founded, in moft of 

 them, on the differences obfervable in the number 

 and texture of the wings. Our intended brevity 

 will not permit a detail of the genera^ in the fuc- 

 ceeding parts of the fyftem •, we muft, therefore, 

 now that we are defcended to the inferior parts 

 of the animal kingdom, only give the definitions 

 of the feveral orders^ with a few obfervations. 

 The firft order is called, 



I. CoLEOPTERA. Infefts having the wings co- 

 vered with two cruftaccous cafes, divided by a 

 longitudinal future. 



This order is the moft numerous ; it contains 

 almoft all thofe infeds which go under the gen^eral 

 name of Beetles: and includes upwards of 900 

 fpecies, ranked under 30 genera. Among thefe 

 are the Chafers, Stag-beetles, Leather-eaters, Car- 

 rion-beetles, Tortoife-beetles, Lady-flies, Honey- 

 beetles, Weevils, Mulk-beetles,Glow- worm. Spring- 

 beetles, Water-beetles, Blifter-beetle, Rove-beetle, 

 Earwig, and feveral other genera, 



IL Hemiptera. Half- winged infefts ; having 

 {he flieils or cafes femi-cruftaceous, not divided by 



