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piones, (Scorpions) andCancri (Crabs.) 

 The Onifcus has 14, and the Juli an4 

 Scolopendri ftill more. 



The firft joint of the leg, which is 

 generally thickeft, is called Femur 

 (platei.y.) the fecond, which is ge- 

 nerally of the fame iize throughout, 

 *Tibia\ (g.) the third, which is join- 

 ted, is diftinguifhed by the name ef 

 Tarfus (h.) ; and the laft, which in moft 

 infecls is double, by that of Un- 

 guis (i.), The legs of infecls, in ge- 

 neral, are named from the various mo- 

 tions they produce :-— 



Ciirforii, from that of running, which 

 are themoft numerous; Sa/tatorii, from 

 that of leaping ; Natatorii, from that 

 offwjmming, &c. 





