CHARACTERS, &c. 



fupply the want of lungs - 9 the upper part 

 of it is called the tergum, or back, the un- 

 der part the venter, or belly, which is ter- 

 minated by the anus. 



The limbs are the tail and the feet, to 

 which (in many fubje&s) we may add the 

 wings. 



The tail terminates the abdomen •> it 

 fometimes has two appendices, or horns, 

 and ibmetimes none ; it is either Jimple, or 

 armed with a forceps, a fork, a briftle, or 

 a kind of claw or /ling, which again is ei- 

 ther fmple, or compofed, fmooth, ox jagged 

 like a faw. 



The feet are compofed of Femora, or 

 thighs (the joints immediately fixed to the 

 body;) tibia, or jhanh (the fecond joints) 

 the tafji, which form the third fet, are 

 compofed of an indefinite number of arti- 

 culations, and are terminated by the un- 

 gues, or nails : fome have a kind of hand 



(chela) 



