128 GRAMMAR OF ENTOMOLOGY. 



408. The appendages of which the uses are un- 

 known or doubtful, are the leaflets (foliolce) ; pin- 

 cers {forceps), as in the earwig ; tails (caudw and 

 caudulce), as in the cockroach and cricket. 



469. It may be proper to observe, that insects 

 have many external parts here undescribed, and 

 many yet unnamed ; but sufficient are now 

 noticed to enable a reader to describe any insect 

 he may meet with, or to understand any descrip- 

 tion he may read. 



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