XIV 



PREFACE. 



fe&s copulate, and the places where they 

 depofit their eggs ; what food the young 

 larvae or caterpillars feed upon; if vegeta- 

 ble, whether it be the root, trunk, leaf, 

 flower or fruit; if deftru&ive, as they moftly 

 are, the methods ufed by the natives to de- 

 ftroy them ; and if ufeful, the means of cul- 

 tivating them ; and what are their natural 

 enemies ; the form, attitude, and markings 

 of the caterpillar Ihould be defcribed ; if 

 it has feet, their number, and the particular 

 rings on which they are jfituated ;, whether 

 it be fmooth, hairy or fpinous, and the man- 

 ner of it's changing into the chryfalis or 



fmpa ftate, and how long it continues be- 

 bre it arrives to perfeftion, with the various 

 inftinfts and contrivances they have for 

 avoiding dangers and catching their prey. 



In fhells, not to negleft the number of 

 them belonging to one animal; when fingle, 

 the turn in the windings, whether to the 

 right or left ; the ftripes, fpots, bands, 

 knobs, fpines, furrows and other marks; 

 {hape of the mouth or opening of the (hell, 

 lips and beaks : In thofe that have two or 

 more valves, their equal or different fizes ; 

 the form of the hinges where they are con- 

 nefted, and the number of indentures tally- 

 ing together ; the ftripes and furrows on 



