SECTION I. 9 



to the arrangement of Animals are to be 

 held in the fame light, as chemical ones 

 in regard to foffils : they are the extreme 

 difqulfitions to afcertain the fpecies, when 

 the more obvious and eafy charaders are 

 vague or wanting. 



Thus all ranks of animals are arranged 

 into fyftems by obvious and external, not by 

 fcientifical chara£lers; even the animals of 

 bulk, and that are our conftant companions. 

 Quadrupeds are methodized by their teeth, 

 horns, hoofs, and hides or coverings ; 

 birds, by their plumage, beaks, and claws; 

 reptiles and infe6ls, by like particulars; 

 the very fiflies, though of a different ele- 

 ment, undergo arrangements by their fins; 

 and the vegetables are diftinguiihed by 

 their flowers and fruits. All thefe arrange- 

 ments are on the principles of external and 

 obvious charadlers. Why then is it re- 

 quired to arrange by fcientifical or difficult 

 charaders a fett of animals who chiefly 

 |iye in the depths of the fea, have hardly 



? prq- 



