APPENDIX 



TO 



WRA LES. 



-L\.S an appendix to the history of this extra- 

 ordinary tribe, and in order to convey as much 

 general information as possible on so interesting 

 a subject, I shall avail myself of Mr. Hunter's 

 Unit paper in the Philosophical Transactions, 

 in which an accurate description is given both of 

 tin- external and internal appearance of several 

 of the principal species. I shall give the obser- 

 vations chiefly in Mr. Hunter's own words, with 

 -ome occasional abridgements and omissions. The 

 whole mu>t necc^anlv appear somewhat tedious 

 to common readers, but those who know how to 

 appreciate its importance will highly approve of 

 its insertion. 



THIS order of animals has nothing peculiar to 

 lish. except living in the same element, and being 

 endowed with the same powers of progressive mo- 

 tion as those fish which are intended to mo\ e with 

 a considerable velocitv. 







Although inhabit : the waters, they be- 



long to the same (lass as quadrupeds; breathing 

 air, being furnished with lungs, and all other parts 

 peculiar to the occonomy of that class, and having 

 \\arm blood; for \\e may make this general re- 

 mark, tint in the different classes of animals there 



v. ii. p. ii. 34 



