LECTLU1. II 



-uadrupeds \\hich we shall find to ! 

 more properly referred to the Linna-an Amphibia. 

 Aiiioni; the Mammalia \\e muM not In; .surprised 

 to find all the kinds of Whales arranged; it being 

 well known that those animals nun rish their young 

 by suckling tin in, in the manner of other Mamma- 

 lia; and that in the structure of their skeleton and 

 internal parts, they resemble quadrupeds and not 

 fishes; so that they may be considered as Mamma- 

 lia in the disguise of Fishes. 



The doubtful instance which I just mentioned 

 .empt'itied in that most singular animal called 

 the Duckbill: a native of New-Holland, and dis- 

 covered but a very few years ago. In this animal 

 we have the appearance of an indistinct alliance to 

 very different tribes, since the bill or snout resem- 

 bles that of a Duck, and, upon the strictest 

 ruination that has yet been made, no appeal . 

 of teats has been discovered in the female; so that. 

 if the animal be really destitute of those organs, it 

 cannot belong to the Linnxan Mammalia, the 

 jrund or essential character of which consists in 

 being provided with them. 



The general characters of the Mammalia at 

 large are the following. 



