cate +) a 
CLASS I. MAMMALIA. 
ficmarks, his class is not entirely depen- 
dant on instinct ; for every animal of this class 
possesses fachities Which enable it to accommo: 
date its views to. necessitous or restricted circum- 
stances. ‘Their lungs are divided into two lobes; 
and their trunks are. divided transversely by a 
diaphragm. ‘The part above the diaphragm con- 
tains the heart and lungs; the part below contains 
the stomach and all that part of the alimentary 
canal, which is below the upper opening into the 
stomac h. gre 
The animals of this class have the most com- 
plicated structure and the most delicate sensa- 
tions ; consequently are subject to the greatest 
variety of disease. "Their desires are multifari- 
ous ;. and while seeking their gratification, they 
bring into eperation and greatly perfect all their 
various functions. ‘Their brains are larger than 
those of other classes which have brains; and a 
slight derangement of the brain, dee iome: life. 
THE CLASS. MAMMALIA 1s DrvIDED- INTO: 
EIGHT ORDERS a te 
ORDER 1. BIMANEL 
Having two hands and cuspidate teeth. ree. 
ing on animal and. vegetable substances. . os Rouge 



Homo, (man) body erect, and sustained upon 
two feet ;. face nearly vertical, or: forming 7 an an- 
sle of more than seventy degrees with the basis of 
the cranium.. 
eR 
