872 INFUSORIA. 
which he has arranged as the fourth great division of the Animal Kingdom 
Lamarck divides the Infusoria into two orders: 
I. Inrvsor1a APPENDICULATA.— With projecting parts at their exterior, as 
hairs, horns, or a tail. 
II. Inrusorta Nupa, or naked Infusoria. — Destitute of exterior appen- 
dages. 
