lO 
WORMS. 
V. INFUSORIA. Simple microfcopic animalcules. 
A. ff'ith external srgans. 
Body covered with a flicll and ciliate at the tip. 
Body naked and ciliate at the tip. 
Body hairy on one Tide. 
Body rounded and furniftied with a tail. 
Body every where ciliate, 
B. Without external organs ^ flattened. 
Body angular. 
Body finuatc. 
Body oblong. 
Body orbicular or Ovate. 
Without external organSf round. 
Body hollow like a purfe. 
Body elongated. 
Body cylindraceous. 
Body Gompofed of ftraight flraw-like fila- 
ments, varying in pofition. 
Body rphasrical. 
Body a mere point. 
104. 
Brachionus, 
10^. 
Vorticella. 
106. 
Trichoda, 
107. 
Cercaria. 
114. 
Leucopera. 
B. H 
109. 
Gonium. 
no. 
Colpoda. 
Ill, 
Paramecium. 
112. 
Cyclidium. 
c. 
108. 
Burfaria, 
113- 
Vibrio. 
lib. 
Enchelis. 
115. 
Bacillaria, 
117. 
Volvox. 
118. 
Monas. 
