448 INDEX. 
Animalcula propagate by the body dividing into 
parts . - Page 
Propagation of thofe refembling groups collected to- 
gether : - 
Propagation of thofe refembling concentric ftrata of 
animals - . - 
Animalcula propagating by divifion are properly in- 
fufion polypi = . 
Multiplication and deftruction + 
Heat accelerates divifion ee 
Some animalcula are oviparous - 
Some are viviparous - 
The author has not obferved animalcula copulate 
They are hermaphrodites - 
They perifh irrecoverably on evaporation of the fluid 
Animalcular eggs produce though they have been 
dried - - 
The germs of animalcula come from the air 
Analogies of animals of 
Thofe of birds inapplicable to fifhes, reptiles, andin- . 
fects - - 
Animals may exift whofe life confifts in irritability of 
their parts 3 u 
Animalcula are real animals - 
Recapitulation of the experiments and obfervations 
Suppofed organ of refpiration i 
How the divided parts of an animal may become ani- 
mated and fentient beings - 
152 
153 
154 
156 
157 
159 
161 
165 
166 
167 
163 
* 
170 
191 
193 , 
FT 
:182 
184 
188 
Igt 
LETTERS 
