INDEX. 449 
_ What is the caufe of torpidity ° Page 85 
Buffon fuppofes it arifes from refigeration of the 
blood - - ba i 
This is erroneous = go 
Animals deprived of blood become torpid = - gt 
Torpor is occafioned by mufcular rigidity , “og - 93 
All animals do not become torpid at the fame de- 
gree of cold - : 94 
Death from cold is occafioned by the folids being 
frozen - - - 97 
Certain odours and liquors are fatal to animalcula 98 
Animalcula in urine - . 100 
They were invulnerable to electricity. - ° 10K 
_M. de Sauffure killed them mi 105 
The author alfo fucceeded . 108 
A vacuum is fatal to animalcula . 113 
They do not originate in vacuo - 114 
Probably they refpire - - TIS 
No animal can live without air - ry 
Propagation of animalcula - t18 
It is by the divifion of the body - 123 
Tranfverfe divifion - - 126 
Longitudinal divifion - - 130 
Propagation by a fragment detaching from the body 13¢ 
- The granuli in fome animalcula are not young 139 
The volvox burfts to produce its young : IA 
Theory of germs ey. te - 142 
Bell animalcula - . 144 
They propagate by divifion - 147 
Animalcula 
