36 SEMINAL VERMICULI.. Th 
it immediately rendered them motionlefs. In 
five minutes, not a fingle vermicule moved.. 
When they had been expofed’ five minutes long- 
er, they were tranfported into warm air, and left 
there for fome time. Although this intenfe cold 
continued ten minutes, the femen was not frozen,. 
but it had-fatally injured a complete third of its 
inhabitants. They evinced no fign.of life when 
removed to, and kept long in, a warm fituation 5 
on the contrary, they had all the appearance of 
death. The other vermiculi recovered indeed, 
but their motion was languid in comparifon to: 
what it was before.. The experiment was made 
15 December, and repeated on the evening of 
January 5 at 10° under freezing.—In about a 
quarter of an hour, I perceived. the femen begin 
to congeal about. the edges of the glafs; I then. 
put it ina ftove, but it was an ineffectual remedy 
for the vermiculi.. Not one recovered ; and thofe 
environed by. the ice perifhed as well as thofe in. 
the fluid parts... The like happened to the ver- 
miculi.of other two glafles, on which I made the 
fame experiments this evening, notwith{tanding. 
care was taken to regulate the different degrees 
of heat, left too fudden tranfition from heat to 
cold might be injurious. 
Such were the experiments with cold: any 
one may draw the conclufions. Very far from: 
excluding vermiculi from the rank of animals, it 
furprifingly 
