ON GENERATION. 163 



E X p E R. xvr. 



Next day, the number of moving globules 

 was flill increafed -, but they were fmallcr ; their 

 motion more rapid and more irregular ; and 

 their form and manner of moving were dif- 

 ferent, and appeared to be more confufed : The 

 day after, and the following days, till the 20th, 

 moving bodies flill appeared in this water. They 

 daily diminiflied in fize, and at laft became fo 

 imall that they could hardly be perceived ; but 

 the laft of them 1 was able to diftinguifh on the 

 1 8th and 20th days, moved with the fame ra- 

 pidity as ever. On the top of the water there 

 was a pellicle which appeared to be compofcdof 

 the Ikins or coverings of the moving bodies, of 

 fmall threads, &c. But no motion appeared in 

 it. This pellicle and the moving bodies could 

 not be introduced into the liquor by means of 

 the external air ; for the bottle was always 

 clofcly corked. 



E X P E R. XVII. 



I opened fucceffively, on different days, ten 

 rabbits, in order to examine their feminal fluid. 

 In the lirft, fecond, and third, I found not a 

 fmglc drop, cither in the tcfticles or i'cminal vcf- 

 fcls, though I was certain that two of them were 



L 2 fathcis 



