ON GENERATION. 165 



any of the yellow colour, and was more fluid 

 than the former. As the quantity was very 

 finall, I was apprehenfive lelt it ihould dry too 

 fuddenly ; I theielore indantly mixed it with 

 water, and could perceive in it neither the fila- 

 ments nor the ftrings of beads that I had obfer- 

 ved in the other ; but I difcovered the large 

 globules, and farther remarked, that they had a 

 kind of trembling refllefs motion. They had 

 alfo a progrefTive motion ; but it was very flow : 

 Some of tliem moved round others, and moll of 

 them appeared to turn round their centres. I 

 could proceed no farther in my oblervations, 

 becaufe the liquor dried fuddenly up. 



E X P E R. XIX. 



Having diifed-ed another rabbit that had been 

 placed in the lame circumilanccs, 1 found no 

 feminal li([uor ; but, in the feminal vellels of 

 another, I found nearly as much congealed mat- 

 ter as in Exper. XVII. I examined this matter 

 without difcovering any thing. I therefore took 

 the whole, and, adding to it a double quantity 

 of water, lliook the mixture violently in a glafs. 

 I then left it to fettle for ten minutes ; after 

 which 1 examined a drop taken from the furface, 

 and perceived the large globules formerly men- 

 tioned ; but they were few in number, and per- 

 fectly detached from one another. They moved 



I-" 3 towards 



