ON GENERATION. 171 



rate from each other : And that I might have 

 an objed; to compare with the female fluid, I a- 

 gain examined the feminal liquor of a dog, 

 which had been emitted in the natural manner. 

 I found the moving bodies in the fame ftate, and 

 attended with the fame circumftances as former- 

 ly [pi. VI. fig. 19.]. 



E X P E R. XXVI. 



A live bitch was next diffeded, which had 

 been four or live days in feafon, without having 

 any communication with the male. The telficles 

 were as large as filberds. On one of them I found 

 a red prominent glandulous body of the fizeof a 

 pea, which had a perfed: refemblance to a little 

 nipple, with a vifible filTure, that had two lips, 

 one of which was more prominent than the o- 

 thcr. Having opened this fiffure, a liquor di- 

 iiilled from it, which we colleded for exami- 

 nation. The tefticles were then returned into 

 the body of the animal, which was ftill alive, 

 in order to prefcrve them from cooling. I 

 then examined this liquor with the microfcope, 

 and had the fatisfadion of perceiving, at the lirft 

 glance, moving bodies with tails, exadly fnnilar 

 to thofe which we had obferved in the feminal 

 fluid of the dog [pi. VI. fig. 20.]. Meflrs Need- 

 ham and Daubenton, who were prefeiit, were fo. 

 ftruck with this refemblance, that they could not 



be 



