DIFFERENT SYSTEMS. 123 



which he found in the purfe. He blew into this 

 fiiTure with a pipe, and the whole glandulous 

 body immediately fwelled ; and, having mtro- 

 duced a briftle, he eafily penetrated to its bot- 

 tom. He opened the body on that fide where 

 he had introduced the bridle, and found an in- 

 ternal cavity which communicated with the 

 nipple, and contained a confiderable quantity of 

 liquor. Valifnieri was always in hopes of difco- 

 vering the egg ; but thefe hopes, notwiihftand- 

 ing all his reiearches, were uniformly fruftrated. 

 He likewife found, in the left tefticle, two glan- 

 dulous bodies very fimilar to thofe in the right. 

 He boiled two of thefe glandulous bodies, hoping 

 that, by this means, he might difcover the egg ; 

 but ftill without any meafure of fuccefs. 



Having difleded another bitch four or five 

 davs after flie had received the male, he found 

 in the tefticles three glandulous bodies exadly 

 fimilar to the former. He fearched every where 

 for the egg ; but he was ftill difappointed. By 

 the aififtance of the microfcope, he difcovered 

 the glandulous bodies to be a net-work, compo- 

 fcd of an infinite number of globular veficles, 

 which ferved to filtre the liquor that iflued 

 through the nipple. 



He then opened another bitch which was not 

 in feafon, and having tried to introduce air be- 

 tween the tefticle and the purfe which covered 

 it, he found that it dilated like a bladder filled 

 with air. Having removed the purfe, he difco- 

 vered 



