Of the Phenomena in 



tho' they retailed their Adlivity foi* 

 more than twenty Days after they 

 were taken out of the Body of the 

 Fifh, and immerfed in Spirits, with- 

 out any fenfible Diminution, yet 

 now have in a Manner totally loft 

 it, tho' they remain to all Appear- 

 ance in the Microfcope perfectly the 

 fame. If therefore any of my 

 Readers defire to verifie the Fads 

 I have mentioned, they muft apply 

 in the Seafon for frefh Objects, and 

 do their utmoft to procure the Milt- 

 Veffels when perfectly ripe for Acti- 

 on ; for thefe only will anfwer to all 

 the Phenomena I have taken No- 

 tice of, tho' the lefs Mature will 

 fuffice for in oft of them. 



C H A P. 



