Microscopical Essays. 471 



5. Leucophra : ciliatum undique. Every part ciliated. 



6. Vorticella : ciliatum apice. The apex ciliated. 



*. Covered with a (hell. 



7. Brachionus : ciliatum apice. The apex ciliated,* 



I. Mgn a s. 



Vermis inconfpicuus, fimpliflimus, pellucidus, punftiformis. 

 An invifible,* pellucid, fimple, pun&iform worm. 



1. Monas Termo 8 



Monas gelatinofa. Gelatinous Mona. 



Animalcules femblable a des points, fpall. op. phyf. I, p 0 

 Bullae continue motu, Bonanni obf, p. 174. 



Among the various animalcula which arc difcovered by the 

 microfeope, this is the moft minute, and the moft fimple ; a 

 fmall jelly-like point, eluding the powers of the compound: 

 microfeope, and being but imperfectly feen by the fmgle ; thefe, 

 and fome others of the mona kind, are fo delicate and flender 5 

 that it is no wonder they often efcape the fight of many who 

 have examined infufions with attention ; in a full light they totally 



difappear 



* By invifible we only mean that they are too fmall to be difcerned by the naked 

 eve, 



6 



