MO WORMS. INFUSORIA. 82. Vortieella- 



In stagnant waters : rigid, with the tubercles of the florets con-- 

 vex and radiate. 



767. V.umbellaria. Simple, globular, i?ith bluekiih 

 granulations, and a rigid stem. 



Adams Microfc. p. 402. tab, 29. /. 30. 



In stagnant waters, .resembling a fpot of mould ; kcadf yellowifh, 

 with distinct opake dots : braitckts forked : cluslert flat-topped. 



768. V. berberina. Simple, oval, with a branched rigid 

 stem, and white granulations. 



Adams 'Microfc. p, 406, Roes. bis. 3. t. 99, 



In fresh water : branches tranfparcnt, and when clustered toge- 

 ther appearing of a changeable violet colour. 



769. V. nebulifera. Simple, oval, with a reflexilc stem. 



Adams Miscrofc. p. 560. tab. 27. /. 66. 



On the Conferva polymorpha, invisible to the naked eye j J!ore4f 

 narrow at the bafe, truncate and margined when open, oval 

 when shut. 



770. V. Convallana. Simple, bell-shaped, with retoriile 

 stem. 



Adams Microfc. t. 22. /. 39. Nat. Mifc. tab. 31 2. 



In fresh waters, .on other fubstances, appearing to the naked eye 

 as fo many white points: stemt contracting fuddenly in a fpiral 

 manner, and in a moment expanding themselves again. 



; 7 \ . V. lunaris. Siuipic, hemisphierical, with a crescent- 

 shaped aperture, and retort.ile stem. 



Mams Micr. t. 27. /. 54. Donovan Ins. t/S^f. 1-3, , ....." 



In stagnant waters.: Jlortt cup-shaped, w ith. a protuberant mar- 

 gin ciliaieeach side with undulating hail*. 



^72. \.titrina. Simple, variously shaped, with a con- 

 tractile mouth, and equal stem, 



Adams Microfc. p. 558. tab. 27. /. 53. 



In stagnant water : head large, tranfparent, with grecnish-yelloy 

 fpecks : ftem curved 1 . 



Ifc, Furnixluulttith a tail. 



Ifr. Furnixluurteith a tail. 



77$. V.Jloscitlosa. Clustered, oblong-oval, with a dila- 

 ted pelhicid disk. 



AJnmt MicroCcobe 6. ^<^i. t. 27. /. AJ. .62. 



. 

 n, fmooth, or ruggecj with annulatipns. 



. .socfts. Clustered,, ciavate, with an ohliquQ 

 disk and rough surface. 



icroc. 



. .. , 



disk and rough surface. 



Hydra fociaHs. Adams Microfc. p. 395. t. 21 ./. 1 1 . 



In ditches, growing in clusters on the Ceratophymim, and 

 united by their finall thin tails to a common centre; head fame-. 

 times contracting into. an almost globular form. 



v vtrnini-en. Simnlp. trinnrjet-shaned. with a cili- 



it globular form. 



trumpet-shaped, with a cili- 



, 



Baher Microfc. p. 302. tab. 12. /. -2. 



Scattered, oblong) tapering into a. tail. 



