228 WORMS. INFUSORIA. 90. 91. 



as it is broad ; the fore-part obtufc, hyaline.; the hind-part filled 

 with molecules ; the fold reaching from the middle to the tip, 



848. P. Chrysalis. Cylindrical, longitudinally plaited on 

 the fore-part, obtuse behind. 



Adams Microfcope p. 483. tab. 25. /. -26. 



-In fait water ; refembling the laft, but is more obtufe behind ; 

 the margins filled with black globules. 



849. P.ociferum. Depressed, with large oval molecules 

 within. 



Adams Microfcope p. 4^3. tab. 25. f. 25. 

 Body oval, pellucid, with black grains. 



$50. P. marginatum. Depressed, grey,, with a double 

 margin. 



Adams Microfcope p. 483. tab. 25. f. 24. 



at, elliptical, with a clear fpiral intestine. 



90. CYCLIDIUM. 

 $51. C. Bulla. Orbicular, transparent. 



Hill Anim.t. t. a. Wrisb.infus.f. x. b. 



Jn infusions of hay ; pellucid, white, with the edges a Httlq 

 darker : motion slow and circular. 



852. C. radians. Oval, with distinctly visible intes- 

 tines. 



Hill Hist. anim. tab. \.f. 3. 



. In vegetable infusions ; fmooth, pellucid, with a blue canal . 

 within branching into 2 arms, and 2 tranfvcrfe lines just beneath 

 the middle of the body. 



$53. C, Nucleus. Oval, ending in a point behind. 



Hill Hi st. anim. tab. i . /. 4 ? 



In vegetable infusions, refembling a grape-feed; intestines visi- 

 ble, the fore and hind-part dark each side. 



854. C. Pediculus. Oval, convex above, flat beneath. 



.Trtntbley Polyp. \.p. 282. tab."j.f. 10. 11.^ 



On the arms of the Hydra fufca : gelatinous, whitish, each end 

 deprefsed and truncate, fometimes cloven at one end. 



91. VIBRIO. 



855. V. Lunula. Bow-shaped, pointed at each end. 



Adams Microjcope p. 458. tab. 25. /. 16. 



Body green, with a few globules difpofed longitudinally, 



856. V. Serpeniula. Ol'an^quai size, rather pointed at 

 the ends. 



Mill Anim. t. i. Spallanz. Microfc.p. 189.7. 2. 12. 



In vegetable infusions of several weeks standing : whitish, 

 frequently convolute and drawn into various forms, marked with a 

 longitudinal row of white dots. 



$57. V. Aceti. Rather rigid, with a tapering pointed 

 tail, and a retractile protuberance at the base. 



Adams micr. t. \\.f. 7. Bak. Micr. t. to:/. 8. t>. 



In vinegar and other mild acids-. very fertile, pellucid, and 

 active; is both viviparous and oviparous, 



858. V. Glutimt. Filiform, with a dark shield on the 

 back surrounded with a while ring : head ob- 

 tuse. 



Adams Micr, p. 462. tab.. M./, 6. 8, 9. o. 



