WORMS. INFUSORIA. 92. 93. 229 



In paste and other viscid substances which have been kept some 

 time ; resembles the last, but is much slower, shorter, and less 

 pointed at the tail. 



B59. V. dnguilula. Somewhat rigid, tapering both 

 ways. 



Mams Micr. t. 1 1 ./. 4. 5. Nat. Mhcell. t. 431 . 



In paste, vegetable sediments, and infusion* of grain, and in sea 

 water ; pellucid, with hardly visible intestines, but sometimes a 

 transverse line in the middle, and rarely a longitudinal row of glo- 

 bules : it is ovipaious. 



860. V. Anser. Elliptic, with a long neck, and a tubercle 

 on the back. 



Adams Micr. p. 477- '**. 25-/-. 2 7- *9 



In water where Duck-weed grows; elliptic, round, full of mole- 

 cules, produced into a bending deck longer than the body on the 

 fore-part, sharp and bright behind. 



861. V. Olor. Elliptical, with a very long neck clavate 

 at the end. 



Donov. Ins. t. 23. /. t. Adams Micr. t. 25. /. 28. 



In water replete with decayed vegetables ; tnembranaceou*, 

 dilatable, continually moving the neck, eomewkat pointed 

 behind. 



862. V. Proteus. Gelatinous, shooting out into a fine 

 point. 



Donovan Ins. t. 32. /. 3. 4. Adams Microfc. t. 25. /. 4. 5. 



lu river water, pellucid, filled with black molecules, changing its 

 form continually, but always ending in a point. 



92. BACILLARIA. 



863. Paradoxa Bacillaria. 



Adams Micro/cope t. 25. /. 13-15. Nat. Mifcell. t. 436. 



On the Ulva latifsitna : body compofed of 5-40 linear yellowish 

 short filaments united together, forming themfelves into afquare, 

 eigzag, or extended line, but always preserving .their parallclifm 

 and resting in a fcjuare. 



93. ENCHELIS 



864. E. punctifcra. Green, subcylindrical, obtuse before, 

 pointed behind. 



Adams Micr. p. 443. tab. a^./. 8. 



In marshes; opake, with a pellucid pot containing 2 black 

 'dots on the fore-part, and a double dark band in the middle^ 



865. E. caudata. Elongated, obtuse before, tapering to 

 a tail behind. 



Adams Microsc. p. 447. tab. **>/. 9. 



Body grey, pellucid, covered with globular molecules, obtwe 

 before, tapering to a transparent tail behind. 



8G6. E. retrograda. Transparent, narrowed before, 

 with a globular tip. 



Adams Micr.p, 448. tab. 25. /. ti. 12. 



Gelatinous, without visible inteftines, moving sideways, and 

 fometisie* retrograde, 



867. E. Truncus. Cylindrical, with a dilated round 

 head. 



Adams Micr. ^.450. ttb. *.$./. 10. 



Body large, mucous, grey, rather opa^e, globular in fronf, 

 obtufe behind, with sometimes 3 teeth protruded from the middle 

 V 



