7 22 WORMS. INFUSORIA. 117. Volvox. 



*Retrogra- Tranfparcnt, narrower before with a globular tip. 

 da. Jdams micro/c. p. 44S. tab. 2$. jig. n, 1 z. 



Body gelatinous, vvirhout vifible inteftines j moves fide-ways and I 

 fometimes retrograde. 



•Truncus. Cylindrical, with a dilated round head. 



Adams micofc p. 450. tab. 25. jig. 10. 



Body large, mucous, grey, rather opake, the fore-part globular, 

 the hind-part obtufe, with fometimes 3 teeth protruded from 

 the middle on one fide, filled with globules: motion flow, 

 from right to left. 



Spatula. Cylindrical, ftriate, with a tranfparent fpatulate tip. 

 Adams microjc. p. 450. n. 49. # . 



In ilagnant waters: body cryftalline, with fine longitudinal fur-. 



rows and a few globules, the top dilated : moves in an undu-j 



late manner. 



Papula. Cylindrical, with a papillary tip. 



Adams mhrofc. p. 451..*. 50. 1 



In dunghills: ^ round, protuberant, opake before, turmlnea, 

 with a papillar finger-ihaped head, pellucid behind, both ends 

 obtufe : motion rotatory, in an oblique direction. 



117. VOLVOX. Worm invifible to the naked 

 eye, iimple, pellucid, fphcerical. 



Globulus. Globular, the hind-part fomewhat obfcure. 

 Adams microfc p. 438. fi. 15. 



In vegetable infufions : body fometimes fomething oval, with the 

 inteftines juft vifible behind : has a flow fluttering motion. 



Filula, Spherical, with imixioveable green inteftines. 



Adams microfc. ^,438. n. 16. | 



In purer waters : body apparently encompafTed by a kind of hal<?> 

 and has a rotatory motion. 



■*Spharula. Sphasrical, with fimilar rounded molecules. 

 Aaams mhrofc. p. 439. tab. 25. f. 6. 

 Sckrank Beytr. 1. t>. 141. tab. 2. F. 

 Hermann. Naturf. 20. p. 1 54. tab, 3. jig. 33. 

 In ftagnant waters: body compofed of about 60 pellucid homoge- 

 neous tranfparent or greenifti -yellow points: moves dowry 

 about a quarter of a circle from right to left, and then back 



% again from left to right, _ T 



Vvat 



