62 



HARDWICKE'S SCIENCE-GOSSIP. 



Fie. 34. — Oihyrzdtuin versatile, i, Group in gelatinous en- w . , r . ■ , , . c ■£■ :, f „i; c r,. nm ~ tn 7, 



■ '*»• Jt- >-v ^ "» - . » r . = ,._ tie. ocr, — Various stages in development of i-pistyns trom « to «. 



velope; 2, 3 and 4, separate individuals in different con- s J -> »«""•» °"»" *" "" ""«" ^ J 



ditions; 5 and 6, head magnified ; 7, young animalcule 



produced by gemmation ; 9, swimming animalcule. 





-4vC^ ••-*/'. ? apt, 



Fig. 36. — Cosmariuin margariti- 

 ferutn. 



Fig. 37. — Volvox glob 1 tar. 



Fig. 38. — Clostertum strialaium. 



