SUCTORIA 



635 



Fig. 288. a, Acineta tuberosa, X670 (Calkins); b, A. cuspidata, 

 X670 (Stokes); c-e, Tokophrya infusionum (c, X400; d, a free-swim- 

 ming bud; e, a j^oung attached form, XSOO) (Collin); f, T. cyclopum, a 

 young individual, X500 (Collin). 



or partly filling lorica; s warmer with ciliated band or completely 

 ciliated; fresh or salt water. Numerous species. 



A. tuberosa E. (Fig. 288, a). Lorica 50-100/z high; with stalk; 

 salt and brackish water. 



A. cuspidata Stokes (Fig. 288, h). Lorica cup-shaped; front 



