872 



PROTOZOOLOGY 



P. buckei (Kent) (Fig. 371, c). Attached end of lorica with basal 

 plate; 3 contractile vacuoles; up to 125ju long; on Lymnaea stagnalis 

 and Ranatra linearis. 



Fig. 371. a, Thecacineta colhurnioides, X400 (Collin); b, T. gracilis, 

 X270 (Wailes); c, Periacineta buckei, feeding on Chilodonella, X530 

 (Collin); d, Hallezia brachypoda, X200 (Stokes); e, Solenophrya inclusa, 

 X230 (Stokes); f, S. per a, X230 (Stokes); g, h, Acinetopsis lentaculata 

 (g, X130; h, X230) (Root); i, j, Tachyblaston ephelotensis (i, a young 

 individual in Ephelota, X260; j, mature form, X500) (Martin); k, 

 Dactylophrya roscovita, X830 (Collin). 



