20 



POLYZOA. 



set on one side only, in a single row, the rows 

 separated by blank intervals ; animals with eight 

 tentacles. 



A. lendigera. Fig. 33 ; n. s. and mag. 



Vesicularia (Thomps.). Shoot branched, jointed ; 

 cells oval, separated, on one side, in one row ; 

 animals with eight tentacles and a gizzard. 



V. spinosa. Fig. 34 ; n. s. and mag. 



Valkeria (Flem.). Variously branched: cells 

 oval, clustered irregularly; animals with eight 

 tentacles, no gizzard. 



V. cuscuta. Fig. 35 ; n. s. and mag. 

 uva. 

 pustulosa. 



35 



Mimosella (Hincks) . Variously branched ; cells 

 ovate, set in two rows, opposite, with a joint at the 

 base, on which they can move to and fro, and fold 



