l.Floscularia 2. SrefDhan oceros 3.Melicerra 



!-, 



-st 



4.Melicerra o.Philodina 



6. A s p la nchna 



ZHy.daMna lO.Norhoica 



FIG. 269. Typical forms of Rotifera : 9 and 10 show the lorica only. a. anus ; c*. A ciliary 

 i circlets ; int. intestine : HI. muscle ; ph. pharynx. (After Hudson and Gosse.) 



