c~ 



I.Flos cular ia 



2.Srephanoceros 3. MelicerTa 



a 



4.Melicerra 



5. Phi lod ina 



6. A s p I a nchna 



8. Po ly arl-hra 



9 . N o r e u s 



7. H y.d a N n a 



10.N orhoica 



FIG. 269. Typical forms uf Rotifera : 1 and 10 shuw the lorica only. a. anus ; c j . <:-. ciliary 

 circlets ; inf. intestine ; HI. muscle ; ph. pharynx. (After Hudson and Gosse.) 



