232 



BIOLOGY OF THE PROTOZOA 



which one or more sporoblasts are formed (see p. 545). In the same 

 living parent organism internal buds in various stages of maturity 

 may be present and in some cases the ameboid parent organism may 



Fig. 121. — Internal buds or "gemmules," b, of Sphaerospora dimorpha, 

 a myxosporidian. (After Davis.) 



