230 



BIOLOGY OF THE PROTOZOA 



The phenomena of internal budding in the ameboid Myxosporidia 

 of the Cnidosporidia, are still different in character and fate of the 

 buds. Here in the endoplasm local islands of protoplasm are quite 



Fig. 119.— Endogenous budding in Gregarinida. A to D, Eleutheroschizon dubosqui 

 and formation of endogenous agametes. (After Brasil.) E to G, Schizocystis 

 sipunculi and similar formation of agametes. (After Dogiel.) 



separated from the surrounding protoplasm of the parent. Such 

 islands, called pansporoblasts by Gurley (1893) or internal "cells" 

 by Davis (1916), are specialized reproductive centers in each of 



