pud 



FIG. 6. Protoinyxa aurantiaca. 



A, the living organism (plasmodium), showing fine branched pseudo- 

 pods (psd) and several ingested organisms. 



B, the same, encysted ; cy the cell- wall. 



c, the protoplasm of the encysted form breaking up into spores. 



D, dehiscence of the cyst and emergence of 



K, flagellulse which afterwards become converted into 



F, amoebuloe. 



G, amoebulse uniting to form a plasmodium (After Haeckel.) 



