PLATE II. 



Fig. 1. — Flagellum of Euglena. 



Figs, la and 2. — Flagella of Euglena which have been teased. 



Fig. 3. — Large cilia of Stylonychia. 



Fig. 4. — Ordinary cilia of Stylonychia. 



Fig. 5. — Section of Amoeba showing the reticulum of the trabeculae. Killed 

 in 2 per cent, osmic acid. Stained in gentian violet. 



Fig. 6. — Portion of amoeba killed in 2 per cent, osmic acid and stained in 

 gentian violet. 



Fig. 7. — Small part of a section of Actinosphaerium showing the reticulum 

 of the trabeculae. 



Fig. 8. — Trabeculae of the reticulum of the "ectosarc" of Actinosphaerium. 



Fig. 9. — Alveoli in the angles of branched fibrillae. From Actinosphae- 

 rium. 



Fig. 10. — Fibrillae of the pseudopods of Actinosphaerium branching into the 

 reticulum of the body. 



