PLATE 21. 



CUBOSPJT^RIDA. 



Fig. 1. Hexastylus cochleatus, n. sp., . 



From the central capsule, enclosed in the shell, numerous delicate radial 

 pseudopodia arise, which are protruded through the pores of the shell, 



Fig. 2. Hexastylus triaxonius, n. sp., 



Fig. 3. Hexastylus phmiaxonius, n. sp., 



Fig. 4. Hexastylus thaletis, n. sp., 



Fig. 5. Hexastylus minimus, n. sp., 



Fig. 6. Hexastylus dimensivus, n. sp., 



Fig. 7. Hexastylus spiralis, n. sp., 



Fig. 8. Hexastylus dictyotus, n. sp., . 



Fig. 9. Hexastylus dictyotus, n. sp., . 



Central capsule with concentric nucleus and nucleolus ; the protoplasm is 

 radially striped. 



Fig. 10. Hexastylus marginatus, n. sp., 



Fig. 10a. Radial section through the shell- wall. 



Fig. 11. Hexastylus solo nis, n. sp., . 



Fig. 12. Hexastylus contortus, n. sp., ..... 



Diani. 

 x 400 



174 



X 



400 



175 



X 



300 



171 



X 



400 



172 



X 



400 



172 



X 



400 



175 



X 



400 



177 



X 



400 



176 



X 



400 



176 



x 400 176 



x 400 

 x 300 



173 



177 



