EXPLANATION OF PLATE XLV. 



Dihangia kohoensis, n, sp. 



Fig. I. — Animal as seen from the right side, X i-2. 

 2. — Do. left side, X 12. 



3. — Do. above, X i'2. 



,, 4. — Do. dorsal view showing mucous gland, X 17. 

 ,, 5. — Do. anterior view of the head, X it. 

 Figs. 6, 6a. — The shell, upper and under sides, X 4*5. 



Girasia gladstonei, n. sp. 



Fig. 7. — Animal as seen from the right side, nat. size. 



,, 8.— Do. left side, X 1-4. 



,, 9. — Do. above, nat. size. 



,, 10. — Do. front view of head, X 2. 



,, II. — Do. the mantle, seen from above, showing the areas 

 of the shell and dorsal lobes, X 2. 



Cryptaustenia bicolor, n. sp. 



Fig. 12. — Animal viewed from the right side, X 3*8. 

 ,, 13.— Do. left side, X 3-8. 



,, 14. — The shell seen from above, X 2. 



