696 THE LAND MOLLUSCAN FAUNA OF BRITISH NEW GUINEA, 



Explanation of Plates (continued). 



Fig. 6. —Jaw of G. maegregori. Magnified. 



Fig. 7. — Jaw of M. sap2)ho. Magnified. 



Fig. 8. — Two rows of seven teeth from the centre, and of the forty-second 



to the forty-fifth from the margin, of the radula of G. brume- 



riemis. Much magnified. 



Fig. 9. — Jaw of H. musgravei. Magnified. 

 Fig. 10. — Jaw of G. rollsiamis. Magnified. 



Plate xxxix. 



Fig. 11.— Two rows of eleven teeth from the centre, and of the twenty - 

 second to the twenty-sixth from the margin, of the radula of 

 jV. hunsteini. Much magnified. 



Fig. 12. — Two rows of eleven teeth from the centre, and of the twenty - 

 seventh to the thirty-first from the margin, of the radula of 

 C. maegregori. Much magnified. 



Fig. 13. —Two rows of thirteen teeth from the centre, and of the twenty- 

 second to the twenty-sixth from the margin, of the radula of 

 G. leei. Much magnified. 



Fig. 14. — Two rows of eleven teeth from the centre, and of the twenty 

 third to the twenty-sixth from the margin, of the radula of G. 

 trobriandensis. Much magnified. 



Fig. 15. — Jaw of G. leei. Magnified. 



Fig. 16. — Jaw of H. broadbenti. Magnified. 



Fig. 17. — Jaw of G. chloritoides. Magnified. 



Fig. 18. — Two rows of eleven teeth from the centre, and of the eighteenth 

 to the twenty-first from the margin, of the radula of G. boyeri. 

 Much magnified. 



Plate xl. 



Fig. 19. — Genital system of G. louisiadensis. 



Fig. 20. — Jaw of N. divim, var. inclinata. Magnified. 



Fig. 21 . — Genital system of G. brumeriensis. 



Fig. 22. — Two rows of fifteen teeth from the centre, and of the twenty- 

 second to the twenty-sixth from the margin, of the radula of 

 G. chloritoides. Much magnified. 



