392 THE LAND MOLLUSCAN FAUNA UF BRITISH NEW GUINEA. 



EXPLANATION OF PLATES. 

 Plate xxiv. 



Figs. 1 and 3. — Peripheral and basal aspects of the shell of Sitala 

 anthropoiihaijorum, Hedley ; (type) much enlarged. 



Fig. 2. — Sketch i-f scul|jture of CydohL-H jioiricrii, Caiiefri. 



Fig. 4. — Imperfect operculum of the same ; much enlarged. 



Fig. 6. — Otopoma riiar(p-efj07'iie, Hedley; (type) much enlarged. 



Fig. 7. — Exterior aspect of operculum of the same ; much enlarged. 



Fig. 6. — (ienitalia of Hhy.sota Jlt/eiisis, Hedley. 



Figs. 8 and 9. — Basal and peripheral aspects of type shell of Paput' a 

 secans, Hedley ; natural size. 



Plate xxv. 



Fig. 10. — Central and marginal teeth from theradidaof P. chnj/mani. Cox. 

 Fig. 11. — Jaw of the same. 



Fig. 12.- Central and marginal teeth from the radulaof C. vhsc. Martens. 

 Fig. 1.3. — Jaw of the same. 



Fig. 14. — Central and marginal teeth from the radula of P. zeno, Brazier. 

 Fig. J5. — Jaw of same. 

 Fig. 16.— Jaw of li. flyensia, Hedley. 



Fig. 17 — Central and marginal teeth from the radula of the same. 

 Fig. 18. — Central and marginal teeth from tlic radula of P.Ou'fjnsti, Cox. 

 Fig. 19. — law of the same. 



Fig. 20. - Teetli from tlie radula of O. maajnt/orid', Hedley. 

 Fig. 21 . — Central and lateral teeth from the radula of S. anthropo/ihaf/oriim, 

 Hedley. 



Figs 10 to 21 variously magnified. 



Plate xxvi. 



Fig. 22. — Central and lateral teeth from the radula of B. madeayi, Brazier. 



Fig. 23. — Jaw of the same. 



Fig. 24. — C4enitalia of (S'. anthropophaijorvm. 



Fig. 25. — Genitalia of C. rehsei. 



Fig. 26. — Genitalia of P. (jnrgusti. 



Fig. 27. — Genitalia of P. zeno. 



Fig. 28. — Centi'al and marginal teeth from the radula of T. viijians. 



Fig. 29. — Genitalia of P. chapmani. 



