240 EXPLANATION OP PLATES, VOL. Xllf. 



FIGURE PAGE 



7, 8, 9. Placostylus salomonis Pfr. Shepperd, del., . . 69 



10. Placostylus fuligineus var. After Kobelt. . . . 7 1 



PLATE 7 (Placostylus}. 



11, 12. Placostylus heterostylus Piis. Shepperd, del., . . 72 



13. Placostylus bavayi C. & M. J. de C. 1868, . .31 



14. Placostylus bavayi C. & M. After Kobelt, ... 31 



15. Placostylus bavayi dupuyi Kobelt. After Kobelt, . . 31 



16. Placostylus bavayi dupuyi (bavayi, vai\). J. de C. 1868, 31 



17. Placostylus curtus Crosse. J. de C. 1894, . . .33 



PLATE 8 (Placostylus). 



18. 19. Placostylus alienus Pilsbry. Shepperd, del., . . 72 



20. Placostylus bondeensis C. & S. After Kobelt, . . .32 



21. Placostylus bondeensis C. & S, J. de C. 1869, . . 32 



22. Placostylus bondeensis edentulus C. & S. J. de C. 1869, . 32 



23. Placostylus curtus Cr. (layardi Kob.). After Kobelt, . 33 



24. Placostylus curtus Cr. (layardi Kob.). J. de C. 1894, . 33 



PLATE 9 (Placostylus). 



25. 26. Placostylus ouveanus Dotz. J. de C. 1869, . . 47 



27. Placostylus corpulentus Kob. After Kobelt, . . .37 



28. Placostylus senilis subsenilis Gass. Faun. N.-Caled., . 53 



PLATE 10 (Placostylns). 



27. Placostylus guestieri Gass. Shepperd, del., . . .51 



28, 29. Placostylus pseudocaledonicus incertus Kob. After 



Kobelt, 63 



30. Placostylus senilis Gass. Faun. N.-Caled., . . . 53 



PLATE 11. 



1. Placostylus bivaricosus cuniculinsulae Cox. Shepperd, del., 26 



2. Placostylus fuligineus Pfr. Conchyl. Cab., 48, 5, . .70 



3. 4. Placostylus fuligineus Pfr. Shepperd, del., . . .70 

 5-8. Placostylus shongii Less. Shepperd, del., . . .22 

 9. Placostylus remotus Hedley. After Hedley, . . .76 



PLATE 12 (Lord Howe Island.) 



1. Placostylus bivaricosus Pfr. Pilsbry, del., . . .25 



2. Placostylus bivaricosus Pfr. After Etheridge, . . .25 



3. Placostylus bivaricosus Pfr. P. Z. S., 1854, . . .25 



4. Placostylus bivaricosus Pfr. After Gassies, . . .25 



5. Placostylus bivaricosus cuniculinsula3 Cox. P. Z. S., 1872, 26 



