PLATE III. 



[Part I.— February 1882.] 



Fig. 1. MiCRocYSTiNA RiNKii, Morcb, X 8. 



1 a. : sculpture, x 50. 



columellar margin, X 20. 



part of mantle, x 8. r.d.l., right dorsal lobe ; t.d.l., left dorsal lobe. 



4. : extremity of foot, x 8. From spirit-specimen. 



5. : generative organs. P., male organ; Sp., spermatheca ; vd., vas 



deferens; D., dart-sac. 



6. : jaw, X 50. 



7. : teeth of the radula, central, median, and lateral, x 1210. 



7 a. : ditto, ditto, x 360. 



8. WARNEFORDI, n. Sp., X 7. 



8 a. : sculpture, X 50. 



9. MOERCHIANA, n. Sp., X 4. 



9 a. : sculpture, x 50. 



10. CRYPTOMPHALUS, n. Sp., X 7. 



10 «. : sculpture, X 50. 



106. : columellar margin, X 20. 



11. HARRIETENSIS, n. Sp., X 8. 



11a. : sculpture, x 50. 



