No. 2369. NEW MOLLUSKS FROM CUBA— TORRE AND HENDER SON. 267 



Plate 42. 



Fig. 1. Opisthosiphon (Opisthosiphon) detectum, new species, type. 



2. Oinsthosiphon (Opisthosiphon) obtectum, new species, type. 



3. Opisthosiphon (Opisthosiphon) obtectum, new species. 



4. Opisthosiphon (Opisthosiphon) obtectum tenuicostum, new subspecies, type. 



5. Opisthosiphon (Opisthosiphon) obtectum tenuicostum, new subspecies. 



6. Opisthosiphon (Opisthosiphon) lamellicostatum, new species, type. 



7. Opisthosiphon (Opisthosiphon) lamellicostatum, new species. 



8. Eutudora (Eutudorops) paradoxum, new species, type. 



9. Eutudora (Eutudorops) paradoxum, new species. 



