22 ME. E. S. GOODEICH ON A COLLECTION OF 



EXPLANATION OF THE PLATES. 



Plate 1. 



Inioteuthis maculosa, n. sp. 



Fig. 1. View of lower surface, nat. size. 



2. Enlarged view of the horny ring of a tentacular sucker. 



3. Enlarged side view of a tentacular sucker. 



Sepia singalensis, n. sp. 



Fig. 4. Outline of the mantle and fins, and figure of the pen (inner surface), nat. size. 



5. Enlarged view of a spermatophore. 



6. Upper {b) and lower (a) mandibles, nat. size. 



7. Enlarged view of a portion of the horny ring of a small tentacular sucker. 



8. Horny ring of a small sucker of an arm. 



Sepioteuthis indica, n. sp. 



Fig. 9. Outline of the mantle and fins, reduced. 



10. Figure of the pen of another specimen, reduced. 



IL Enlarged view of a portion of the horny ring of an apical sucker of the tentacular club. 



12. Enlarged view of the apex of the tentacular club. 



13. Side view of the head, showing the olfactory fold, nat. size. 



14. Upper (6) and lower (a) mandibles, nat. size. 



15. Horny ring of a sucker of the buccal membrane, enlarged. 



16. Portion of the left 4th arm of a male, enlarged. 



17. Edge of the horny ring of a sucker of the 3rd arm, enlarged. 



18. Large tentacular sucker, x 4 diam. 



19. Portion of the edge of the horny ring of tentacular sucker, enlarged. 



Plate 2. 



Loligo indica, Pfeffer. 



Fig. 20. Edge of the horny ring of an arm-sucker of a male, enlarged. 



21. Horny ring of a sucker of the buccal membrane, enlarged. 



22. Lower view of the left 4th arm of a male, showing the hectocotylization, nat. size. 



23. Portion of the hectocotylized region of the same, inner view enlarged. 



24. Horny ring of a small tentacular sucker, enlarged. 



25. Enlarged view of a portion of the horny ring of an apical sucker of the tentacular club. 



26. Horny edge of an arm-sucker of a female, enlarged. 



27. Enlarged view of a portion of a large tentacular sucker of the same. 



28. Enlarged view of a spermatophore. 



