PLATE XVIII. 



PAGE 



Figs. 1-6. Sepia esculenta, n. sp., . . . 129 



Fig. 1. Ventral aspect of the shell of the female ; natural size. 



Fig. 2. Dorsal aspect of the shell of the female ; natural size. 



Fig. 3. Ventral aspect of the shell of the male ; natural size. 



Fig. 4. Part of the margin of a sucker from one of the sessile arms. The upper 

 part of the drawing shows the smooth horny ring, while below it 

 is the papillary area ; highly magnified. 



Fig. 5. Sucker from one of the sessile arms ; magnified about 8 diameters. 



Fig. 6. The parts surrounding the mouth of the male, showing the bases of the 

 arms, the hectocotylisation of the left ventral one, the buccal 

 membrane, and the inner and outer lips ; natural size. 



Figs. 7-14. Sepia kobiensis, n. sp., . . .142 



Fig. 7. Dorsal view of the specimen ; natural size. 



Fig. 8. Ventral view of the specimen ; natural size. Showing the fins 

 terminating on the ventral surface some distance from the 

 extremity of the animal. 



Fig. 9. Club of the left tentacle ; magnified 7 diameters. 



Fig. 10. A sucker from one of the sessile arms ; magnified 20 diameters. 



Fig. 11. Another view of a similar sucker, in which the distal depression is not 

 marked ; magnified 20 diameters. 



Fig. 12. Lateral view of the shell; natural size. 



Fig. 13. Dorsal view of the shell ; natural size. 



Fig. 14. Ventral view of the shell ; natural size. 



