PLATE XXXIII. 



PAGE 



Figs. 1-11. Taonius HYPERBOREUS, Steenstrup, . .191 



Fig. 1. Dorsal view of the type specimen ; one-half natural size. 



Fig. 2. Front view of an enlarged sucker, from one of the lateral arms ; magnified 

 4 diameters. 



Fig. 3. Side view of the same sucker ; magnified 4 diameters. 



Fig. 4. Front view of a similar sucker : less enlarged. 



Fig. 5. Side view of the same sucker as fig. 4 ; less enlarged. 



Fig. 6. The inner aspect of the tentacular club ; natural size. 



Fig. 7. A portion of the stem ; enlarged to show the suckers and fixing- 

 cushions. 



Fig. 8. Three views of a large tentacular sucker ; somewhat magnified. 



Fig. 9. Front view of a similar sucker; magnified about 10 diameters. 



Fig. 10. A sucker and fixing-cushion from the stem of the tentacle; magnified 

 about 30 diameters. 



Fig. 11. The gladius of a smaller specimen from the " Porcupine " collection ; 



natural size. 



Figures 1, 4, 5, 6, 7, 8, were drawn by Mr. Thornam from the type specimen in the Copenhagen 

 Museum. 



Figs. 12-15. Calliteuthis eeversa, Verrill, . . 183 



Fig. 12. The right tentacular club; magnified about 5 diameters. 



Fig. 13. One of the larger tentacular suckers; magnified 40 diameters. 



Fig. 14. A portion of the horny ring and papillary area; magnified 250 

 diameters. 



Fig. 15. Dorsal and lateral views of the gladius; natural size. 



