PLATE XXIX. 



PAGE 



Figs. 1-7. Bathyteuthis abyssicola, u. gen., n. sp., . . 168 



Fig. 1. Dorsal view of the specimen ; natural size. 



Fig. 2. View of the ventral aspect of the siphon, to show the mantle-connective ; 

 somewhat enlarged. 



Fig. 3. Anterior aspect of the arms and circumoral region ; magnified 3 



diameters. 



Fig. 4. A sucker from one of the sessile arms ; magnified 200 diameters. 



Fig. 5. The extremity of the left tentacle ; magnified 10 diameters. 



Fig. 6. A tentacular sucker ; magnified 200 diameters. 



Fig. 7. The gladius ; natural size. The dotted line indicates the presumed out- 

 line of the damaged posterior extremity. 



Figs. 8-10. Mastigoteuthis agassizii, Verrill, . .170 



Fig. 8. Front view of a tentacular sucker ; magnified 60 diameters. 



Fig. 9. Side view of a similar sucker ; magnified 30 diameters. 



Fig. 10. Part of a front view of a similar sucker, to show the form of the horny 

 ring and the papillary area. 



Fig. 11. Enoploteuthis maegaeitifera, Riippell, . . 171 



Fig. 11. The left tentacular club ; magnified 25 diameters. 



