440 REPORT OF COMMISSIONER OF FISH AND FISHERIES. [230] 



Figure 3a. — The same specimen. One of the suckers corresponding to c of figure 1, 

 front view ; much enlarged. 



Figure 3b. — The same specimen. A small sucker, corresponding to d of figure 1. 



Figures 3c, 3d. — The same specimen. Front and side views of one of the claws, with 

 its enclosed horny hook or ' nail ', from the middle of a lateral arm ; enlarged 8 diam- 

 eters. 



Figure 3e. — The same specimen. Connective cartilage from base of siphon, front 

 view ; enlarged 2 diameters. 



Figure 3/. — The same specimen. Beak and pharynx, side view ; enlarged 2 diameters. 



Figure 4. — The same specimen. Teeth of the odontophore ; enlarged 22 diameters. 



Figure 5. — Enoploieuthis Martingii Verrill. Two hooks, a, b, from the arms, side views ; 

 c, d, median and lateral teeth of the odontophore. After Harting. 



Figure 6. — Onyclwteuthis Banksii. One of the large hooks from the middle of the club ; 

 a, side view ; a', front view ; b, V, corresponding views of one of the smaller hooks 

 of the club ; c, side view; c', front view of horny ring from one of the small suck- 

 ers in the proximal cluster of connective suckers and tubercles of the club ; enlarged 

 6 diameters. 



Plate XVI. 



Figure 1. — Sthenoteuthis mcgaptcra Verrill. Type specimen. Body seen from beneath; 

 J natural size ; from the alcoholic specimen. 



Figure 2. — The same specimen. Part of the membrane liuing the palate; enlarged 8 

 diameters; a and b are from different places. 



Figure 3. — The same specimen. A single row of teeth from the odontophore; enlarged 

 8 diameters. 



Figure 4. — The same specimen. Teeth from the odontophore; enlarged 16 diameters; 

 a, two median teeth; b, inner lateral teeth; c and d, teeth of the two outer lateral 

 rows. Drawn from the detached teeth. 



Figure 5. — The same specimen. Two of the outer lateral teeth, profile view ; enlarged 

 16 diameters. 



Figure 6. — The same specimen. Several lateral teeth in their natural sequence; 

 enlarged 16 diameters. 



Figure 7. — The same specimen. Two teeth from the next to the outer row; enlarged 

 16 diameters. 



Figures 8 and 8a. — The same specimen. Twenty -second sucker of a ventral arm; 

 front and side views, enlarged 2 diameters. 



Figure 9. — The same specimen. One of the largest suckers from the club of the ten- 

 tacular arm ; front view ; enlarged 2 diameters. 



Figure 10. Sthenoteuthis megaptera V. from George's Bank. Large sucker from the ten- 

 tacular club, front view ; enlarged 2 diameters. 



Figures 8, 8a, and 9 are by J. H. Emerton; the others are by the author; 2 to 7 are 

 camera-drawings. 



Plate XVII. 



Figure 1. — Sthenoteuthis megaptera Verrill, from George's Bank. Beak and inner buccal 

 membrane, front view ; natural size. 



Figure 2. — The same. Another specimen. Side view of jaws and odontophore; nat- 

 ural size. 



Figure 3. — Sthenoteuthis ptcropus Verrill, from Bermuda. Jaws; a, upper; b, lower 

 mandible; natural size. 



Figure 4. — The same specimen. Isolated teeth from odontophore ; enlarged 25 diame- 

 ters; a, median teeth, front view ; b, inner lateral ; c, middle lateral; d, outer lateral 

 tooth. 



Figure 5. — The same specimen. Anterior end of the pen ; natural size. 



Figure 5a. — Posterior end of the same pen. 





