HoYi£. — Cephalopoda. 



PLATE 3. 



Figs. 1-4. Staiiroteuthis kippocrepium, sp. n. 



1. Side view of the internal cartilage ; X f . 



2. Sketch of ilorsal aspect, after removal of the integument, showing the 

 relative positions of the cartilage and the fin ; X 4. 



3. Proximal end of the fin showing the hollow for articulation with the 

 side of the cartilage ; X 2. 



4. Portion of the third arm on the right side, showing the cartilaginous 

 nodule at the attachment of the margin of the web to the ventral aspect 

 of the arm ; X f . 



Fig. 5. Froekenia clara, sp. n. 



Sketch showing the form of the cartilage and the form and attachment 

 of the fin ; magnified rather more than 2 diameters. 

 Figs. 6-11. Bolitaena microcotijla. 



6. Dorsal aspect, from a photograph ; X 2. 



7. Outline sketch of the same; the reference letters point to the tips 

 of the arms on the right and left sides respectively. 



8. Ventral aspect, from a photograph; X 2. 



9. Outline sketch of the same, showing S, siphon; .1/, mantle-opening; 

 S R, tip of the third arm on the right side. 



10. Outline sketch from the right side; 5, aperture of the siphon; E, 

 eye ; D, position of the buccal mass ; M, mantle-opening; /-/ V, the arms 

 of the right side. 



11. Ventral aspect showing the funnel and the right side of the mantle- 

 cavity laid open ; X 4. 



