Hovue. — Cephalopoda, 
PLATE 4. 
Fig. 1. Bolitaena microcot yla. 
A portion of the radula; X 70. 
Fig. 2. Polypus pusillus. 
A young specimen, from a photograph ; natural size. 
Figs. 9, 4. Polypus oculifer. 
3. The type specimen from a photograph ; natural size. 
4. Side view of body and base of arms, to show the ocellar spot; natu- 
ral size. 
Fig. 5. Polypus pusillus. 
The extremity of the hectocotylized arm; X 4. 
Figs. 6-9. Tremoctopus scalenus, sp. n. 
6. The type specimen from a photograph ; natural size. 
7. The ventral aspect of the body to show its general shape, with the 
mantle aperture, funnel and eyes; X 2. 
8. Inner aspect of one of the arms; X about 6. 
9. Lateral aspect of one of the arms; X about 6. 
