EXPLANATION OF PLATES. 393 
SANCARA, Bergh. 
Distr.—2 sp. Mediterranean, Japan. 
Mantle smooth, not distinctly separated from the body anter- 
iorly ; no caruncula tentacularis. 
Camarca, Bergh. 
Distr.—1 sp. Realejo, Central America. 
Caruncula tentacularis low, united with the front of the mantle ; 
this latter without urticating organs. 
SupraMity PLHUROLEURINZ. 
Without gills. 
PLEUROLEURA, Bergh. 
Distr.—P. ornata, Bergh. Philippines. 
Near Pleurophyllidia, but wanting the gills; tentacular shield 
without caruncles; back broad, its lateral edge with numerous 
urticatory pores; jaws like those of Pleurophyllidia, but without 
masticatory process, and with a smooth edge. 
EXPLANATION OF PLATES; VOL. II. 
: PLATE 23. 
FIGURE. PAGE, 
. Octopus octopodia, Linn., —. : : ; ; < aete 
, 3. Beaks of Octopus, : ‘ : ; 2 5 ks 
il Sucker from the arm of Octopus, , : ee 
5. Octopus Cuvieri, d’Orb., Mediterranean, : 15 
6. Cistopus Indicus ; distal view of portions of arms, , web 
and pores. Indian Ocean, . ; : . 20 
7. Cirroteuthis Mulleri, Esch. Greenland, F > al 
8. Tremoctopus violaceus, Chiaje. Mediterranean Sea, . 22 
9. Parasira catenulata, Fer. Mediterranean Sea, : .. 22 
10. Tritaxeopus cornutus, Owen. Australia, : Rae! 
PLATE 24. 
11. Eledone Aldrovandi, Chiaje. Mediterranean Sea, eet 
12. Pinnoctopus cordiformis, d’Orb. New Zealand, . . 20 
13. Alloposus mollis, Verrill. Atl. Coast United States, . 20 
14. Calliteuthis reversa, Verrill. New England, : . 30 
15, 16. Mastigoteuthis Agassizii, Verrill. New England, . 39 
17. Plectoteuthis grandis, Owen. Portionofarm, . ‘eatin 
18. Argonauta Argo, Linn. Tropical Seas, : : > 22 
19. Argonauta nodosa, Solander. Tropical Pacific,  : ey) 
26 
