434 A. E. Verrill— North American Cephalopods. 



SEPIOLIDEA Verrill. 

 In this group the eye-lids are either entirely free all around, or the 

 upper one may be attached to the eye-ball. Pupil either round or 

 crescent-shaped. Body short, obtuse. Fins lateral, separated. Pen 

 small or rudimentary, sometimes absent. Sucker-rings smooth. Dor- 

 sal arms of the male are usually hectocotylized, one or both. 



Family SEPIOLID^. (See pp. 347, 4i6). 



Stoloteuthis Ven-m. (See pp. 3-47, 417). 



17. Stoloteuthis leucoptera Ven-iii. (pp. 347, 4i8). 



Inioteuthis Japonica (D'Orb., sp. ?) Yerrill. (p. 417). 

 Inioteuthis Morsei Verrill, sp. nov. (p. 417). 



Rossia Owen. (See p. 349). 



18. Rossia megaptera v. (p. 349). 



19. Rossia Hyatti v. (p. 351). 



20. Rossia sublevis V. (pp. 354, 4i9). 



Heteroteuthis Gray. (See p. 357). 



21. Heteroteuthis tenera v. (pp. 357, 419). 



OCTOPODA Leach. (See p. 360). 



Family PHILONEXID^ D'Orb. (See p. sei). 



Parasira Steenst. (Seep. 361). 

 Vidensk. meddel. naturh. Foreuirig, Kjobenhavn, 1860, p. 33 3. 



22. Parasira catenulata steenst. (p. 362). 



Family ARGON AUTID^ Cantr. (See p. 364). 



Argonauta Liun^. 



23. Argonauta argO Linne. (pp. 364, 420). 



Family ALLOPOSID^ Verrill. (See p. 365). 



AllopoSUS Verrill. (See p. 365). 



24. AllopOSUS mollis Verrill. (pp. 366, 420). 



