434 A. E. Verrill — North American Cephalopods. 



SEPIOLIDEA Yerrill. 

 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, 416). 



StoloteuthiS Verrill. (See pp. 347, 417). 



17. StoloteuthiS leucoptera Verrill. (pp. 347, 41 8). 



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



Inioteuthis Morsei Verrill, sp. nov. (p. 41 7). 



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, 4i9). 



OCTOPODA Leach. (See p. 360). 



Family PHILONEXID^ D'Orb. (See p. 36i). 



Parasira Steenst. (Seep. sei). 

 Vidensk. meddel. naturh. Forening, Kjobealiavn, 1860, p. 33 3. 



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



Family ARG-ONAUTID.iE Cantr. (See p. 364). 



Argonauta Linne. 



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



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



AllopOSUS Verrill. (See p. 365). 



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



