434 *1. E. T errill — North American Cephalopoda. 
SEPIOLIDEA Terri]]. 
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^E. (See pp. 347. 416). 
Stoloteuth-is Terrill. (See pp. 347. 417). 
17. Stoloteuthis leucoptera Terrill, (pp. 347, 418). 
Inioteuthis Japonica (D'Orb.. sp.?) TerrilL (p. 417). 
Inioteuthis ilorsei Terrill, sp. nor. p. 417). 
Rossia Owen. (See p. 349). 
18. Rossia megaptera T. (p. 349). 
19. Rossia Hyatti T. (p.351). 
20. Rossia sublevis T. pp. 354. 419). 
Heterotenthis Gray. (See p. 357). 
21. Heteroteuthis tenera t. (pp. 357. 419). 
OCTOPODA Leach. See p. 360). 
Family PHILOXEXID^E D’Orb. (See p. 361). 
Parasira Steenst. (See p. 361). 
Tidensk. raeddel. naturh. Forening, Kjdbenhavn. 1860, p. 333. 
22. Parasira catenulata 'teenst. p.362). 
Family APtG"ONAUTIDJE Cantr. (See p. 364). 
Argonauta Linne. 
23. Argonauta argo Linne. (pp. 364, 420). 
Family ALLOPOSIDiE TerrilL (See p.365). 
Alloposus TerrilL (See p. 365). 
24. Alloposus mollis Terrill, (pp. 366. 420). 
