17<> ON Yt' HOT KIT II IS. 



0. BREVIMANI S. (Jollld. PI. T \. fig. 303. 



Bodv cylindrical, tapering behind, lins rhomboidal. one-third 

 the length of the body, head short. snbgloho-e : sessile anus 

 short and slender, lower pair longest, and upper pair shortest : 

 tentacles very short, nearly destitute of a club. 



Length, inches. 



Samoan Islands. 



I)eseribed from a drawing which is evidently very imperfect, 

 so much so, that but little reliance can be placed on it. It may 

 well lie doubted whether this and several following species are 

 specilically distinct from 0. Banksii : its identity with Mr. 

 (iabb's 0. aequimanus is very probable. 



O. ^QUIMANUS, Gabb. PI. 74. (ins. :;<)4. 305. 



Body fusiform, pointed behind ; tins rhomboidal. nearly half 

 the length of the body, outer angle pointed; head small, very 

 slightly snlxpiadrate ; sessile arms nearly equal in si/e. about 

 two-iifth> the length of the body, relative lengths '2. :J. 4. 1. the 

 ventral arms connected with the third pair by a small mem- 

 branous expansion ; ciipules small and numerous ; tentacles more 

 than twice the length of the arms, slender, the club narrow, with 

 numerous rather small claws. Shell narrow, widest near the 

 middle, rounded at upper end. very narrow below and at the point, 

 dilated into a shallow slipper-like termination. Length. (i inches. 



Society Islands. 



Described from specimens long preserved in alcohol. 



O. PU8IFOBMI8, (iabb. 



T.ody slender, fusiform, pointed behind : head small, narrower 

 than the body, sulxpiadrate ; arms not half as long ,, s the body, 

 relative lengths 1. '2. 4. :j : tentacles somewhat longer, the clubs 

 but little if at all widened; iins triangular, terminal, half the 

 length of the body. Shell loiiu. very -lender, widest in middle. 



Length. :ihont Clinches. Not figured. 



aid to have been caught ofV ( ape Horn." San Clements 7"., Gal. 



O. l.ol'.ll'KNMS. I>all. 



P>ody short, intlated. somewhat cup-shaped, rounded behind ; 

 tins rounded. ov:ite on each side, not continuous round the pos- 



