i,(>i,i(ioi'sis. H)3 



shorter than in L. paiio^ bciiiii- only twice tlie length of the ses- 

 sile arms. Not li<>ure(l. 



North O reenland. 



L. PAVo, Lesueur. PI. OS, tig. 352 ; pi. Ol), lig. 253. 



Body smooth, conical, elongated, spotted with red ; tins ter- 

 minal, short, soft, narrow, outline together heart-shaped, not 

 notched in front ; sessile arms short, slender, three upper pairs 

 rounded ; cups much depressed, broad, oblique, rings smooth ex- 

 teriorly, inner edge divided into square teeth ; tentacles slender, 

 very long. Shell elongate, very thin, nearly gelatinous, attenu- 

 ated anteriorly, lanceolate posteriorly. 



Total length, including tentacles, more than 3 feet. 



Arctic Seas to Madeira. 



The figure (which is a copy of Lesueur's) represents aii indi- 

 vidual with mutilated arms. PI. 26 of the second edition of 

 Gould's " Invertebrata of Massachusetts," intended for this 

 species, probably represents Oinmaxtrephes illecebrosa Lesueur. 



L. ELLiPSOPTERA, Adams. PI. fiS, fig. 254. 



Body funnel-shaped, semipellucid ; hinder }nirt elongate, taper- 

 ing ; fins depressed, semicircular, rounded, outline together ob- 

 long ; siphuncle A^ery large ; arms very unequal, comparative 

 length 2, 3, 1, 4. Shell slender, penniform. 



Length, including sessile arms, about G inches. 



North Atlantic Ocean. 



A single specimen only discovered, which was in bad condition, 

 as the tentacles are neither figured nor described. Its distinct- 

 ness from L. cycl'U7^a is very questionable. 



L. CYCLURA, Lesueur. PL 69, fig. 225. 



Body coniform ; terminal fin orbicular ; head small, eyes 

 large, prominent; arms unequal, order of length 3, 2. 1, 4. 

 Color bluish and red, with red spots, and remote transverse 

 abbreviated lines and dorsal spots of black. 



Total length, 5^ inches. 



Indian Ocean ; Pacific Ocean, Lai. 37^ S., long. 33° E. • 



I)'Orl)igny and Gray have placed w4th this species, L. (jaltata^ 

 Grant, the bod}' of which has rows of tubercles, but Lesueur 

 describes and figures a smooth species. 



