1(')4 PEROTIS. 



L. CHRYSOPTHALMOS, Tilesius. PL G9, fig. 2f>(i. 



Body elongate, narrow, with a large, oval, dorsal, black spot. 

 Scarcely an inch in length. Tentacles not observed. The dor- 

 sal spot may be a result of the aggregation of chromatophores 



in a state of irritation. 



Japan. 

 L. ZYG^NA, Yerany. PL 69, fig. 257. 



Bocty gelatinous, transparent, subcylindrical, tapering ; fins 

 half oblong, together nearly square, narrower in front, broader 

 and sinuous behind ; sessile arms, order of length 1, 2, 4, 3, 

 dorsal pair webbed at base, rest free ; tentacular arms with small 

 cups scattered throughout their length. Shell not described. 



, Sicily. 



A single specimen only known: its small size and pedunculated 

 eyes indicate a very young animal. Its generic position is 

 uncertain. 



L. VERMICOLARIS, Riippell. PL 69, figs. 258, 259. 



Body very long, slender, gelatinous, transparent ; neck long ; 

 fins together subcordate, with a lengthened posterior point ; 

 sessile arms with very small distant cups in alternate series, the 

 ventral arms more than double the length of the others ; tenta- 

 cles very long, with long, narrow clubs, crowded with micros- 

 copic suckers. Shell very slender. 



Sicily. 



Three specimens only of this very curious form have been 

 found ; like the preceding, its generic position is very doubtful. 



L. PERONII, Lam. 



Body fleshy, oblong; the mantle sub-acute at the base, and 

 inferiorly finned ; mouth surrounded by eight sessile and equal 

 arms. 



South Seas. 



\ doubtful species ; not figured. 



Submenus Perotis, Esch, 



Sides with rows of acute tubercles; shell with solid rip. 

 L. Qi TTATA. (irjint. PL 70. figs. :J.V.)-2r4. 



Body elono-itc, rather fusiform, attenuated behind; whitish, 

 spoiU'd with red. with a few black, round spots; with a dorsal 



