1()4 PEROT IS. 



L. CHRYSOPTHALMOS, Tilesius, PI. 09, fig. 250. 



Bod}- 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 chroniatophores 



in a state of irritation. 



Japan. 

 L. Zyg^na, Yerany. PL 09, fig. 257. 



Body 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 09, 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 jiositiou is very doubtful. 



L. Peronii, Lam. 



Body fleshy, ol)loug ; the mantle sub-acute at the base, and 

 inferiorly finned ; mouth surrounded by eight sessile and ecpial 

 arms. 



South Seas. 



A doubtful species ; not figured. 



Subgenus Perotis, Esch, 



Sides Avith rows of acute tubercles; sliell with solid tip. 

 L. ouTTATA, Grant. PL 70, figs. 259-204. 



Body elongate, rather fusiform, attenuated behind ; whitish, 

 spotted with red. witli n few l)lack. rouud spots ; witli a dorsal 



