Mr. i.oLHio. 



L. JMLCIIKA, Blainv. PI. ;>4, iigs. Hif)-Hi7. 



Tills species attains 1 lie length of :> indies Mini is sin 

 l" be adult :it that si/c. Tin- very small si/c of its iins consti- 

 tutes its principal character. 



. MnuU, f il' Loire,, etc. 



L. A LKSSAMHUMI. Verauy. !*!. .")T. tiir. Iso. 



I >>ily oblong, cylindrical, rounded behind; fins about two-fifths 



the length of the body, posterior, rounded; clubs of tentacles 

 with lai'LiV external suckers :md very sinnll middle ones. Shell 

 not observed. Length, about 3 inches. 



Dillers from L. /mlrhra by its rounded tins. 



Metsina. 



L. MKMJ.IIIMI. \'erany. I'l. ">7. iig. Isl. 



T>ody obloni>-. acuminated behind ; fins posterior, rounded. 

 scarcely halt' the length of the body; tentacles lon - . clubs but 

 little developed, with two rows of very small suckers. Shell not 

 observed. Length, about 8 inches. 



Dillers from L. />///</< re by its body acuminated behind and 

 rounded lins ; from L. Ai< J **<ni<lri)iii by the former character. 



Metsina. 

 L. AFKI.MS. La font. IM. .");"). DO-. II;D. 



The male only, of this species is known. 'Flic narrow, cylin- 

 drical body, unequal cups of the tentacular clubs and obtusely 

 rhomboidal. lar^e tins form its principal characters. (\ to s inches. 



L. MIOEOCEPHALA, Lafont. I'l. 55, liir. 170. 



Head very >ui:i!l. -carcely more than half the diameter of the 

 body, eyes moderate, lins IOIIM-. obtusely rhomboidal : clubs with 

 live pairs of l.-iriv cups and numerous smalh-r ones. 



Attains a len^lh of -2 feet. 



Ill I/ of /.' 



L. m;i.\ [{ .-nstnip. IM. .").".. fiir. l'.s. 



|)ilfers from /,. rnlifurif by il- slioiler :iruis and smaller head. 

 it i- the northern form of that specie-. Leiiulh of body. 1 fool : 

 of tentacles, r, inches. The dentition is (he s.-une in both species. 



This appears to me to be vcrv like I,, microcephala. 



