14* I. <U. Kin. 



L. REYNAIPII, Per. and Orb. PI. :>7. fig. ls-2. 



Body cylindrical, acuminate behind ; tins more than two- 

 thirds the length of tin- body, obtusely rhomboidal : sessile arms 

 short, unequal, second, third :md fourth pairs externally eari- 

 nated. cups with MtMitc teelh on higher side, diminishing in size to 

 the other side : tentacles lar^v. cylindrical, the suckers very un- 

 0(iual, ten or twelve middle ones very large, with smooth rinirs. 

 the smaller lateral ones oblique, with acute teeth. Shell narrow. 



Closely allied to L. ruhjdri*. 



Cape of Good Hope. 



L. TRIG ARIN ATA. Gray. 



Animal not observed. Shell lanceolate, central groove deep ; 



blade with a slight raised ridge from the apex to the front part 

 of the outer edge, near the commencement of the shoulder, pro- 

 ducing three distinct keels on the convex side of the tip; upper 

 part of stem one-fifth of the length. Length, Iti inches. 



Isle of France. 



Ditlers from all other shells of the genus by its large si/e. and 

 the oblique groove from the tip to the upper margin. Not 

 figured. 



L. A r STRAUS, Gray. 



Body oblong, subcylindrical : tins rhombie. halt' the length of 

 the bod} T ; tentacular arms with many moderate-sized cups dis- 

 posed in four rows, and with numerous smaller cups forming 

 four rows at the tip. Shell broad, lanceolate, blackish-brown ; 



upper end rather broad. Not figured. 



Australia. 



* * Shell lanciform, icith narrow, ttraiffkt-margitwd winy*. 



L. I'I.KI. Hlainv. IM. 57, figs. L88, 1st. 

 Body very narrowly elongate, attenuate toward the end : tins 



rhomboidal, two-til'ths tin length of tin- body: sessile arms vi-ry 

 short, the oblique -iu-k.-rs with toothless rings; tentacles rather 

 -hoi't \villi small club-i covered with unequal cups, rings of the 

 largest ones smooth and toothless, of the smaller ones with 

 acute points, of the small side nips very oblique with long teeth 

 on the higher side. Shell elongate, very narrow, with three 

 longitudinal grooxv-. 



