r.u -i IMA. 



arms liio. slender, unequal, order of length 4. -2. 1. :> : tentacles 

 Ion", slender, the eups in live rows. central row largest with 

 oblique rino-s toothed all around. Purplish, with oblong p :l le 

 spots on llie sides. Sliell elongate, very narrow, finely wrinkled 

 above, aeinninaled in front, and witli a lono-. acute beak, and 



wiiiti-s on the side behind. Total length. 1 toot. 



Tenerijf,. 



S. i'i,AX<;ox. (Jray. 



Body oblong ; tins narrow, pale: hack of mantle much pro- 

 duced in front : arms rather thick, with the cups small and dis- 

 tant ; leniacles slightly clavale. with a few very small, sub-equal 

 cups. Shell elongated, narrow, dilated behind ; apex elongated. 

 acute, recurved; cavity concave behind, with a strong, shelly. 

 diverriiiir ridiiv on each side and a wide central groove. 



Australia. 



Not tiii'iired. (Jray adds that the shell is most like that of 

 >'. (h'hi(/i)f/(i)w. but lias not the ridii'es on the inner part. 



* * * Tent <ir a la r //;>//..< iritli unequal-sized cups in ten w.riex. 



S. SAVIONH, Ulaiuv. PI. 1)0. tiii'. 414; pi. 1)1. fi<r. 41:>. 



|>ody ovate, oblong ; back with triangular beards, forming a 

 Aeries on the sides, smooth below; lins broad; arms thick, very 

 Unequal, order of length 4. :\. -2. 1 . t he rinses of the cups toothed ; 

 two middle lines of suckers of the tentacles larger, wit h toothed 

 rinii's. Shell oxale. oblono-. rounded at each end. concentrically 

 wrinkled, nearly Hat above: strongly iribbous and elevated in 

 the middle beiieat h. with a border all around. Length. 1) inches. 



Red Se.i. 

 S. AI'AMA. (Jray. 



Animal unknown. Shell oblon<r. elono-ate; posterior part 

 much prodnce(l. sub-acute, with a st ron^- callosity at the posterior 

 .(l^c of the cavity: apex blunt, rugose: anterior extremity 

 rounded, covered with a strong cartilaginous side; central por- 

 tion rather convex. 



Australia. 



No; lioured. Shell said to resemble that of N. ,S'//r///////. but 

 the posterior extremity is much more produced and sub-acute. 

 and the inner side of the central part is not convex. 



