I'.U SEPTA. 



arms long, slender, nnei^ual. order of length 4. 2. 1.3; tentacles 



long, slender, the enps in five rows, central row largest with 



oblique rings toothed all around. Purplisli. with oblong pale 



spots on the sides. Shell elongate, very narrow, tinely wrinkled 



aboA'e. acuminated in front, iind with a long, ncute beak, and 



Avings on the side behind. Totid length. 1 foot. 



Teneriffe. 



S. PLAN(ioN. dray. 



Body oblong; fins narrow. [)ak^ ; l)ack of mantle much pro- 

 duced in front ; arms ratlier thick, with the cu^js small and dis- 

 tant ; tentacles slightly clavate, with a few very small, sub-equal 

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

 acute, recurved ; cavity concave l»ehind, with a strong, shelly, 

 diverging ridge on each side and a wide central groove. 



AnMralia. 



Xot figured, (.ray adds that the shell is most like that of 

 (S. Orhlgnyana. but has not the ridges on the inucr \)\\yX. 



* * * Tentacular armn with unefjual-shed cups in ten xerieit. 



S. Savionii, Blainv. Tl. !H). fig. 414; pi. 91, fig. 41;!. 



Body ovate, oblong ; l)ack with triangular beai-ds. forming a 

 series on the sides, smooth below; tins broad ; arms thick, very 

 miequal, order of length 4, 3. 2. 1, the rings of the cups toothed ; 

 two middle lines of suckers of the tentacles larger, with toothed 

 rings. Shell ovate, oblong, rounded at each end, concentrically 

 wrinkled, nearly flat al)ove ; strongly gibbons and elevated in 

 the mjddle beneath, with a lioi-der all around. Length. 9 inches. 



Red Sea. 

 S. APAMA, (hay. 



xUiimal unknown. Shell olilong. elongate; posterior part 

 much pi'oduced, sub-acute, with a strong callosity at the i)OSterior 

 edge of the cavity ; apex blunt, rugose ; anterior extremity 

 rounded, covered with a strong cartilaginous side ; central i)or- 

 tion rather convex. 



Australia. 



Not figured. Shell said to resenil)le that of S. Savignii., but 

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

 and the inner side of the (jentral part is not convex. 



