368 MOLLUSCA. 
Animat with the head conical, prolonged almost into a proboscis, 
with the tentacles very stout, conical, having a large oval protube- 
rance at their base, on the summit of which are the eyes, which are 
large and deep black ; below the tentacles, on each of the inferior sides 
of the head, is a longitudinal series of coarse tubercles, extending to 
the junction of the head with the foot. There is no neck or constric- 
tion behind the head. Mouth at the extremity of the cephalic mass, 
vertical, the lips thick and rugose, forming a prominent convexity 
around it, and occupying the whole of the extremity. Body dark 
purple, with olive and blackish cloudings in large blotches, furrowed 
with intersecting ruge, coarsest towards the margin of the foot, which 
is bordered with ochreous; head and tentacles umber, clouded purple 
and ochreous. Foot regularly oval, flesh-coloured, with a tinge of 
yellow towards the edges. Mantle coloured like the foot, the edge 
ornamented with a beautiful arborescent fringe, whose border is 
clouded orange and purple. 
In crawling, the foot is extended beyond the posterior margin of the 
shell, while the head is rarely protruded farther than the base of the 
tentacles, and only the extreme of the fringe is visible surrounding the 
shell. [3. p. c.] 
Inhabits Orange Harbour. 
Figure 469, the animal, as in motion ; 469 a, the locomotive disk. 
Rimua cucuLyata (Gould). 
Testa solida, cinerea, per-inequilateralis, costis ad quadriginta acutis, 
compressis, majoribus et minoribus alternantibus radiata, et strits 
concentricis confertis muricata ; apice elevato, acuto, adunco, prorsum 
spectante: fissura lanceolata: apertura ovata ; margine sulcis inequa- 
libus alternantibus crenulato : facies interna porcellana ; fornice tenut, 
simplict, arcuato. 
Rimula cucullata, Goutp; Proceed. Boston Soc. Nat. Hist., 11. 159. 
August 1846. Expedition Shells, 14. 
SHELL rather solid, ovate at the base, and rising to form an elevated, 
