Ae Elie Verse liy A. 
Puate VI. 

Species 21. (Fig. a, 6, Mus. ?) (Copied.) 
ApLysIA MARMORATA, Apl. testd subtrigond, arcuatd, 
ventricosd, pallidé stramined ; apice acwminato, 
valdé ineurvo, subcalloso ; margine superiori, brevi, 
profundé excavato, ad terminum rotundo; labio 
externo rectiusculo, medio subcontracto ; margine 
dorsali arcuato, infra versis labium eaternum 
oblique declivi. 
THE MARBLED AptysIA. Shell subtrigonal, arched, ven- 
tricose, pale straw ; apex acuminated, strongly in- 
curved, slightly callous; upper margin short, 
deeply excavated, rounded at the end; outer lip 
rather straight, slightly contracted in the middle; 
dorsal margin arched, sloped below obliquely 
towards the outer lip. 
BraINvILLe. Journ. de Phys., 1823. 
Hab. Cape of Good Hope. 

Species 22. (Mus. Cuming in Brit.) 
APLYSIA ANGUILLA. Apl. test@ parva, tumidd, valdé 
arcuatd, transversd pallide corned ; apice rotundo, 
parvo, incurvo ; margine superiori brevissimo, pro- 
Jundé eacavato, ad terminum acuminato; labio 
eaxterno oblique producto ; margine dorsali rotundo ; 
margine inferiori obliquo, late excavato. 
THE LITTLE SNAKE APpLystA. Shell small, tumid, strongly 
arched, transverse pale horn ; apex rounded, small, 
incurved; upper margin very short, deeply exca- 
vated, acuminated at the end; outer lip obliquely 
produced; dorsal margin round; lower margin 
oblique, widely excavated. 
Cuminc. MS. in cabinet. 
Hab. 2 


Species 23. (Mus. Cuming in Brit.) 
Apiysia rosea. Api. testd parva, rotunda, ventricosa, 
testaced, intts rosed ; apice parvo, incurvo, rotundo ; 
margine superiori brevi, excavato ; labio externo 
rotundo, anticé producto ; murgine dorsali elevato, 
rotundo, infra versiis labium externum obliqué 
declivi. 
Tue rosy Aptysta. Shell small, round, ventricose, 
testaceous, rose-coloured within; apex small, in- 
curved, rounded, anteriorly produced; dorsal 


margin elevated, rounded, obliquely sloped below 
towards the outer margin. 
RavuKe. 
Aplysia parvula, Guilding. 
Hab. St. Vincent’s, West Indies. 
Species 24. 
APLYSIA CONCAVA. 
(Fig. a, b, Mus. Sowerby.) 
Apl. testa parvd, stramined, tenui, 
ventricosd, transversa, laevigata, intis alba ; apice 
parva, rotunda, validé incurvd, utrinque sub- 
auriculatd ; margine superiori concavd, brevi, ad 
terminum elevatd ; labio eaterno anticé oblique pro- 
ducto; margine dorsali reflewo, elevato, obhiqué 
versiis labium externum declivi. 
CONCAVE APLYSIA. 
thin, ventricose, transverse, smooth, white within ; 
apex small, rounded, strongly incurved, subauri- 
culated on both sides, upper side concave, short, 
dorsal margin reflected, elevated, oblique sloped 
towards the outer lip. 
Sowerby. Genera of Shells. 
Hab. Australia. 
Aplysia anguilla is more transverse, and Aplysia 
rosea more triangular than this species, although they 
nearly resemble it; the apex is auriculated, and the 
reflected lateral margins near it. 
THE Shell small, straw-coloured, 


Species 25. 
(Fig. a, 6, Mus. 
APLYSIA MACULATA. 
?) (Copied.) 
Apl. testd solidiusculd, subtrigond, 
ventricosd, ints extuusque pallidé rubro-purpurea ; 
apice clevato, acuminato, incurvo; margine 
superior subdeclivi, pauld excavato, ad terminum 
obtuse cuneato ; labio externo rectiusculo ; margine 
inferiort rotundo ; margine dorsali convexo. 
Tue sported AptysiA. Shell rather solid, subtrigonal, 
ventricose, pale red, purple within and without ; 
apex elevated, acuminated, incurved; upper margin 
a little sloped, slightly excavated, obtusely cuneate 
at the end; outer lip rather straight ; lower margin 
round; dorsal margin convex. 
Rane. Nat. Hist. Aplys., p. 58, pl. 12, f. 45. 
Hab. Western coasts of France. 
More testaceous than many of the species, and of a 
pale claret colour. 
August, 1869. 
