SIMPULOPSIS. 
Prater IT. 
Species 8. (Mus. Cuming.) 
SIMPULOPSIS SaLomonta. Simp. 
tenuissimd, fusco-olivaced, spird subacutd, anfractibus 
rotundatis, inflatis, oblique densé plicato-corrugatis ; 
apertura lunari-rotundata. 
THE SaLomon Simputorsts. Shell conically globose, very 
thin, dark olive, spire rather sharp, whorls rounded, 
inflated, obliquely densely plicately wrinkled ; aper- 
ture lunar-rounded. 
Vitrina Salomonia, Pfeiffer, Zeitschr. fiir Malak. 1853, 
p- 51. 
Simpulopsis Salomonia, Pfeiffer. 
Hab. Salomon Island. 
Of very regular conical growth, darker in colour than 
the Brazilian species. 
testé conico-globosé, 
Species 9. (Mus. Cuming.) 
SIMPULOPSIS SALLEANA. Simp. testd transverse ovatd, 
depressd, solidiusculd, flavicante-corned, spird minutd, 
laterali, anfractibus convexis, arcuatim multistriatis ; 
apertura perampliter patente. 
SALLu’s Simpuopsts. Shell transversely ovate, depressed, 
rather solid, yellowish horny, spire minute, lateral, 
whorls convex, arcuately many-striated; aperture 
very largely open. 
Preirrer, Pro. Zool. Soc. 1856, p. 319. 
Hab. Cordova, Vera Cruz, Mexico; Sallé. 
A shell of rather solid growth, with the convoluted por- 
tion very much contracted. 
Species 10. (Mus. Cuming.) 
SIMPULOPSIS CorDOovANA. Simp. testdé transverse ovaté, 
depressd, tenuissimad, membranaced, valdé pellucida, 
spird pared, laterali, subimmersd, anfractibus convexis, 
confertim subobtuse plicato-striatis ; apertura peram- 
pliter patente. 
THE Corpova SimpuLopsis. Shell transversely ovate, 
depressed, very thin, membranaceous, very trans- 
parent, spire small, lateral, somewhat immersed, 
whorls convex, closely rather obtusely plicately 
striated; aperture very largely open. 
PFEIFFER, Pro. Zool. Soc. 1856, p. 319. 
Hab. Cordova, Vera Cruz, Mexico; Sallé. 
A much lighter and more membranaceous species than 
the preceding, from the same locality, with the spire a little 
immersed. 
Species 11. (Fig. a, 6, Mus. Cuming.) 
SIMPULOPSIS CoMORENSIS. Simp. testd ovato-globosi, 
olivaced, punctis et strigis luteis variegatd, spird con- 
vexd, parum ensertd, anfractibus ventricoso-rotundatis, 
oblique rugoso-striatis ; apertura subdiagonali, lunari- 
ovali. 
Tue Comoro Simpuopsis. Shell ovately globose, olive, 
variegated with yellow dots and streaks, spire con- 
vex, but little exserted, whorls ventricosely rounded, 
obliquely rugosely striated ; aperture rather diagonal, 
lunar-oval. 
Vitrina Comorensis, Pfeiffer, Pro. Zool. Soc. 1856, p. 325. 
Hab. Island of Mahotta, Comoros; Cloué. 
Curiously like an immature specimen of the European 
Helix aperta in general aspect. 
Species 12. (Fig. a, 6, Mus. Cuming.) 
SIMPULOPSIS ATROVIRENS. Simp. testd transverse ovatd, 
Neriteformi, tenuissimd, membranaced, atro-virente, 
parum nitente, spird parva, laterali, anfractibus con- 
vevis, radiatim rugoso-plicatis ; aperturd perobliqud, 
lunari-ovata. 
THE DARK-GREEN SIMPULOPsIS. Shell transversely 
ovate, Nerite-shaped, very thin, membranaceous, 
dark-green, but little shining, spire small, lateral, 
whorls convex, radiately rugosely plicated ; aperture 
very oblique, lunar-ovate. 
Succinea atrovirens, Moricand, Mém. Soc. Phys. Geneve, 
vol. vil. p. 416. pl. 2. f. 1. 
Simpulopsis atrovirens, Beck. 
Vitrina atrovirens, Pfeiffer. 
Hab. Bahia, Brazil. 
A dull dark-green Nerite-shaped shell, extremely thin 
and membranaceous. 
Species 13. (Fig. a, 6, Mus. Cuming.) 
SIMPULOPSIS SULCULOSA. Simp. testd conico-globosd, 
May, 1862. 
