ip # 
276 DR. L. PFEIFFER ON NEW LAND SHELLS. [Noyv. 25, 
cornea; sutura profunda; anfr. vix ultra 4, convexi, ultimus 
levissime capillaceo-striatus, perinflatus, ad aperturam valde 
constrictus, e strictura canalem mediocrem, in sutura retroce- 
dentem emittens ; apertura verticalis, spira brevior, circularis ; 
perist. album, continuum, breviter adnatum, anguste expansum, 
margine dextro subduplicatum. Operc. planum, multispirum, 
fulvum, nucleo rubro. 
Diam. maj. 7, min. 64, alt. 73 mill. 
Hab. Lao Mountains, Camboja (Mouhot). 
30. Hysocystis movunott, Pfr. (Pl. XXXVI. fig. 13.) T. 
subumbilicata, compresse pup@eformis, solida, striatula, saturate 
fusco-violacea ; spira irregulariter oblonga; anfr. 6, primi 4 
convexiusculi, conum subregularem formantes, penultimus multo 
longior, ultimus latere aperture complanatus, tum profunde 
descendens, foveolato-malleatus, antice arcuatim ascendens ; 
apertura obliqua (basi axin excedens), angulato-ovalis, intus 
purpurascenti-fusca ; perist. rufo-aurantiacum, incrassatum, 
duplicatum et reflecum, margine parietali subhorizontali, dextro 
ad angulum insertionis sursum producto. Operc. testaceum, 
pagina interiore castaneo callosa. 
Long. 35, diam. 17 mill. 
Hab. Lao Mountains, Camboja (Mouhot). 
31. CycLOPHORUS LAOMONTANUS, Pfr. (16 a). 7. mediocriter 
umbilicata, depresso-turbinata, solidula, subtiliter striata, nt- 
tidula, fulva, strigis fulguratis pallide rufis ornata, vel in fundo 
pallido maculis et teniis castaneis dense variegata ; spira tur- 
binata, vertice acuto, nigricante; anfr.5, convexi, ultimus teres; 
apertura parum obliqua, subcircularis, superne obsolete sub- 
angulata ; perist. continuum, breviter adnatum, ceterum equa- 
liter et anguste expansiusculum. Operc.? 
Diam. maj. 13, min. 11, alt. 9 mill. 
Hab. Lao Mountains, Camboja (Mowhot). 
This shell resembles C. caeloconus, Bens., but differs from it by 
its more elevated spire, narrower umbilicus, and slightly expanded 
peristome. 
32. CycLopHorus H&ZMATOMMA, Pfr. (1076). TT. umbilicata, 
conoideo-depressa, solida, confertissime striata et superne liris 
elevatis inequalibus crebris cincta, alabastrina ; spira parum 
elevata, sursum fulvo-sanguinea, vertice subtili; anfr. 5, modice 
convexi, ultimus subteres, subtus levigatus, crista funiformi, 
umbilicum latiusculum limitante, munitus; apertura obliqua, 
irregulariter rotundato-ovalis ; perist. simplex, rectum, mar- 
ginibus approximatis, callo brevi gunctis, sinistro levius curvato, 
ad cristam umbilicalem sinuato. 
Diam. maj. 23, min. 19, alt. 12 mill. 
Hab. Ecuador. 
