300 
2. CycLosroma MONTANUM (CycxLorvus?), Pfr. C. testa umbi- 
licata, turbinato-depressa, solida, superne confertim spiraliter 
lirata, alba, fusculo obsolete maculata et fasciata ; spira turbinata, 
acutiuscula ; anfract. 4 convexis, rapide accrescentibus, ultimo 
non descendente, subtus levigato, in umbilico mediocri, profundo, 
spiraliter striato ; apertura parum obliqua, angulato-rotundata ; 
perist. simplice, recto, breviter adnato, margine columellari re- 
flexiusculo.— Operc. a 
Diam. maj. 123, min. 10, alt. 8 mill. 
Hab. Neilgherries. 
3. CyCLosTOMA RIROSTRE (CycLotus), Pfr. C. testa umbili- 
cata, depressa, subdiscoidea, solidula, irregulariter striata, fulvo- 
lutea, fascia peripherica castanea et superne strigis latis angulatis 
ornata ; spira plana, vertice subtili, vix prominulo ; anfract. fere 
5 convexwsculis, rapide accrescentibus, ultimo terete, subtus ob- 
solete maculato, antice soluto et tubulo antrorsum curvato munito ; 
umbilico lato, anfractus omnes latiores et convexiores monstrante 
quam superne ; apertura diagonali, circulari; perist. duplice, in- 
terno brevi, recto, eterno expanso et inflexo, superne in rostrum 
apertum, anfractum ultimum tangentem, producto.— Operc. 
album, arctispirum, extus concavum. 
Diam. maj. 26, min. 19, alt. 7 mill. 
Hab. Sarawak, Borneo. 
4. CycLosroMa PTEROCYcLoIpEs (Cyctotus), Pfr. C. testa 
umbilicata, depressa, subdiscoidea, solidula, striatula et striis 
spiralibus sub lente decussata, lutea, strigis angulatis castaneis 
picta ; spira plana, vertice mucronatim prominulo ; anfract. 5 
rapide accrescentibus, parum convexis, ultimo depresso-rotundato, 
antice soluto et spiraculo antrorsum vix ascendente munito ; um- 
bilico profundo, 4 diametri superante ; apertura diagonali, cir- 
culari ; perist. duplice, interno vix porrecto, superne leviter 
emarginato, externo dilatato, rectangule patente, limbo subinflexo, 
superne subangulatim producto.— Operc. 2 
Diam. maj. 25, min. 19, alt. 7 mill. 
Hab. 
5. CycLosroMa FLoRIDUM (CycLopHoRus), Pfr. C. testa 
anguste umbilicata, globoso-turbinata, tenuiuscula, oblique levis- 
sime striatula, albida, maculis sagitteformibus fuscis, interdum in 
strigas angulosas confluentibus, conspersa; spira turbinata, acu- 
tiuscula, apice s@pe nigro-cornea; anfract. 5 convevis, ultimo 
rotundato, infra peripheriam fascia castanea, deorsum dissoluta, 
teniato; apertura obliqua, subcirculari ; perist. simplice, breviter 
expanso, marginibus callo brevi junctis, sinistro subreflero.— 
Operc. 2 
Diam. es ee min. 24, alt. 20 mill. 
Hab. 
6. CycLostoma ExaLTATuM (CycLopHorws), Pfr. C. testa 
