604 
DR. L. PFEIFFER ON NEW LAND SHELLS. __[Noy. 22, 
peripherica obsoleta ornata; spira regulariter conoidea, apice 
obtusula; anfr. fere 6, viv convexiusculi, sensim accrescentes, 
ultimus subangulatus, non descendens, subtus convexior ; aper- 
tura fere diagonalis, subungulato-lunaris, intus submargari- 
tacea; perist. simplex, rectum, marginibus vix conniventibus, 
columellari juxta perforationem breviter fornicato-reflexo. 
Diam. maj. 37, min. 32, alt. 23 mill. 
Hab. in insula Timor. 
2. Hexrx zone, Pfr. (1106a). TT. subunguste umbilicata, 
depressa, solidula, conferte ruguloso-striata, pallide fuscula, 
zona mediana albida (sepe rufo marginata) cincta; spira con- 
vera, parum elata; anfr. 53, convexiusculi, ultimus rotundatus, 
antice vix descendens; apertura obliqua, lunato-rotundata, 
intus margaritacea ; perist. simplex, marginibus convergentibus, 
supero recto, basali breviter reflexo, ad insertionem dilatato. 
Diam. maj. 15, min. 13, alt. 8 mill. 
Hab. in White Mouutains, 6500’, insulee Crete (Capt. Spratt). 
3 
. CLAUSILIA GLABELLA, Pfr. (82a). T. arcuato-rimata, fusi- 
formis, gracilis, interdum ventrosior, solida, sublevigata, irre- 
gulariter striatula, nitidula, alba, locis detritis cornea; spira 
elongata, apice luteo-cornea, acuta; anfr. 13-14, vix conveai- 
usculi, ultimus subsolutus, antice rugoso-costatus, basi obtuse 
bicristatus ; apertura parum obliqua, piriformis, intus carnea ; 
lamella supera minuta, infera subverticaliter ascendens ; lunella 
et plica columellaris inconspicue ; plica palatalis 1, supera, 
mediocris ; perist. continuum, subequaliter expansum et re- 
flrexiusculum. 
Long. (forme typicee) 20, diam. 4 mill. 
Hab. in White Mountains, 5000', insulee Cretee (Spratt). 
4. 
CLAUSILIA ExTENSA, Pfr. (94a). TT. subarcuato-rimata, fu- 
siformi-subulata, solida, cretacea, opaca, costulis subrectis 
confertis munita ; spira perelongata, apice acutiuscula, nigra ; 
sutura levissima, costulis subcrenulata ; anfr. 15-16, apicales 
convexi, reliqui planiusculi, ultimus breviter solutus, antice 
costis validioribus, distantioribus, hine inde confluentibus, basi 
crista brevi munitus ; apertura parum obliqua, oblonga ; lamelle 
tenues, approximate ; lunella et plica subcolumellaris incon- 
spicue ; plica palatalis unica; perist. continuum, album, un- 
dique expansum et reflexiusculum. 
Long. 28, diam. 43 mill. 
Hab. in Sitra insulee Crete (Spratt). 
i, 
CLausiILia TENUICOSTATA, Pfr. (1008). 7’. arcuato-rimata, 
fSusiformis, solidula, costis tenuibus subarcuatis sculpta, cre- 
tacea; spira a medio attenuata, apice cornea, acutiuscula ; 
anfr. 11-12, subplani, ultimus vix solutus, antice validius cos- 
tatus, basi subbicristatus; apertura vie obliqua, piriformi- 
oblonga, intus fuscula; lamella supera filaris, infera fortior, 
