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Diagnoses de coquilles nouvelles de l’îite 
Maurice. 
Par A. MORELET. 
À. PUPA BREVIS. 
T. rimala, conico-ovata, solidulu, costis confertis, fleæuo- 
sis, undulata, albido-grisea, non nitens ; spira sursum ob- 
luse conica, tum cylindracea, basi attenuatla ; anfr. 6 A/2- 
7 parum convext, sutura impressa juncli, ultimus leviter 
ascendens, longitudinis dimidium paulo superans ; aper- 
tura subverticalis, ovalis, plica parietali parvula munita ; 
perist. leviter callosum, undique breviter expansum. — 
Long. 11, diam. 6 mill. 
2. Pupa CALDWELLI. 
T.subtiliter perforata, cylindracea, utrinque attenuata, 
lenuis, confertim costata, pallide cornea, nitidiuscula ; 
spira sursum ventrosior, deinde regulariter conica; anfr. 
12 planiusculi, angusti, sutura profunda juncti, ultimus 
basi compressus, horizontaliter protractus ; apertura par- 
vula, ovalis, plica acuta, triangulari, coarctata ; perist. 
subcontinuum, margine columellari breviter expanso, dex- 
tro superne calloso, introrsum prominente. — Long. 5 1/2, 
diam. 3 mil. 
9. PUPA MODIOLINUS. 
T.rimata, cylindraceo-saccata, solidula, costis fleæuosis, 
confertis, ornata, epidermide tenuri, pullide straminea, 
vestita; spira conum brevem et obtusum formans, tum 
