—- 11 — 
regulariter conica, tum sat ventricosa, basi attenuata. 
Anfr. 7!/s sat convexi, sutura profunde impressa disjuncti, 
ultimus decrescens, antice sat ascendens, circa perforationem 
compressus, suberistatus. Apertura verticalis, oblique sub- 
auriformis; peristoma continuum, superne solutum, late 
expansum, reflexiusculum, valde labiatum. Lamella parie- 
talis validissima, eum callo noduliformi marginis externi 
sinulum subeireularem recedentem fere claudens; dens 
columellaris modieus a margine remotus, palatali unico 
opposito. 
Diam. 1,8, alt. 3,8 mm. 
Hab. in insula Bah-mun. 
2. Cryptosoma imperator Gld. dbrunneus n. subsp. 
Differt a typo ex insula Hongkong anfractu ultimo 
minus descendente, colore rufo-brunneo. 
Hab. in insula Bah-mun. 
3. Macrochlamys euspira n. Sp. 
T. anguste perforata conoideo-depressa, solidula, 
pellucida, fere laevigata, nitens, luteo-cornea. Spira pro 
genere sat elevata lateribus strietis. Anfr. 6 convexiusculi, 
sutura distinete marginata disjuneti, ultimus lateraliter 
subeompressus, basi distinctius striatus. Apertura modice 
obliqua, late elliptica, valde excisa; peristoma rectum, 
acutum, margo columellaris leviter calloso-incrassatus, 
superne triangulariter reflexus. 
Diam. 10,1, alt. 5,6 mm. 
Hab. in insula Bah-mun. 
4. Otesia (Coneuplecta) ochthogyra n. Sp. 
T. rimata, turbinata, tenuis, pellueida, subtiliter 
striatula, nitens, pallide lutescens. Spira valde elevata 
lateribus convexiusculis. Anfr. 8 sat convexi, sutura sub- 
marginata disjuncti, ultimus obtuse angulatus, basi lineis 
