— 312 — 
superiores spiram breviter conoideam efficientes, ulti- 
mus (devians. Apertura sat obliqua semielliptica, 
paries aperturalis plica unica intrante valida com- 
pressa munitus, peristoma sat reflexum incrassatum, 
solum ad insertionem marginis externi attenuatum, 
margine interno arcuato. 
Diam. maj. 81),—9, min. 51, —6, alt. 6Y/, —7 mm., apert. 
4 mm longa, 31], lata. 
Animal helieiforme, gracile, laete flavum, tergo 
rutilante, tentaculis rubris. 
In silva prope monasterium Tshing-yün-sy ad 
montem Ding-hu-shan provinciae sinensis Guang- 
dung. 
11. Streptaxis costulatus Mlldff. n. sp. 
Testa umbilicata, depresso-globosa, tenuis, sericina, con- 
fertim arcuato-costulata; anfr. 6'/, conmvexiuseuli, ulti- 
mus devians, infra sublaevigatus; apertura sat obliqua 
semielliptica, paries aperturalis plica unica intrante 
valida munitus, peristoma valde reflexum, expansum, 
inerassatum, solum ad insertionem marginis externi 
attenuatum, margine externo arcuato. 
Diam. maj. 7, min. 5, alt 51, —5°],, apert. long. 34], 
lat. 31/, mm. 
Anımal sulfureo-flavum, tentaculis flavis. 
In rupibus marmoreis ad urbem Shiu-heng-fu 
provinciae sinensis Guang-dung. 
