Mr. A. Adams on new Mollusca from Japan. 295 
XXXII.—On some new Species of Mollusca from Japan. 
By Artuur Apams, F.L.S. &c. 
Genus Kiernevua, A. Adams. 
Kleinella sulcata, A. Adams. 
K. testa oblonga, tenui, turbinata, profunde umbilicata; spira elata, 
conoidea, sordide alba, transversim sulcata, sulcis distantibus, inter- 
stitiis longitudinaliter concinne striatis; anfractibus 33, planis, 
superne angulatis ; anfractu ultimo ventricoso; apertura oblonga, 
antice eversa et subeffusa; labro tenui, postice angulato. 
Hab. Suwonado Sea; 7 fathoms. 
Genus Cyritia, A. Adams. 
Cyrilla decussata, A. Adams. 
C. testa oblonga, obliqua, vix ineequilaterali, alba, solida; costellis 
radiantibus et lirulis concentricis confertim decussata; cardinis 
dentibus posterioribus in laminas non desinentibus- 
Hab.: Gotto Islands ; 48 fathoms. 
Genus Mucronatta, A. Adams. 
- Mucronalia exilis, A. Adams. 
M. testa parva, subulata, graciliore, apice subito mucronato, recta, 
tenui, alba, polita, semiopaca, linea spirali angusta rufo-fusca or- 
nata; anfractu ultimo lineis duabus succincto ; apertura elongato- 
ovata. 
Hab. Simonoseki, Suwonado Sea; 7 fathoms. 
Genus Apicatia, A. Adams. 
Testa distorta, polita, imperforata, subulata; anfractibus irregulari- 
bus, supremis in mucronem dispositis. Apertura oblonga; labio 
simplici. 
This form of Hulimide bears the same relation to Eulima that 
Mucronalia does to Leiostraca. It is milk-white, without any 
coloured markings, and the whorls are distorted ; but it has the 
very peculiar mucro observed in Stylifer and Mucronalia. 
Apicalia gibba, A. Adams. 
A. testa obliqua, elevato-conoidea, alba, solida, vix opaca; anfractibus 
normalibus 4, convexis, subgibbosis, supremis angustatis in forma 
mucronis dispositis ; ; apertura obliqua, ovata ; labio subincrassato. 
Hab. Gotto Islands; 71 fathoms. 
Genus Niso, Risso. 
Niso interrupta, Sow. 
Aniinal milk-white. Tentacles flat, subulate, diverging, ob- 
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