Mr. A. Adams on new Mollusca from China and Japan. 139 



stantibus, interstitiis concinne subtiliter punctatis ; apertura ovata ; 

 plica parietali superiore ; labio antice subexplanato ; regione um- 

 bilicali impressa, rimata. 



Hab. Korea Strait ; 46 fathoms. 



2. Leucotina punctata^ A. Adams. 



L. testa ovata, solidiuscula, imperforata ; spira producta, acuta ; 

 anfractibus planiusculis, transversim sulcatis, sulcis valde punc- 

 tatis ; apertura ovata ; labio antice subincrassato ; plica, parietali 

 superiore. 



Hab. Tabu-Sima ; 25 fathoms. 



Genus Fossar, Adanson. 

 Fossai' japonicus, A. Adams. 



F. testa ovato-conica, alba, solida, anguste umbilicata ; anfractibus 2^, 

 superne angulatis, apice parvo, acuto ; anfractu penultimo cingulis 

 tribus transversis, ultimo cingulis novem elevatis distantibus trans- 

 versis instructo, interstitiis lineis elevatis longitudinalibus omatis ; 

 apertura semiovata ; labro margine crenato ; rima umbilicali an- 

 gusta. 



Hab. Tsu-Sima; 16-26 fathoms. 



Genus Sao, H. & A. Adams. 

 Sao lagenula, A. Adams. 



S. testa cylindrico-pyramidali, antice gibbosa, regione umbilicali 

 impressa, transversim striata, striis subdistantibus, sordide alba, 

 apice perforata ; apertura lineari, antice valde dilatata ; labio brevi, 

 incrassato; labro recto, postice producto, antice rotundato et 

 arcuato. 



Hab. Gulf of Pe-chili ; 5 fathoms. 



This species belongs to a natural group of BulUdce indicated 

 by my brother and myself in our ' Genera ' under the name of 

 Sao. The species are numerous, and some are included among 

 the species of Cylichna. They belong, however, neither to that 

 genus nor to Atys, under which we have placed it, approaching 

 much nearer the Scaphander group. 



Genus Gasteropteron, Meckel. 

 Gasteropteron sinense, A. Adams. 



G. animali carneocolore, ubique carmineo punctatim et reticulatim 

 picto, corpore pallidiore, integumento subpellucido visceribus con- 

 spicuis ; pedis lobis magnis, liberis, margiuibus integris, rotun- 

 datis, superficie rubro punctata ac reticulata. 



Hab. Hulu-Shan Bay (Regent's Sword) ; 3 fathoms (mud). 



I obtained three individuals of this species in the dredge from 



