308 Mr. A. Adams on new MoUusca from China and Japan. 



bus A\, convexis, supremis transversim obsolete striatis ; suturis 

 marginatis ; peritremate continuo ; anfractu ultimo ad aperturam 

 concentrice striate. 

 Hab, Estuary of the Pei-ho. 



2. Stenothyra gihba, A. Adams. 



S. testa ovato-subtrigonali, compressa, semiopaca, pallide lutea, au- 

 rantio tincta ; anfractibus A\, convexis, gibbosis, transversim stri- 

 atis, striis obsolete punctatis. 



Hah, H ulu- Shan, Gulf of Lian-tung; banks of rivulets. 



Genus Tomichia, Benson. 



1. Tomichia Bensoni, A. Adams. 



T. testa rimata, epidermide rufo-fusca obtecta ; spira elata, apice 

 truncato ; anfractibus 4, convexis, longitudinaliter strigosis ; aper- 

 tura ovato-elliptica ; peristomatc continuo, incrassato, extus sub- 

 varicoso. 



Hab. Matsuraai; Yesso. 



2. Tomichia japonica, A. Adams. 



T. testa rimata, epidermide olivacea obtecta ; spira elata, apice trun- 

 cato ; anfractibus 3^, convexiusculis, longitudinaliter strigosis, 

 lineis virido-fuscis trangveraia ornatis ; nporturn ovato-elliptica ; 



peristoniate continuo, duplicato, interao recto, subacute, externo 

 valde incrassato. 



Hab. Sado. 



This species differs from T. Bensoni in being smaller and 

 shorter, with the whorls less convex, and in the pcritreme being 

 double, the outer thickened and continued round the base. 



Genus Cecina, A. Adams. 



Tentacula lobiformia, plana, apicibus obtusis rotundatis. Oculi 

 magni, nigri, non prominentes, sine pupillis, ad basin externam 



, tentaculorum positi. llostrum elongatum, cylindricum, annu- 

 latum. Pes brevis, oblongus, utrinque rotundatus. 



Operculum ovatum, corneum, subspirale. 



Testa imperforata, subcylindrica, e])idcrmide olivacea obtecta ; apice 

 obtuso, eroso, non truncato ; anfractibus planis, lajvibus. Apcrtura 

 ovata, vertical], antice rotundata, postice acuminata ; peritremate 

 continue, vix incrassato ; labro flexuoso, in medio subproducto. 



Cecina manchurica, A. Adams. 



C. testa subcylindrica, imperforata, epidermide olivacea obtecta ; apice 

 obtuso, eroso ; anfractibus 4^, planis, Isevibus ; suturis obliquis ; 

 apertura ovata ; labio vix incrassato ; labro in medio subdilatato. 



Hah. Olga and Vladimir Bays, Manchuria (under damp logs 

 near the sea). 

 The nearest approach I can find to this animal is Truncatella j 



