298 Mr. A. Adams on new Mollusca from China. 



distantibus, interstitiis Isevibus, plicis in aufractu ultimo ad peri- 

 pheriam abrupte terminantibus, basi Isevi ; apertura subquadrata ; 

 labio recto, antice subangulato et expanso. 



Hah. Ka-la-Hai, Shan-tung (in shell-sand) : Hulu-Shan Bay, 

 Gulf of Lian-tung ; 4 fathoms. 



5. Turbonilla compta, A. Adams. 

 T. testa subulato-turrita, tenuicula, pallide fusca-; anfractibus nor- 



malibus 9, convexis, longitudinaliter plicatis, plicis angustis, un- 

 , datis, confcrtis, interstitiis concinne punctatis, suturis profundis ; 



anfractu ultimo rotundato, plicis ad basin extendentibus ; apertura 



subcirculari ; labio tenui, arcuato. 



Hah. Hulu-Shan Bay ; 4 fathoms. 



6. Turbonilla hifasciata, A. Adams. 



T. testa subulato-turrita, alba, tenuicula, opaca ; anfractibus norma- 

 libus 8, convexiusculis, longitudinaliter plicatis, fasciis angustis 

 pallide rufescentibus circumcinctis, plicis obliquis, regularibus, 

 aequidistantibus, interstitiis simplicibus; anfractu ultimo rotun- 

 dato, plicis ad peripheriam desinentibus, basi laevi, convexa ; aper- 

 tura subquadrata ; labio reflexo et antice subexpanso. 



Hah. Hulu-Shan Bay ; 4 fathoms. 



Genus Odostomia, Fleming. 



1. Odostomia pumila, A. Adams. 

 O. testa ovata, tenuicula, rimata, alba, opaca ; anfractibus normali- 

 bus 4, convexiusculis, ultimo magno, ad peripheriam rotundato ; 

 apertura ovata, antice producta ; plica parietali superiore, parva, 

 transversa. 



Hah. Shan-tung (Lo-Shan-kow). 



2, Odostomia hiconica, A. Adams. 



0. testa ovata, tenuicula, rimata, alba, opaca ; spira conica ; anfrac- 

 tibus normalibus 3, planis, ultimo conico, ad basin producto, ad 

 peripheriam subangulato ; apertura ovata, antice eifusa ; plica pa- 

 rietali superiore, parva, transversa. 



Hah. Shan-tung (Lo-Shan-kow). 



3. Odostomia porcellanO', A. Adams. 

 O. testa ovato-conica, alba, semiopaca, solidula ; anfractibus norma- 

 libus 3, convexiusculis ; anfractu ultimo magno, ad peripheriam 

 rotundato ; apertura ovata, postice acuminata, antice angulata et 

 producta ; plica parietali parva, mediana, obliqua. 



Hah. Shan-tung (Lo-Shan-kow). 



