478 Mr. A. Adams on new Molluscafrom Japan, 



been already used, which is not improbable, Cyrilla might be 

 substituted for it. 



1. Ch'ysallida plicata, A. Adams. 



C. testa ovato-oblonga, anguste rimata, alba, longitudinaliter plicata ; 

 anfractibus noimalibus 5, convexiusculis, plicis obliquis sequalibus 

 ad suturas productis et tuberculatis, interstitiis simplicibus, an- 

 fractii ultimo liiiea spiral! elevata ad peripberiam circumcincto 

 suturis acute exaratis ; apertura ovali, labro postice vix angulato ; 

 plica parietali transversa. 



Hah. Mino-Sima; 63 fathoms. 



2. Chrysallida semiplicata, A. Adams. 



C. testa ovato-oblonga, alba, rimata, longitudinaliter semiplicata ; an- 

 fractibus normalibus 4, planiusculis, ad suturas angulatis ; plicis 

 obliquis, fequalibus, in anfractu ultimo ad peripberiam subito ob- 

 soletis ; basi Isevi rotundata ; apertura oblonga, antice producta ; 

 plica parietali subcelata. 



Hah. Mino-Sima ; 63 fathoms. 



3. Chrysallida Minna, A. Adams. 



C. testa ovato-oblonga, anguste rimata, alba, longitudinaliter costata ; 

 anfractibus normalibus 5, planatis, ad suturas angulatis; costis 

 validis, rectis, in anfractu ultimo antice subobsoletis ; interstitiis 

 simplicibus ; apertura oblonga, subquadrata ; plica parietali obliqua, 

 valida ; labro rectiusculo, postice subangulato. 



Hah. Mino-Sima; 63 fathoms. 



4. Chrysallida Brenda, A. Adams. 



C. testa ovato-oblonga, anguste rimata, alba, longitudinaliter costata ; 

 anfractibus normalibus '^, planulatis ; suturis profundis ; costis 

 validis, rectis, ad suturas productis, acutis ; apertura oblonga ; 

 plica parietali obliqua, subspirali ; labro postice vix angulato. 



Hah. Mino-Sima; 63 fathoms. 



5. Chrysallida metula, A. Adams. 



C. testa gracili, tereti, pupiformi, alba, rimata, nitida, longitudinaliter 

 plicata ; anfractibus normalibus 6, planatis ; suturis impressis ; 

 plicis validis, confertis, obliquis ; apertura parva, rotuiulato-ovata ; 

 plica parietali transversa, valida. 



Hah. Mino-Sima; 63 fathoms. 



6. Chrysallida elegantula, A. Adams. 



C. testa ovato-turrita, imperforata, albida, longitudinaliter costata ; 

 anfractibus normalibus 4, planatis, ad suturas angulatis; costis 



