MITRA vittata. 

 Bibbon Mitre. 



Character Ge^tericus. 



Teita inttqnaliter fusifomiis, spira producta attenuata; labia exteriore iniiis 

 edentato. Columella pUcata. 



Division Es. 



I. Apertura angusta, linearis, supri angulatay infrct suhcontrada. 

 Mitra: vulpecula, plicata, Sfc. 

 Obs. Testa plerwnque longitudinaliter plicata, cequalitcr fusiformis, 

 labia exteriore l<£vi leviter undulato, interiore ad apicem intra 

 crassato ; guta striata. 

 11. Apertwa supra acuminata, infra angusta, extrinsecus curvata. 

 Valuta mitra^abbatis. Chemnitz, Sec. 

 Obs. Testa pleruinque spira elangata, apertura ad basin angustatd^ 

 siphane superiore parvo aut nulla. 

 III. Apertura supra acuminata, extrinsecus recta,infrh rotundata, dilutata, zel 



effusa. 



Mitra pupalis, episcapalis, 4'C- 



Obs. Testa plentmque lavi ad basin obtusa, tnincata, labia exteriore 

 margine crenuto, gula liEvi. 



Gexeric Character. 



Shell unequally fusiform; spire lengthened, attenuated; outer lip simple 

 not toothed within. Columella plaited. 



Divisions. 



I. Aperture narrow, linear, ahove angulated, below a little contracted. 

 Mitra: vulpecula, plicata, S^c. 

 Obs. Shell generally longitudinally plaited, equally fusiform; 

 outer lip smooth, slightly waved; top of the inner lip much 

 thickened within; throat striated. 

 II. Aperture above pointed, below narrowed, externally curved. 

 Valuta mitra-abbatis. Chemnitz, &c. 

 Obs. Shell generally with an elongated spire, the aperture below 

 narrowed; upper syphon or channel small or wanting. 

 ri,23. 



