335 



callo modico induta. Axis 4; diara. 1.5 millim. Inhabits Ousi- 

 ma. W. S. 



Though so small, its characters are well marked. A variety is 

 thinner, horn-colored, with two dark revolving threads. 



CoLUMBELLA ALTERNATA. T. minuta, clongato-ovata, nitida, 

 straminea maculis elongatis rufis interrupte vittata, ad anfractum 

 ultimum duplicatis ; anfr. 5, plicis ad 12 eminentibus obtusis et 

 striis anticalibus volventibus ornatis : apertura curta, angusta ; 

 labro incrassato intus crenato. Axis 3 ; diam. 1.5 millim. In- 

 habits Hong Kong. W. S. 



Sufficiently designated by its stripes of elongated spots arranged 

 on alternate folds. 



CoLUMBELLA viRGiNEA. T. minuta, rhomboideo-fusiformis, 

 lactea, plicis (14) et antice striis paucis munita ; anfr. 6 tabulatis 

 et linea subsuturali insculptis, ultimo f longitud. testae adoequante 

 antrorsum angustato et admodum recurvo : apertura perangusta, 

 flexuosa ; labro edentato ; columellse callo erecto. Axis 4 ; diam. 

 1 millim. Inhabits China Seas. W. S. 



This small species has the principal characters of the genus 

 Pyrene, Bolten. 



CoLUMBELLA BiciNCTA. T. parva, ovata, turrita, tenuis, levis, 

 cinerascens fulvo bicincta ; anfr. 8 convexiusculis ; sutura im- 

 pressa : apertura lunata ; labro arcuato, acuto intus denticulato ; 

 columella violacea, callo tenui, antice tuberculato. Axis 10 ; 

 diam. 4-|- millim. Inhabits Hong Kong Harbor, 10 fathoms, 

 shelly sand. W. S. 



This species and the three succeeding belong to the genus 

 Amycla, H. & A. Adams, more especially to the subgenus As- 

 tyris. 



CoLUMBELLA LiNEOLATA. T. parva, ovato-lanccolata, crassa, 

 polita, straminea fills 4 fulvis cincta (ad anfr. ult. 8) ; anfr. 8 con- 

 vexis, apicalibus plicatulis, ultimo | longitud. testae adaequante 

 antice striis cincto : apertura lunata ; labro tenui postice sinuato, 

 intus denticulato ; callo columellari copioso ; canali curto, lato. 

 Axis 10 ; diam. 4 millim. Inhabits Hong Kong. 



Very closely resembles (7. lactea, Sowb. 



