132 



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

 et linea subsuturali insculptis, ultimo § longitud. testa) adsequante 

 antrorsum angustato et admodum recurvo : apertura perangusta, 

 flexuosa ; labro edentato ; columella? 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 bicixcta. 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-f- 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-lanceolata, crassa, 

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

 vexis, apicalibus plicatulis, ultimo § longitud. testa? ada^quante 

 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 O. lactea, Sowb. 



Columbella decolor. T. parva, ovato-lanceolata, polita, 

 straminea ferrugineo interdum maculata ; anfr. 6-f- convexis, 

 apicalibus concinne plicatis, ultimo antice striato : apertura satis 

 ampla; labro tenui antice subito incurvato intus denticulato; colu- 

 mella concava denticulo acuto postice munita, ; canali curto, an- 

 gusto. Axis 9 ; diam. 4 millim. Inhabits Loo Choo. W. S. 



Columbella araneosa. T. parva, ovato-lanceolata, levi- 

 gata, fulva albido exiliter reticulata et hie illic maculata ; anfr. 8 

 convexiusculis subtabulatis, apicalibus inornatis, ultimo subangu- 

 lato antice striato : apertura angusta, postice rotundata ; labro 

 simplici, arcuato, violaceo tincto, intus denticulato ; callo columel- 

 lari copioso, everso, absque denticulo. Axis 10 ; diam. 4 millim. 

 Inhabits Kagosima Bay and China Coast. W. S. 



Generally resembles G. austrina, Gask., except in color. 



