88 MK. A. ADAMS ON THE JAPANESE SPECIES OP LEIOSTKACA. 



suturis obsoletis ; apertuia elongato-ovata, antice dilatata, postice 



acuminata. 

 Hab. Takano-Sima. 

 A small, subulate species, with irregular fuscous reticulate markings. 



33. Leiostraca bizona, A. Ad. 



L. testa subinflato-subulata, recta, spira attenuata, semiopaca, alba, su- 

 turis late margiuatis ; aufractu ultimo amplo, subventricoso, antice 

 producto-acuminato, ad peripheriam fasciis duabus fuscis ornato ; aper- 

 tura elongata, labio subcalloso. 



Hab. Gotto, 48 fathoms. 



A banded species, with the spire attenuated and the last whorl some- 

 what ventricose. 



34. Leiostraca circumcincta, A. Ad. 



L. testa subulata, recta, vitrea, nitida, semipellucida, corneo-lutescente ; 

 anfractibus normalibus 6, convexiusculis, in medio linea rufa transversa 

 ornatis, aufractu ultimo ad peripheriam lineis duabus transversis fuscis 

 succincto ; apertura elongata, utrinque angustata ; labio subcalloso ; 

 labro in medio producto. 



Hab. Seto-Uchi (Akasi.) 



Most like L. vincta, but with the rufous line in the middle of the 

 whorls, and the lines on the last whorl parallel. 



36. Leiostraca bifasciahs, A. Ad. 



L. testa subulata, recta, fulvescente, rufo nebulosa, basi rufo tincta, fascia 

 rufa diffusa ad suturas ornata ; anfractibus normalibus 9, planis, suturis 

 marginatis, anfractu ultimo elongato, fasciis duabus fuscis ad periphe- 

 riam succincto ; apertura angusta, ovata, antice et postice acuminata ; 

 labio rufo tincto, labro in medio subproducto. 



Hab. Bingo-Nada; Suwo-Nada. 



Near L. bilineata. Ad. et Rve., but of stouter build, the base stained with 

 rufous, and the bands broad and nebulous. 



36. Leiostraca vincta, A. Ad. 



L. testa recta, subulata, nitida, semiopaca, sordide alba, linea rufa ad su- 

 turas ornata, vertice violaceo ; anfractibus normalibus 7, planatis, ulti- 

 mo ad peripheriam lineis angustis rufis, ad marginem labri approxi- 

 mantibus, ornato ; apertura acuminato-ovata, labio rufo tincto. 



Hab. Bingo-Nada ; Harima-Nada. 



The two rufous lines on the last whorl approach each other, and are 

 united at the produced middle of the outer lip. 



37. Leiostraca t^niata, A. Ad. 



L. testa subulata, recta, gracili, cornea, subdiaphana, linea rufa transversa 

 supra suturas ornata ; anfractibus normalibus 6, convexiusculis, suturis 

 impressis, anfractu ultimo elongato, lineis duabus rufis transversis 

 cincto ; apertura anguste ovata ; labio subcalloso ; labro margine flex- 

 uoso. 



