Mr. A. Adams on the Scalida? of the Sea of Japan. 483 



3. Cirsotrema suturale, Hinds, Sow. Mon. Scalaria, fig. 120. 

 Hah. Korea Strait ; 46 fathoms. 



Found also by Mr. Hinds at Malacca. 



4. Cirsotrema undulatum, Sow. Mon. Scalaria, fig. 136. 

 Hah. Korea Strait ; 46 fathoms. 



No locality is given by Mr. Sowerby. 



5. Cirsotrema crassilabrum, Sow. Mon. Scalaria, figs. 115, 116. 

 Hah. Mino-Sima ; 63 fathoms. 



Also from the Philippines and Central America, according to 

 Mr. Sowerby. 



6. Cirsotrema cribrarium, A. Adams. 



C. testa elongata, crassa, turrita, imperforata ; anfractibus 7, planu- 

 latis, inferne subnodosis, longitudinaliter costatis ; costis validis, 

 distantibus, undulatis, interstitiis minutissime cancellatis quasi 

 cribrariis ; apertura ovata ; labro incrassato. 



Hah. Tsu-Sima; 26 fathoms. 



Most nearly resembles C. crassilabrum, Sow. ; but the whorls 

 are punctate-cancellate, and the peritreme is not broadly mar- 

 ginate. 



7. Cirsotrema Turhonilla, A. Adams. 



C. testa elongata, turrita, crassa, imperforata ; anfractibus 7, con- 

 vexis, longitudinaliter costatis ; costis crassis, undulatis, promi- 

 nentibus, interstitiis crebre striatis, striis transversis, elevatiusculis ; 

 apertura late ovata ; labro margine incrassato, antice vix pro- 

 ducto. 



Hah. Mino-Sima; 63 fathoms. 



A thick-ribbed turreted species, most like C. crassicostatum, 

 Gray, the locality of which is not given by Mr. Sowerby. 



4. Genus Constantia, A. Adams. 



Shell thin, ovate or turbinate, imperforate ; whorls decussate 

 or cancellate. Aperture oblong ; peritreme simple, acute. 



1. Constantia elegans, A. Adams, Ann. Nat. Hist. 1860, vol. v. 

 Hab. Mino-Sima; 63 fathoms. 



2. Constantia Tantilla, A. Adams. 



C. testa parva, tenui, semipellucida, imperforata, albida ; anfracti- 

 bus A\, convexis, plicis tenuibus longitudinalibus distantibus et liris 



31* 



