142 



BlTTIUM GLAREOSUM. T. conica, elevata. turrita, leviascula, 

 dilute ni la ; anf'r. 10-f- planulatis,filis granulosis 4 cinctis et longi- 

 tudinaliter ad 20-plicatis, ultimo varicoso et antice constricto: 

 apertura ovato-rotundata, postice acuta; labro simplici; colu- 

 mella late arcuata. Axis G ; lat. 2 millim. Inhabits Port Lloyd, 

 Bonin Is., and Loo Choo Is. W. S. 



l'.iiiiiM parcum. T. parva, ovato-turrita, cinerea ad apicem 

 vitrea, undulis a<l 10 antice evanescentibus et rilis G (ad anfr. 

 ult. 10-J-), filo minori plerumque interposito, ornata ; anfr. 7-f- 

 rotundatis, duobus anticis nonconformibus : apertura rotundato- 

 ovata, ^ totius longitudinis sequans ; labro vix incrassato ; colu- 

 mella callo copioso induta. Axis 5 ; diam. 2 millim. Inhabits 

 Loo Choo Is. W. S. 



BlTTIUM alutaceum. T. parva, elongato-ovata, acuminata, 

 fusca ; anfr. 8-|- planulatis bene- discretis, singulis gemmularum 

 seriebus tribus hie nigris illic corneis instructis, ad anfr. ultimum 

 in lira- articulatas (Hlo interjecto) mutatis: apertura subcircu- 

 laris ; canali brevissimo. Axis 7 ; diam. o millim. Inhabits 

 China Seas. W. S. 



Much in the st)de of C. granarium, but much smaller. The 

 granules are very distinct and well rounded, being separated 

 by longitudinal furrows. 



Cerithiopsis laqueata. T. elongato-conica, rufa ; anfr. 

 1 3— {— planatis eleganter bicarinatis ; earinis acutissimis, remotis, 

 postica majore, altera ad peripheriam, quinta anteriori ; interstitiis 

 latis tenue clathratis; basi planata radiatim striolata: apertura 

 quadrata; labro a earinis 5-crenato. Axis 8; diam. 2 millim. 

 Inhabits China Sea-. W. S. 



Most nearly related to C. assimilata, C. B. Ad., but its form is 

 more tapering and its posterior keel larger. 



Cerithiopsis aurantiaca. T. minuta, ovata, flavido-auran- 

 tia ; anfr. nucleosis lineis spiralibus et radiantibus decussatis ; anf. 

 normalibus 5 planatis carinatis ; earinis quoad spiram duabus vali- 

 dis obtusi- baud remotis ; altera infra peripheriam; altera denique 

 circa basin ; laminis longitudinalibus circ. 1G carinas decussanti- 

 b us, tuberculosis ; sutura inconspicua: apertura? (fracta). Axis 

 2 ; diam. 1-f- millim. Inhabits China Seas. W. S. 



