142 



Bittium glareosum. T. conica, elevata, turrita, leviuscula, 

 dilute rufa ; anfr. 10-(- 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 6 ; lat. 2 millim. Inhabits Port Lloyd, 

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



Bittium parcum. T. parva, ovato-turrita, cinerea ad apicem 

 vitrea, undulis ad 10 antice evanescentibus et filis 6 (ad anfr. 

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

 rotundatis, duobus anticis nonconformibus : apertura rotundato- 

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

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

 Loo Choo Is. W. S. 



Bittium alutaceuji. T. parva, elongato-ovata, acuminata, 

 fusca ; anfr. 8-j- planulatis bene discretjs, singulis gemmularum 

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

 in liras articulatas (filo interjecto) mutatis : apertura subcircu- 

 laris ; canali brevissimo. Axis 7 ; diam. 3 millim. Inhabits 

 China Seas. W. S. 



Much in the style of C. granarimn, but much smaller. The 

 granules are very distinct and well rounded, being separated 

 by longitudinal furrows. 



Ckrithiopsis laqdeata. T. elongato-conica, rufa ; anfr. 

 13— J— planatis eleganter bicarinatis ; carinis acutissimis, remotis, 

 postica majore, altera ad peripheriam, quinta anteriori ; interstitiis 

 Litis tenue clathratis ; basi planata radiatim striolata : apertura 

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

 Inhabits China Seas. W. S. 



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

 more tapering and its posterior keel larger. 



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

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

 normalibus 5 planatis carinatis ; carinis quoad spiram duabus vali- 

 dis obtusis baud remotis ; altera infra peripheriam ; altera denique 

 circa basin ; laminis longitudinalibus circ. 16 carinas decussanti- 

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

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



