870 



Cerith. testa nigra vel griseo-iiigrescente, crassa, brevij ventri- 

 cosa, striata; anfractibus tuberculorum magnorum seriebus duabus 

 armatis ; apertura magna ; labio interne brevissimo ; canali brevis- 

 simo. 



This is not tlie S. tiiberciilatus of Linnseus. The upper whorls 

 have two rows of large^ distant tubercles. Island of Seychelles. 



89. Cerithium morus (pi. clxxxii. f. 159, 160, 161), Lamh. 

 Hist. Nat. An. s. vert. 



Cerith. testa brevi, crassa, ventricosa, seriebus tribus tubercu- 

 lata, nigra vel fusco-nigrescente, vel grisea nigro maculata ; spira 

 brevi ; anfractibus paucis ; apertura subovali ; labio externo crasso, 

 crenulato ; canali brevissimo. 



The light-coloured shell, fig. 159, is from Mr. Metcalfe's col- 

 lection, and slightly resembles the Stromhus Uiherciilatus of Lin- 

 naeus. The variety, fig. 161, is Mr. Hanley's. The dark shell, 

 fig. 160, may be considered typical; dark tubercles, corresponding 

 in form and sculpture with C. morus of Bruguiere and Lamarck. 

 Hah. Eed Sea and Madagascar. 



90. Cerithium tuberculatum (pi. clxxxii. f. 162, 164), 

 Linnaus, Syst. Nat. no. 544. C. carbonarum, PhUippi. 



Cerith. testa breviuscula, striata, nigra, vel grisea nigro macu- 

 lata ; tuberculis nigris seriatim ornata. 



The tubercles are distinct and nearly black, with sharp strise be- 

 tween them. Kg. 162 is from the original specimen in Linnseus's 

 collection. The better preserved specimen, with more irregularly 

 coloured beading, was obtained by Mr. Cuming at the Island of 

 Panay, Philippines. 



91. Cerithium monilieerum (pi. clxxxii. f. 163, 165), 

 Kiener, Sp. Coq. pi. 16. f. 3. 



Cerith. testa ovali, subventricosa, solida, ad apicem gradatim 

 attenuata, tuberculis ovatis elevatis in seriebus tribus depositis, in- 

 terstitiis striatis; apertura ovah; labio externo crenulato, labio 

 interno utrinque plicato. 



Of a regular, oval form, tapering at the end, and distinguished 

 from C. tuheradatum by the depth of its tubercles, which are 

 arranged in rows so as to form ribs in both directions, and by the 

 striae between the ribs. Collected at Ilo Ilo, Island of Panay, Phi- 

 lippines, by Mr. Cuming. 



92. Cerithium variegatum (pi. clxxxii. f. 16G, 167, 168, 

 169), Quoy, Yoy. de I'Astr. pi. 55. f. 17. 



