870 



Cerith. testa nigra vel griseo-nigrescente, crassa, brevi, ventri- 

 cosa, striata; aufractibus tuberculorum magnorum seriebus duabus 

 arinatis ; apertura magna ; labio interno brevissimo ; canali brevis- 

 simo. 



This is not the 8. tuberculatus of Linnaeus. The upper whorls 

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



89. Ceeithium morus (pi. clxxxii. f. 159, 160, \§\),Lamk. 

 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 Strombus titberculatus 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. 

 Hab. Red Sea and Madagascar. 



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

 Linnceus, Syst. Nat. no. 544. C. carbonarum, PMlijjpi. 



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

 lata ; tuberculis nigris seriatim ornata. 



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

 tween them. Eig. 162 is from the original specimen in Linnasus's 

 collection. The better preserved specimen, with more irregularly 

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

 Pauay, Philippines. 



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

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



Cerith. testa ovali, sub ventricosa, solida, ad apicem gradatim 

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

 terstitiis striatis; apertura ovali; labio externo crenulato, labio 

 interno utrinque plicato. 



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

 from C. tuberculatum 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 Ho Ho, Island of Panay, Phi- 

 lippines, by Mr. Cuming. 



92. Cerithium variegatum (pi. clxxxii. f. 166, 167, 168, 

 169), Quoy, Voy. de l'Astr. pi. 55. f. 17. 



