spiraliter striata ; anfractibus numerosis plicatis subventricosis, ul- 

 timo inferne bicarinato ; canali recto. 



The shape is more fusiform than in C. planum, and the whorls 

 more ventricose. The lower part of the last whorl is slightly bi- 

 carinated, and more gradually terminated. Philippines, //. Cuming. 



57. Cerithium coronatum (pi. clxxxi. f. 118), Nobis. 

 Cerith. testa C. balteato simili, sed canali validiore, anfractibus 



prope suturam nodulis albis prominentibus coronata. 



This is like C. baltealum, but has a row of white tubercles on 

 the whorls near the suture. Philippines, H. Cuming. 



58. Cerithium eriense (pi. clxxxi. f. 119), Valenciennes. 



Cerith. testa nigra, elevata, mitrseformi ; anfractibus costis gra- 

 nuliferis quatuor cinctis j sutura excavata, ; apertura brevi, alba. 



A black, long shell, with four granulated ribs on each whorl. 

 Honduras Bay, M. Dyson. Mr. Cuming's collection. 



59. Cerithium corallium (pi. clxxix. f. 63), Kiener, Sp. 

 de Coq. Cerith. p. 32, pi. 8, f. 3. 



Cerith. testa elongata, fusco-nigrescente, longitudinaliter pli- 

 cata ; sutura excavata ; anfractibus spiraliter tricostatis costis no- 

 duliferis ; apertura ovali ; labio externo crasso denticulato, labio 

 interno postice uniplicato ; canali brevissimo. 



A long, granulated, ribbed, dark-coloured shell, consisting of 

 many whorls, which are separated by a grooved suture; three 

 grained, spiral ribs cross the longitudinal plicae. Ilo Ho, Island 

 of Panay, Philippines, H. Cuming. 



60. Cerithium granosum (pi. clxxxi. f. 123, 124), Kiener, 

 Sp. de Coq. Cerith. pi. 4. f. 3. 



Cerith. testa C. coralli simillima, sed magis conica, breviore, 

 apertura magis rhomboidea. 



If this be really distinct from C. corallium, the distinction con- 

 sists in the shorter and more conical form, and in the greater 

 angularity of the aperture. Australia. 



61. Cerithium pictum (pi. clxxxi. f. 121), Wood, Ind. test. 

 Supp. pi. 5. f. 2-4. C. heteroclites, Lamk. Cerith. no. 24 ? 



Cerith. testa solida, lata, alba, fusco-nigrescente picta, spiraliter 

 striata ; anfractibus noduloso-plicatis, angulatis ; apertura bicana- 

 liculata, subrotunda. 



This shell is slightly striated, rather ventricose, and beautifully 

 painted with dark brown. Locality unknown. 



5 u 



