868 



79. Cerithium obesum (pi. clxxxi. f. 141, 142), Nobis. 

 Cerith. testa crassa, ventricosa, striata, nigro vel griseo inacu- 



lata, ad suturas undulata ; apertura magna, subtrigona ; labio in- 

 terno antice brevissimo, postice calloso ; canab brevissimo. 



Much more ventricose than C. dorsuosum, the whorls undulated 

 near the suture, and the back not so remarkably raised. llab. 

 Island of Bohol, Philippines, Cuming. 



80. Cerithium sculptum (pi. clxxxii. f. 144, 145), Nobis. 



Cerith. testa parva, solida, ventricosa, fusco-nigrescente varie- 

 gata, spiraliter costellis planulatis, crenulatis, et interstitiis linea- 

 ribus cincta ; anfractibus rotundatis, ultimo magno ; apertura ro- 

 tundata, ; canali breve ; labio extemo crenulato fimbriate 



A small, solid, darkly variegated, grooved shell, of a rather 

 conical form, with rounded whorls. Locality unknown. 



81. Cebithium lutuosum (pi. clxxxii. f. 146, 147, 148), 

 Menfce. C. mutabile, C. B. Adams, incluso. 



Cerith. testa, parva, brevi, grisea, nigro variegata, ventricosa, 

 longitudinaliter et spiraliter granosa ; apertura subrotunda. ; canali 

 brevissimo. 



A very little, black, mottled, short, ventricose shell, granulated 

 by the crossing of sulci in each direction. Jamaica. Fig. 147 is 

 from a small shell in Mr. Hanley's collection, which may possibly 

 be distinct. Pig. 148 represents C. mutabile. 



82. Cerithium Sayi (pi. clxxxii. f. 149, 150, 151), Menke. 

 C. nigra, Totten, Silliman's Journ. xviii. 352. f. 8. C. reticulatum, 

 Totten, Silliman's Journ. xxvi. 369. pi. 1. f. 7. C. Iota, Gould? 



Cerith. testa, parva, subconica, brevi, nigra, cancellata, costis 

 longitudinalibus et striis elevatis cancellata, sutura excavata. 



Very small, black, conical, cancellated by longitudinal ribs and 

 spiral raised lines. Continent of North America. C. Iota, Gould, 

 is represented by figure 151. 



83. Cerithium incisum (pi. clxxxii. f. 152), Nobis. 



Cerith. testa, elongata, spiraliter inciso-sulcata, fusco-viridescente, 

 nigro maculata ; anfractibus subventricosis, gradatim crescentibus, 

 prope suturam angulatim subelevatis ; apertura magna ; labio in- 

 terno postice uniplicato, antice in canalem distinctum terminato ; 

 labio externo lacpieato. 



Mr. Cuming's collection contains several specimens from Aus- 

 tralia, and one collected by himself in the Philippines. It is a 



