116 



formibus, lineisque elevatis transversis quatuor granula- 

 tis; apertura ovata, in canalem brevem obliquum termi- 

 nata; labio superius callo transverso instructo; labro 

 subreilexo." Ph. 



Alt. 97^'"; lat. 4'"; anfr. circ. 13. 



Cerithium pulicarium Phil. Menke Zeitschr. 1848. 

 p. 20. Nr. 84. 



Cerithium pulicarium Phil. Abbild, p. 18. t. 1. f. 14. 

 Hab. Yucatan (PhU.) loc. ign. (Phil. Abbild.) 



Sect. Cerithii mori Lam. 

 * 276. Cerithium ferrugineum Say. 



„Pale ferrugineous granulated by 20 longitudinal 

 ribs; stri» about 7 on the body Avhorl with intermediate 

 smaller ones and but three on the second whorl; labrum 

 slightly thickened on the exterior margin, and with 

 obsolete impressed lines on the inner side corresponding 

 with the exterior stria3." Say. 



Nassa ferruginea Say (ex Menke Sva.) 



Cerithium ferrugineum Say. Mke. S}Tiops. 1826. 

 p. 33. 



Cerithium ferrugineum Say Am. Conch. pl. 49. f. 

 2. Aug. 1832. 



Cerithium ferrugineum Sow. Reeve Ic. f. 92.? 

 Hab. South coast of Florida (Elhot.) 



277. Cerithium versicolor C. B. Ad. 

 „Sh. ovate conic, turrited: usually mottled irregu- 

 arly with reddish black and white, white prevailing on 

 the varices and on the upper Avhorls, and the black on 

 the lower whorls and especially on the granules; some- 

 times mostly white; sometimes mostly black: with 

 numerous transverse ridges, which are prominent on the 

 Upper whorls; with, on most of the whorls, 3 Spiral 

 ridges, the intersections being developed into very pro- 

 minent subacute nodules; and a fourth smaller spiral 

 ridge in the suture of the last whorl; vnth. intermediate 



