SEMINELLA. 179 



C. ALBONODOSA, Carpenter. 



Shell greenish white, maculated and marked with zigzag lines 

 of chestnut, and maculated with white below the sutures ; whorls 

 flattened, obsoletely costate, and spirally striate towards the 



base ; lip dentate within. L. *13, diam. 063 in. 



Mazatlan. 



The above three minute species remain unfigured ; very few 

 specimens occurred. 



C. STEARNSII, Tryon. PI. 58, fig. 48. 



Whorls five, convex; surface white, with fine revolving grooves 

 and no ribs ; lip simple, ribbed within. Length, *16 inch. 



Tampa Bay, W. Florida. 



Described by Mr. Stearns under the specific name of Jilosa, 

 preoccupied by Angas for an Australian species. 



C. HORDEACEA, PMlippi. 



A minute, unfigured species, longitudinally costate and the 

 costse becoming evanescent upon the body-whorl which is striate 

 at the base ; orange-brown, with a darker central band ; lip 

 thickened and crenate within. 



Red Sea. 



Unidentified by subsequent explorers. 



C. GUILDINGII, Sowb. PI. 58, figs. 49, 50. 



Shell longitudinally ribbed, decussated with spiral striae, last 

 whorl with subangulated periphery; aperture ovate, sinuous, 

 finely denticulated within ; yellowish chestnut to dark chocolate, 

 strigate longitudinally with a darker shade of color, with a 

 central, irregular white band. Length, 8 mill. 



West Indies. 

 C, CATENATA, Sowb. PL 58, figs. 51-55. 



Shell longitudinally ribbed, with revolving striae towards the 

 base ; ribs sometimes slightly nodulous at the sutures ; aperture 

 rather small, columella tuberculate, outer lip denticulated within 

 the simple margin ; yellowish or light blush-color, tessellated or 

 interruptedly banded with chestnut. Length, 8-9 mill. 



West Indies. 



The typical state of this species shows two bands of spots, 

 more or less defined by darker borders, but the coloring is very 

 irregular, the bands being usually barely indicated by a closer 



