166 Descriptions of Neiv Species and Varieties of Shells, 



regular!}' and rather coarsely striated. Inhabits Maroon Tpwn 

 in Hanover. 



Yar. coNicA. Shell widest in the penult whorl : white, 

 with a tinge of red at both ends. 



e. Tesselated varieties. 



Var. TESSELATA. Shell rather robust : covered with alter- 

 nate rectangular spots of cream color and amber, which ter- 

 minate anteriorly at the cream colored keel ; black behind the 

 lip, which is white : smooth above, lightly striated on the 

 lower whorls, and coarsely striated on the black part of the 

 last whorl. Inhabits St. Elizabeth. 



Yar. ciNEREA. Shell of medium size and form : pale ash 

 color ; black at the summit : with transverse broad umber 

 stripes, which are numerous and deeply colored on the upper 

 whorls, distant and pale on the middle whorls, and obsolete on 

 the last whorl ; with a dark brown line along the suture and 

 another on the anterior keel ; lip white, with a black stripe 

 behind on the right, and a black spot behind on the left : back 

 of the last whorl distinctly striated, otherwise very lightly 

 striated. Inhabits near Accompong town, in the borders of 

 St. Elizabeth, St, James, and Trelawney. 



/. Aberrant slender forms. 



Yar. GRACILIS. Shell quite slender : pearl white, with a 

 pure white keel and lip : at the end of the last whorl coarsely 

 striated ; otherwise with excessively minute striae. 



Yar. INTEGRA. Shell quite slender : dull white, wWh a 

 clear white lip : striae very oblique, quite distinct on the last 

 whorl, very minute on the spire. The only specimen before 

 me is not truncated. Inhabits Maroon Town in Hanover. 



We have been assured by Robert Swift, Esq., and by 

 Rev. E. Hartvig, of St. Thomas, (W. Ind.,) that Cylindrella 

 Maugeri does 7iot occur in that island. 



The following forms of Cylindrella belong to the group, of 



