ANOMA. 33 



aa. Gray-white or yellowish, with white lip and a 

 widening white subsutural band. 



A. s. valida, no. 16a. 



2. No distinct white band below the suture. 

 a. White, a tinge of red at both ends. 



A. s. conica, no. 16&. 



aa. Pale umber, darker near end of last whorl, lip 

 white ; lightly striate on upper whorls, reg- 

 ularly and rather coarsely so on the rest. 



A. s. fusca, no. 16c. 



aaa. Large and robust, pearl-white, sometimes red- 

 tinted at the ends, lip white, a large irreg- 

 ular black spot behind it. 



A. s. corpulenta, no. 16dL 

 aaaa. Pale yellow or pearl-white ; lip white. 



A. s. unicolor, no. 16e. 



Typical A. solida (C. B. Adams). PI. 18, figs. 20, 21. 



Shell rimate, the lower half obese, upper half rapidly taper- 

 ing, truncate; solid. First 1% or "2 whorls and the last ivhorl 

 blackish-brown, intermediate whorls pale, roseate, the penult, 

 one often olive-tinted ; on the last whorl the suture is bordered 

 below by a white line widening into a band on the back; lip 

 bordered behind with flesh-color or whitish. Surface glossy, 

 finely but rather weakly striate, the stria? becoming strong 

 and close-set riblets on the last half of the last whorl. Suture 

 weakly crenulate near the apex. Basal keel weak and thread- 

 like, stronger near the lip. Aperture vertical, bluish or pur- 

 plish inside, with a white band above. Peristome thick, with 

 very convex face, pink, but paler or white at the ends, which 

 are widely separated, joined by a transparent parietal cal- 

 lous; outer lip slightly sinuous; columellar lip calloused and 

 scarcely retracted at the insertion. Columella with a heavy, 

 deeply-placed fold, indistinctly truncate below, as seen in the 

 aperture. Length 19.5, diam. 6.7 mm., whorls 7~y 2 . 



Central Jamaica: vicinity of Peace River, in the eastern 

 part of Manchester (C. B. Ad.). 



Cyl. maugeri var. solida C. B. A., Contrib. no. 9, p. 162 



