56 NEW- YORK. FAUNA MOLLUSCA. 



(EXTRA-LIMITAL.) 



B. mutilalus. (Sav, Jour. Acad. Vol. 2, p. 373.) Shell large, turreted. Whorls 4, longitudinally 

 striate with elevated lines: suture moderate. Apex widely truncate. Lip whitish, with no calca- 

 reous deposit. Body-whorl more than double the width of the truncated apex. Spire 1 ~ times 

 longer than the aperture. Color, pale reddish brown. Length, 0*9. Charleston. 



B. multilineatus. (Say, 1. c. 5. 120.) Shell small, conic, not very obviously wrinkled. Whorls not 

 very convex: suture lineolar, not deeply indented : umbilicus small ; lip simple, blackish. Color: 

 whorls yellowish white, with transverse entire reddish brown lines ; a blackish subsutural revolving 

 line: apex blackish ; umbilicus surrounded by a broad blackish line; columella whitish. Diame- 

 ter, 0-3. Florida. 



Genus AcHATiNA, Lam. Shell ovate or oblong; aperture entire, longer than broad; lip sharp, never 



reflected. Columella smooth, truncated at the base. 

 A. solida. (Say, Ac. Sc. Vol. 5, p. 122.) Shell rather ponderous, conic, elongated, nearly smooth 



or with distant wrinkles; whorls about 7 ; spire prominent ; mouth rather small; labrum thickened 



on its inner submargin ; columella hardly truncated, with a somewhat prominent ridge on the inner 



side near the base. Color, yellowish. Length, 2-5. Florida. 

 A. vexillum, Humph. (Plate 4, fig. .56 of this work.) Shell ovate-conic, smooth, with eight convex 



whorls, minutely striated. Color, bluish, varied with yellow and reddish revolving bands. Length, 



1-0 -1-5. Florida. 

 A. virgiiiea, Lin. (Ferussac, Moll. pi. 120.) Shell ovate-conic, smooth, with convex whorls; lip 



with one plait. Color, white, with red and black revolving bands. Length, l'O-2'O. Florida. 

 A. striata. (Fer. Moll. pi. 136, fig. 6- 10.) Florida. 

 A. fiammigera. (Id. Moll. pi. 118, fig. 5 - 7.) Florida. 



Genus Glandina. Shell subturreted, oblong, suboval, somewhat fragile; front of the shell gradually 



attenuated to the base of the columella; aperture unarmed, rather narrow, nearly longitudinal; 



lip simple, a little undulated; columella incurved, a little truncated at the base. 



G. truncata. (Planorbis glans, Say, Ac. Sc. Vol. 1, p. 282.) Spire rather truncated, somewhat 



mammillary at the tip ; whorls 5 - 6, wrinkled; suture irregularly crenated. Color, pale reddish 



brown. Length, 1 '5. South-Carolina and Florida. 



