ALEXIA. 463 



far from any water in a garden in the District of Colaml)ia, whither 

 it was introduced on phxnts from Charleston, S. C. With the ex- 

 ception of the two last mentioned, the American species are found 

 on salt marshes and in brackish water near the sea. 



Of the geographical distribution of our species but little is yet 

 known. Mclampus bldentalus is found from Maine to Texas. 



Oenus ALEXIA, (Leach,) Gray. 1847. 



Foot simple beneath, without a transverse groove. ^'" '^^■ 



Jaw narrow, slightly arcuate, extremities but little at- 

 tenuated, striie obsolete, scarcely any median projection. 

 Shell oblong-ovate, thin, spire pointed ; last whorl large, 

 rounded at base ; aperture rather broad, oval, acuminating ; 

 parietal wall furnished with from one to live tuberculous 

 lamina? ; columcllar fold oblique ; peristome expanded, /";"),fo°^_ 

 armed with teeth, or thickened within. ^"'''^°''^- 



But one species is known to inhal)it North America. Most of the 

 few foreign species inhabit the coasts of the Mediterranean, though 

 the genus is represented in South America and the West Indies. 



Alexia myosotis. 



Fig. 129. 



Shell ovate-conical, smooth, reddish horn-color; spire elevated and pointed; 

 inner lip with three teeth; lip reflexed. 



Anricnhi iiiifo^otis, Draparn'aud, &c. 



Auricuhi cleiiticulala, GouLD, Inv. of Mass. 199. fie:. 129 (excl. Vofnta dfntiodata, ]\IoxT. et 



syn. suis.) (1841), not of MoNTFORr. — Dk Kay, N. Y. Moll. .58, pi. 5, figs. 91, 93 



(excl. Voliita deiitiadafa, Mont, ct syn.), nee Montfort. 

 Mehvnpiis borealis, (""ONRAn, Am. Journ. Sc. [1], xxiii. .34.5 (1833). 

 Alexin mijoMlis, Pfeiffer, Men. Auric. Viv. 148 ; Brit. Mas. Auric. 114. — W. G. Bix- 



NEY, Ten-. Moll. iv. 172, pi. 75, fig. 33 ; pi. 79, fig. 16 ; L. and Fr. W. Shells, iii. 



4, fig. 4 (1865). 

 Cari/chiniii (Phijtia) imjosoti's, IMoquix-Tandox, Moll. Fr. ii. 417, pi. 29, figs. 33-39; pi. 



30, figs. 1-4. 

 Conovulus inijosotis, Reeve, Br. L. and Fr. W. Shells, 130 (1864). 



Shell of an elongated oval form, slightly opaque, shining, horn 

 color, often tinted with reddish or violet ; lines of growth very faint; 

 spire elevated and pointed, composed of seven or eight slightly con- 

 vex whorls, separated by a well-defined suture, which often has a 



