10 



AMPULLARIA FLAGELLATA, Say. 



SYNONYMS AND REFERENCES. 



A. FLAGELLATA, SAY. Dissem. 1829, p. 260. Mrs. Say's 

 reprint, p. 22, New Harmony, 1840. 



DESCRIPTION. 



SHELL "subglobose, olivaceous-brown, with 

 15 or 16 revolving, dull reddish-brown, slender 

 bands: spire conic, moderately elevated, acute: 

 body whirl regularly rounded, more obviously 

 undulated or obtusely wrinkled near the aper- 

 ture: umbilicus free, obvious: labrum a little 

 dilated: within reddish-brown: labium, columella, 

 and margin of the labrum, white: operculum 

 horny. 



"LENGTH over one inch and a half: greatest 

 width one inch and two-fifths. Inhabits Mexico. 



"Occurs in plenty a short distance below 

 Vera Cruz. We found them immediately be- 

 hind the sand-hillocks of the coast, in situations 

 which, in rainy seasons, are covered with fresh 



water I am unacquainted with the A. 



linearis, Perry, which he supposes to be a native 

 of the coast of North America. 



