PALUDINA BENGALENSIS. 25 



DESCRIPTION. 



SHELL lengthened, conic, and polished; com- 

 posed of six or seven convex whirls, the sur- 

 face of which is covered with minute transverse 

 wrinkles, and numerous narrow spiral bands: 

 apex pointed; suture deep; lines of accretion 

 very fine; aperture regularly rounded, produced 

 posteriorly. 



COLOR light green, often passing into brown- 

 ish; the spiral bands are fuscous, and the inside 

 white. 



OBSERVATIONS. 



"Captain Leconte presented me with a shell 

 which, he informed me, he found in the river 

 St. John, Florida. I described it nearly four 

 years since under the name of multilineata; but 

 recently, being about to publish it, on a more 

 attentive examination and comparison with a 

 specimen of the elongata from Calcutta, I have 

 concluded that it varies from that specimen 

 only in having the umbilicus a little smaller." 

 Say. 



The shell figured is in the collection of the 

 Academy of Natural Sciences, where it was 



F 4 



