441 



It is not an uncommon fliell in many parts of Eng^ 

 land, but from its fmallnefs has efcaped general notice. 

 Mr. Walker fpeaks of its inhabiting marfhy ground, 

 and not unfrequent about Faverpiam. We have received 

 it from Mr. Boys of Sandwich. It is moft commonly 

 found in rivers and ftrearas of water, after floods, a- 

 mongfl the fand, and other refufe, brought down by the 

 current ; having been fwept from the neighbouring wet 

 and fwampy fituations. Is very plentifully found after 

 a flood, on the banks of the river Avon, in North Wilt- 

 Jhire, about Lackham ; and not uncommon amongft 

 the drifted fand of the Kennet, at Nexjobury in BerkfJiire. 



Sometimes met with in dry fituations, on ditch-banks 

 and old" walls. 



47. 

 Turbo heiicinus. Phil Trans. LXXV1. t. 3. f. 1. to 4. Crf.nella. 



(Lightfoot.) Tab. 13. f.3. 



H. in every refpeft like the laft, except that it is fl;ri- 

 ated acrofs the volutions in a fl;rong and regular manner, 

 and is frequently covered with a light-brown epidermis. 



We received this fhell from our eftimable friend Mr. 

 Boys, by the name prefixed ; he confidered it as diftinft 

 from the H. paliidoft, and faid it inhabited mofly walls, 

 and banks, where that fhell was not to be found. We 

 cannot, however, help expreffmg fome doubts with re- 

 fpeft to its being really diftinft, with every fubmiflion 



L 1 I to 



