406 



ACCOUNT OF 



Turbo. 





/ 



27. ruber. 



M. 



JNew species, Dunbar, very 







scarce. 



28. calathiscus. 



M. 



TVT ' C t 



JNew species, trom Jura-, rare. 



29« simillimus *.. 



M. 



JNew shell, irom same situa- 







tion, rare. 



30. iuniperi. 



M. 



Upon a hill near Dunbar, 







rare. 



31. tridensf. 



*s if 



M. 



lhis very rare shell is now 







fixed as a resident 01 Great 







.Britain, by a live speci- 







men being round by me in 







Caroline rark, three miles 







• west 01 Leith. 



.32. perversus. 



M. 



In the moss at the base of 







Salisbury L<raigs. 1 JLnis 







snen is very rareiy 10 ue 







met with elsewhere so nne 







and perfect. In the mouth, 







in some 01 the specimens, 







a tooth makes its appear- 







ance. 



33. marginatus J. 



M. 



Among sand from the shelt- 







bank near Dunbar, very 



rare. 



HELIX. 



Animal a Limax. Shell univalve, spiral, sub- 

 diaphanous, brittle. Aperture contracted, semi- 

 lunar, or roundish. 



* Tab. viii. fig. 15. t Id. fig. IK t ^. fig. 13. 



