OF CONCHOLOGY. 113 



and sub-pellucid, colour various ; volu- 

 tions five, with from one to five dark 

 brown bands or fascice ; aperture 

 pyriform ; inner margin of the lip, 

 sometimes white, in others dark-red- 

 dish brown. This shell is very com- 

 mon in the evenings and mornings in 

 summer, at the roots of hedges, &c. 



Linn. Trans, vol. viii. page 206. 



N Outer lip, A epidermis, ^epi- 

 dermis removed. 



Fig. 3d.~NAUTILUS POMPI- 

 LIUS, with the lip cut straight to show 

 the involuted spire. 



C Aperture, T involuted spire. 



Fig. 4th. —The OPERCULUM of 

 a Turbo. 



Fig. 5th.-HELIX GLUT1NOSA. 

 Shell suborbicular, thin, and diapha- 

 nous, of a glossy, pale horn-colour, 

 smooth, but sometimes with obsolete 

 wrinkles ; the body very large ; spire 

 very small ; volutions three ; aperture 



very large, extending nearly to the 

 Q 



