Trochus terrestris 



Trochus papUlostis 



INDEX. 

 PART III. 



UNIVALVIA TURBINATA. 



GENUS 7. TROCHUS. THE TOP. 

 TERRESTRES. LAND. 



» MARINiE. SEA. 



Plate. Fig, 



XII 

 X27 



Cochlea vulgaris 



I unfaciata 



GENUS 10. COCHLEA SNAILS. 



t 



* TERRESTRES. LAND. 



131 

 136 



GENUS 12. STROMBIFORMIS. NEEDLE SNAIL. 

 « MARINiEi SEA. 

 Stromblformls bicarinatus - - - - iiz 



ORDER 2. 



BIVALVES. 

 GENUS 1. PECTEN ESCALLOP. 



Pecten Jacobaeus - 

 — — » lineatus « 



157 

 >i6 



