INDEX. 



PART III. 



UN1VALVIA TURBINATE, 



OENUS 7. TROCHUS. THE TOP. 



MARIN/E. SEA. 



Trochos elnereuv 



Plate. Fig. 

 »5S * 



Helix Erica 

 ■ hispida 



'■ rufesctns 



GENUS 9. HELIX. 



* TERRESTRES. LAND. 



151 2 

 151 I 



157 * 



** FLUVIATILES. RIVER. 



Turbo trianfractus 



16S i 



GENUS 12. STROMBIFORMIS. NEEDLE SNAIL. 

 Strombiformis albus - _ • . • 1 ^' 



