INDEX. 

 PART III. 



UNIVALVIA TURBINATA. 



GENUS 7. TROCHUS. THE TOP. 



TERRESTRES. LAND. 



Plate. Fig. 

 Trochus terrestris - - - • m 



* MARINE. SEA. 

 Trochus papillosum * - 127 



GENUS 10. COCHLEA SNAILS. 



* TERRESTRES. LAND. 



Cochlea vulgaris - - ■* - -13* 



* unfaciata - - * 136 



GENUS 12. STROMBIFORMIS. NEEDLE SNAIL. 

 * MARINE SEA. 

 Strombiformis bicarinatus - - - lia 



ORDER 2, 



BIVALVES. 



GENUS 1. PECTEN ESCALLOP. 



Pecten Jacobaeus * - - -. 137 



■ m i. .. . m lineatus - - - - u6 



