408 



THE OCEAN WOELD. 



In connnection with the snails (Helix), we shall note some kindred 

 genera which our space only permits us to name. Such is the genus 



Figs. 200 and 201. Helix Waltoni (Reeve). 



Bulimus, the European species of which are numerous ; some of them 

 very small, others of medium size ; of these, Bulimus sultanus (Figs. 



Fig. 202. Helix citrina (Linnams). 



Fig. 203. Helix Stuart ia (Sowerby). 



204 and 205). In Figs. 206 and 207, the Berry Pupa (P. wva), as 

 an example of another genus, is represented. 



Figs. 204 and 205. Bulimus sultanus (Lamarck). 



Yet another typical species may be noted, which is found ahnn- 



