Our British Snails 15 



not unlike bayonets in form, sometimes rounded 

 and smooth, and sometimes with two or even 

 four lateral blades, so that the section of the dart 

 of H. pomatia is in the form of a Greek cross. 

 Not many British shells have these darts, but in 



Love-darts of H. pomatia, much magnified. 



one case their study is useful, since H. nemoralis 

 and H. hortensis, though so closely allied that 

 early conchologists considered them to be of the 

 same species, have darts remarkably distinct one 



