344 



Shell Life 



at a glance by noting that the orifice to tlie res- 

 piratory chamber is near the forepart of the mantle 

 instead of to the rear, and the animal has generally 

 a closer resemblance to a snail minus his house. 

 Instead of the mantle being marked with concentric 

 wrinkles it is uniformly shagreened ; and the tail 

 is furnished with a slime gland. They appear to be 



/ 



.^V 



■kh 



^^')?r- 





^,- 



(g^^-r .■.^'\-r:^^'* 



Black Slug 



more hardy than the Snails {Helix), and are active 

 for some time after these have gone into hiber- 

 nation. 



The Large Black Slug {A. afer) is a familiar 

 object in all parts of the country, in wood, field, 

 hedgerow, and garden alike, in the last named 

 doino: weat damao^e throucrh its fondness for fruit 

 — damage which the gardener commonly del)its 



