INSECT INJURIES. 



385 



beneficial in its effects if judiciously applied as a remedy to 

 the analogous form of disease, the " anbury/' of a species so 

 closely allied as the turnip. 



The cabbage is liable to the attacks of the same class of 

 insects that infest our turnips, and other plants belonging 

 to the same genus. In their early growth, when first 

 planted out in the field, they often are greatly injured 

 by slugs; which, especially in the early spring and autumn 

 months, commit great depredations on the wheat and 

 other young crops on the farm. These all belong to the 

 "genus" Limax. The two most commonly met with in our 



1. The Milky Slug (Limaxagrestis). 2. Black Slug (L. ater). 3. L. empericorum. 

 4. Eggs of do. 



fields, are the L. agrestis the "milky slug" recognized by 

 its whitish reticulated back, and the L. ater the "black 

 slug" whose back is furrowed with deep wrinkles, and 

 has a rough shield. These all are hardy insects, shelter- 

 ing themselves under loose clods, or in cavities round the 

 roots of plants or bushes in hedgerows, and making their 

 appearance whenever the weather is mild enough for their 

 operations. They are very destructive, and should be 

 attacked as soon as they are noticed. Salt and lime are 

 the remedies generally recommended; these should be 



