198 



CHAPTER X. 



Notes on Slugs, Flukes, Eelworms, Millepedes,. 

 AND Eed Spider. 



With Observations on Methods of Studrjing Habits of 

 Farm Insects and other Crop Pests. 



Fig. 153.— 1, L. agrestic, Field or Milky Slug ; 2, L. ater, Black 

 Slug (less than life size) ; 3, L. ater (var. empiricorum) in repose ; 

 4, eggs. 



In the preceding pages I have endeavoured to place 

 before the reader some of the most important points 

 in classification and methods of hfe of insects, and 

 also of the principles on which these methods of life 

 should be followed up in order to check their ravages. 

 To follow this up in the detail which this subject (so 

 important in its bearing on the food supplies of the 

 nation) deserves, would require more space, and also 

 much more time and devotion to the subject, than can 



