INTRODUCTION 21 



shape, are recognized as having two pairs of legs to each 

 apparent segment and there is usually a large number of 

 segments, 40 to 100 or more, so that the name thousand- 



FiG. 2. — Scutigera forceps: a, newly hatched individual; b, one of the 

 legs of same; c, terminal segment of body showing undeveloped legs coiled 

 up within — ail enlarged. (After Marlatt. Div. Ent., U. S. Dept. Ag.) 



worm is fairly descriptive. Most of these species 

 are found in moist places and feed upon vegetable debris, 

 but a few have been recorded as attacking vegetation, and 

 one species has been credited with injuring seed corn. 



