io6 The Structure and Habits of Spiders. 



ends of the lobes can be seen like irr^^ular 

 lumps. The first sign of growth is the divis- 

 ion into two. Fig. 63, b. These divide into 



Kg. 63. 



four, into eight, and so on. Fig. 63, c, d. At 

 first the divisions are all alike ; but at length 

 they divide into two kinds, — small ones, with a 



