106 The Structure and Habits of Spiders. 



ends of the lobes can be seen like irregular 

 lumps. The first sign of growth is the divis- 

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



Fig. 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 



