The Structure and Habits of Spiders. 1 1 r 



from time to time. This process is shown 

 by Wilder in Figs. 66, 6j ; and I have seen 

 the same operation in Argiopc. The spider 



Fig. 66. 



Fig. 67. 



hangs herself by a thread from the spinnerets 

 to the centre of the web. The skin cracks 

 around the thorax, just over the first joints of 

 the legs ; and the top part falls forward, being 



