The Structure and Hetbits of Spiders. 1 1 1 



from time to time. This process is shown 

 by Wilder in Figs. 66, 67; and I have seen 

 the same operation in Argiope. The spider 



F%.«& 



I%-6y. 



hangs herself by a thread firom 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 fells forward, being 



