The Structure aud Habits of Spiders. 33 



and in this they are aided by the maxillae, Fig. 

 1, E. They will sometimes chew an insect for 

 hours, until it becomes a round lump of skin, 



with all the blood sucked out of it ; this is then 

 thrown away, the spider swallowing only such 

 bits as may happen to be sucked in with the 

 liquid portion. 



If let alone, no spiders bite any thing except 

 insects useful for food ; but, when attacked and 

 cornered, all species open their jaws, and bite 

 if they can ; their ability to do so depending 

 on their size, and the strength of their jaws. 

 Notwithstanding the number of stings and 

 pimples that are laid to spiders, undoubted 



