The Structure and Habits of Spiders. 15 



PALPI. 



In front of the legs are the palpi, Fig. i, C, C, 

 a smaller pair of limbs, with six joints and 

 only one claw or none. They are used as feelers, 

 and for handling food, and, in the males, carry 



Fig. 3- 



the curious palpal organs, which will be de- 

 scribed farther on. The basal joints, Fig. i, 

 E, of the palpi are flattened out, and serve as 

 chewing-organs, called "maxillae." 



Mr. Mason has lately described, in the Trans- 



