Superfamily Argiopoidea 



the eyes occupy the entire width of the head. The claws of the 



chelicerae are nearly vertical. The pedipalps are in front of the 



labium. It was the position of the labium below the pedipalps 



that suggested the name 



Hypocbilus. The palpus 



of the male is remarkable — ^se-^^tS; 



in that the bulb is borne 



Fig. 229. FACE AND 

 HELICER.E OF ARANEA 



Fig. 230. PEDIPALP OF TRACHELAS 

 en, endite sc, scopula sc, serrula 



near the extremity of the tarsus (Fig. 232). It is of the inter- 

 mediate type, the apical division of the bulb being separated 

 into two parts, the embolus and the conductor of the embolus. 



Fig. 231. HYPOCHILUS THORELLII (after Marx) 



The embolus is coiled about the conductor. The tarsus bears 

 a branch which supports a prominent bunch of bristles; this 

 may be a rudimentary form of paracymbium. 



258 



