614 



ZOOLOGY 



SECT. 



Spiders. The abdomen is broad and marked out into a series of 

 eleven or twelve distinct segments ; in one of the genera of the 

 order there is a short post-abdomen formed of the last three 

 segments, with an elongated, many-jointed anal filament. The 

 chelicerse end in simple claws ; they are probably provided with 

 poison glands; the pedipalps are very long, either claw-like or 



FIG. 504. Galeodes dastuguei 9, natural size. 1 6, the six pairs of appendages 

 1, chelicerae ; 2, pedipalpi ; c, head ; th. thorax ; ab. abdomen. (From Lang, after Dufour.) 



chelate ; the first pair of legs are very long and slender, their 

 terminal part made up of numerous short joints like antennae. 

 There are eight eyes on the carapace, two larger central, and six 

 smaller marginal. 



The Solpugida (Fig. 504) have, at least superficially, the 

 appearance of being intermediate between the Insecta and the 

 other groups of Arachnida. The cephalothoracic region is divided 



