Spiders and Their Near Relatives 



slender legs (Fig. 49), although some species have comparatively 

 short ones. The carapace is indistinctly if at all segmented. 

 The abdomen is not constricted off from the cephalothorax and 

 is short and broad. 



The sternites of the cephalothorax consist of a labium, which 

 is well-developed in some forms and greatly reduced in others. 



(Photograph by M. V . Slingerland) 

 Fig. 49- A HARVESTMAN 



and a sternum, which is more or less reduced as a result of either 

 the approximation of the coxa? or of a forward thrust of abdominal 

 sternites. 



The abdomen consists of nine segments, the anal tergite 

 being the ninth. But the sternites of the abdomen are more or 

 less reduced in number, sometimes to five, either by the con- 

 solidation of two or more or by the suppression of some of them, 

 or by both methods. The first abdominal sternite is termed the 

 genital; the second, the tracheal; and the eighth the anal. "In 

 many genera of the suborder Mecostethi the eighth abdominal 



