Superfamily Argiopoidea 



side are not so widely separated as are the anterior median and 

 posterior median eyes. The chelicene in both sexes are shorter 

 than the cephalothorax, those of the female are only a little more 

 than half as long as the cephalothorax. 



This is a smaller species than T. elongata; the female measures 

 from one fourth to three eighths inch in length. The abdomen 



Fig. 424- TETRAGNATHA ELONGATA, FEMALE 



is only a little more than twice as long as the cephalothorax; it 

 is proportionately shorter than that of either the preceding or 

 the following species. 



Tetragnatha laboriosa (T. la-bo-ri-o'sa). — The lateral eyes 

 of each side are widely separated, being about the same distance 

 apart as are the anterior median and the posterior median eyes; 



412 



