No. 1.] ANT-LIKE SPIDERS OF THE FAMILY ATTID.E. 79 



Habitat. Chapoda, Brazil. Smith collection. 



This species is a questionable Synemosyna. The general 

 .shape of the cephalothorax is different, the constriction being 

 less striking. 



SYNEMOSYNA LAURETTA N. SP. 



PI. VII., Fig. 1, female; la, epigynum; lb and Ic, male 

 palpus. 



$ . Total length, 4 mm. 



Cephalothorax: Length, 2 mm.; width, .8 mm. 



Legs, 4312; all slender. 



1st leg longer than 2d by one-half tarsus. 



4th leg longer than 3d by tarsus and one-half meta- 

 tarsus. 

 ? . . Total length, 4.2 mm. 



Cephalothorax; Length, 2 mm.; width, .8 mm. 



Legs, 4312 ; all slender. 



1st leg longer than 2d by one-half tarsus. 



4th leg longer than 3d by tarsus and metatarsus. 



Cephalothorax low, with cephalic part strongly inclined, 

 and deeply constricted in the anterior part of the thorax. 

 Tlioracic part swelling out behind the constriction and then 

 tapering to the long, narrow pedicle. Abdomen shorter than 

 cephalothorax, rounded, with the hardened plate well devel- 

 oped on the upper surface in both sexes. Anterior row of eyes 

 plainly curved, with the middle eyes two and a half times as 

 large as the lateral. Falces short, weak, vertical, parallel. 

 CoxEe I separated by the width of the lip. Lip wider than 

 long. 



Color. Cephalothorax and abdomen black, with a white 

 band on each side in the thoracic constriction. Legs of first 

 pair having femur and patella white, with black lines along 

 the inner and outer surfaces, and the terminal three joints 

 black ; of second pair white, with a black line on the upper 

 surface of coxa, trochanter and femur; of third pair black, 

 excepting the metatarsus and tarsus, which are white ; of fourth 

 pair, with coxa black, trochanter white, femur black at the 



