No. 1.] ANT-LIKE SPIDERS OF THE FAMILY ATTIIK-E. 81 



which thej' are separated by a well marked constriction ; the 

 part of the thorax posterior to tliis constriction is highest in the 

 middle and slants off to form the narrow pedicle by which it is 

 united to the abdomen. The clypeus is almost as high as the 

 the anterior eyes. The palpus is long and slender ; the falces 

 are stout, long, vertical, and slightly divergent; the maxillse 

 are more than twice os long as the labium, and the sternum is 

 long, truncated in front, and narrows to a point behind. The 

 abdomen consists of an anterior and posterior part, joined by a 

 long, narrow neck. 



Color. Cephalic and anterior thoracic parts jet black and 

 glabrous; posterior thoracic part pale yellow. Palpus black. 

 The patella, tibia and metatarsus of the first pair of legs are 

 black on the inner side; otherwise all the legs are yellowish, 

 with a darker coloring toward the distal end of the fourth pair. 

 Sternum and mouth parts yellowish. Abdomen light yellow, 

 with indistinct, darker, transverse bands throughout its 

 length. 



Habitat. Guatemala. 



SIMONELLA MYKMECI^PORMIS TACZ., 1874. 



Pi. VII., Figs. 4, 4a, 4b and 4c, male palpus. 

 S . Total length, 7.5 mm. 



Cephalothorax : Length, 3.2 mm.; width, 1 mm. 



Legs, 4312; equally stout. 



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



4th leg longer than 3d by tarsus and three-fourths of 

 metatarsus. 

 9 . Total length, 6.8 mm. 



Cephalothorax: Length, 2.5 mm.; width, .9 mm. 



Legs, 4312. 



Cephalic part high, with almost vertical sides; thoracic 

 part lower, rounded, separated from cephalic by a deep con- 

 striction. Eyes of the first row three times as large as those of 

 second, touching. Eyes of third row, in the male, half-way 

 between second and fourth rows; in the female, nearer the 

 second row. Fourth row as wide as cephalothorax at that 



