No. 1.] ANT-LIKE SPIDERS OF THE FAMILY ATTIDM. 13 



in this respect from preceding genera. Falces ( $ ) inclined for- 

 ward; ( ? ) vertical. Legs ( S ) 1432 ; ( 9 ) 4132. 



This genus is found in Central and South America. 

 We have two species. 



LEPTORCHESTES. 



Rather large spiders. Cephalothorax rather long and nar- 

 row. Quadrangle of eyes almost equally wide and long, wider 

 behind than in front, occupying about one-half of the cephalo- 

 thorax. Falces vertical. Legs 4132. This genus has not been 

 found in the Western Hemisphere. We have one new species, 

 from Madagascar. 



HERMOSA. 



Spiders large. Cephalothorax rather long, rounded above. 

 Quadrangle of eyes wider than long, wider behind than in 

 front, occupying two-fifths of the cephalothorax. Falces short, 

 oblique, robust. Legs 4132. One species, from Madagascar. 



EMERTONIUS. 



Thoracic part of cephalothorax raised into a ridge, Avith 

 the posterior slope concave (see drawing). Quadrangle of eyes 

 wider than long, wider behind than in front, occupying nearly 

 one-half of the cephalothorax. First row of eyes curved down- 

 ward. Falces inclined forward, diverging, robust. Legs 4132. 

 One male, from Java. 



ERICA. 



Cephalothorax about twice as long as wide, sides nearly par- 

 allel, thoracic part with a constriction, behind which it is 

 rounded. Quadrangle of eyes wider than long, Avider in front 

 than behind, occupying tAvo-fifths of the cephalothorax. Falces 

 short, vertical. Legs 4312. One species, from South America. 



FLUDA. 



Cephalothorax plainly narrower behind than in front. 

 Thoracic part with a depression, behind which it rises into 

 a ridge and then falls abruptly. Quadrangle of eyes Avider 

 than long, A\ader in front than behind, occupying one-half of 

 the cephalothorax. Falces vertical. Legs 4312 or 4182. Tavo 

 species from South America. 



