Atfidfe of North America. 89 



Coloration: Ceplialothorax brown, darkest in eye region. Abdomen 

 bro^m with pale spots and clievrons. Palpi and legs pale with 

 black rings; first legs darkest; remaining parts dark brown or black. 



This species agrees with the genus Neon as defined by Simon, excepting 

 that all the legs are sj^ined. 

 Habitat: Pennsylvania, Canada (Collection of J. B. Tyrrell.) 



ZYGOBALLUS SEX-PUNCTATUS Hentz. 



Plate 1, figure 67. Plate VI, figures G7, 67a. 



Syn.: 1844. Attus sex-jounctatus H. , Jonvnal Bost. Soc. Nat. Hist., Vol. IV. 

 1875. " " id.. Coll. Arachn. Writ, by N. M. Hentz. 



Ed. by Burgess, p. 54. 



Total length 3 mm. "Width of abdomen .8 mm. 



Ceplialothorax: length 1.8; width 1.6; height .8. 



Legs 3.7, 2.3, 2, 3. 



Cephahc part growing wider to the dorsal eyes; general appearance from 

 above quadrangular, with iDrojecting corners behind dorsal eyes; dor- 

 sal eyes placed on sides, below dorsum, forming a row wider by the 

 amou.nt of their i^rojection than the ceplialothorax at that place. 

 Middle anterior eyes touching, lateral sub-touching; dorsal as large 

 as lateral eyes. Labium two-fifths as long as maxillse, as wide as 

 long. Metatarsi of the tliird and fourth legs with only terminal circles 

 of spines. 



Coloration: Ceplialothorax black with a spot of white hairs in front of each 

 dorsal eye, and one between the dorsal eyes. Clyi^eus black, thinly 

 covered with wliite hairs. Abdomen black with a white basal band 

 and six Avliite spots, two on each side near the middle of the dorsum, 

 and two near the apex. Palpi and falces bro^-n. Legs reddish or 

 broMTi, first and fourth pairs darker than second and third. Under 

 side black, Avith some white hairs on sternum and venter. 



Habitat: North Carolina, Georgia, Florida. 



ZYGOBALLUS BETTINI Nov. Sf. 



Plate I, figures 68, 68a. Plate VI, figures 68, 68a, OSti. 



$ . Total length 4.3 mm. Width of abdomen 1.7 mm. 

 Ceplialothorax: length 1.8; Avidth 1.8; height 1,3. 

 Legs 4.9, 3.3, 3, 4.4. 



$ . Total length 4.4 mm. Widtli of abdomen 3 mm. 

 Ceplialothorax: length 1.8; width 1.4; height 1.1. 

 Legs 4.4, 3.2, 3, 4.5. 



