Attidce of Nortli America. 75 



five white spots. Palpi pale with white hairs. Other parts like S 

 excepting that the legs are paler. 

 Habitat: California. 



CYRBA T^NIOLA Hentz. 



Plate I, figure 56. Plate IV, figure 5Ca. Plate V, figures 56, 56b. 



Syn.: 1845. Attus tmniola H., Journal Bost. Soc. Nat. Hist. Vol. V. 



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



Ed. by Burgess, Boston, p. 56. 



$. Total length 4 mm. Width of abdomen 1.8 mm. 



Cephalothoi-ax: length 2.2; width 1.8; height 1.2. 



Legs 4.8, 3.6, 3.6, 5.1; patella and tibia of the first, 2; patella and tibia of 

 the third, 1.3; patella and tibia of the fourth, 2.2; metatarsus and 

 tarsiis of the fourth, 1.7. 



? . Total length 6.7 mm. Width of abdomen 2.2 mm. 



Cephalothorax: length 2.7; width 2.1; height 1.2. 



Legs 4.4, 3.6, 3.7, 4.9; patella and tibia of the first, 2; patella and tibia of 

 third, 1.6; patella and tibia of the fourth, 2.3; metatarsus and tarsus 

 of the fourth, 1.7. 



Cephalothorax low, flat, sides nearly parallel, and almost vertical in front, 

 rounded behind; cephalic part a little incUned; thoracic part almost 

 level in anterior three-fourths, then falling abruptly. Ocular area 

 occupying a Little less than one-half cephalothorax, one-third wider 

 than long, equally wide in front and behind. Anterior eyes project- 

 ing, in a straight row; middle eyes touching; lateral one-half as 

 large, and scarcely separated from raiddle eyes; eyes of second row- 

 nearer lateral than dorsal eyes; dorsal not so large as lateral eyes, 

 further from each other than from lateral borders, forming a row- 

 nearly as wide as cephalothorax at that place. Clypeus vertical, one- 

 fifth as high as middle eyes. Falces but little wider than the two 

 middle eyes, one-half longer than face, vertical, parallel; fang weak 

 and short. Maxillae widely separated, parallel, long, a little enlarged 

 and rounded at extremity. Labium one-half as long as maxillae, a 

 little longer tlian wide. ( $ ) truncated, narrower than in ? , ( f ) 

 blunt. Sternum not pi'ojecting between anterior coxte, rounded in 

 front and behind, ( i ) one-fourth longer than wide, (?) twice as long 

 as wide. Anterior coxae nearly touching. Legs of the first much the 

 stoutest, with femoral joints compressed; tibial and metatarsal spines 

 on the four pairs; metatarsi of tlie fourth spined tlirougliout their 

 length. 



Coloration: Cephalothorax lilaek, with lower margin white. Abdomen 

 black with two longitudinal rows of white dots or abbreviated lines. 

 Clypeus. falces, moutliparts. sternum, coxa?, palpi and venter black. 



