Attiche of North America. 43 



ATTUS PALUSTRIS Peckham. 



Plate I, figure 30. Plate III, figures 30, 30a. 



Syn.: 1883. Attvq palustris P., Descr. new or little known Attida3 of 

 U. S., p. 25. 



$ , Total length 5 mm. Width of abdomen 2 mm. 



Cephalothorax : length 2.7; width 1.6; height 1. 



Legs 4.6, 3.6, 3.4, 4.4; patella and tibia of the first, 1.9; patella and tibia of 

 the third, .9; j)ateUa and tibia of the fourth, 1.7; metatarsus and tar- 

 sus of the fourth, 1.3. 



? . Total length 5.3 mm. Width of abdomen 2.4 mm. 



Cephalothorax: length 2.1; width 1.8; height 1.2. 



Legs 3, 2.7, 2.5, 4.2; pateUa and tibia of the first, 1.1; patella and tibia of 

 the third, .9; patella and tibia of the fourth, 1.5; metatarsus and tar- 

 sus of the fourth, 1.4. 



Cephalothorax moderately high, and convex, very slightly dilated behind 

 dorsal eyes, Avith sides nearly vertical in front, rounded behind; 

 cephalic part inclined; thoracic part falls gradvially in the first half, 

 then steeply. Ocular area occupying two-fifths of cephalothorax, 

 nearly twice as wide as long, a little wider behind than in front. 

 Anterior eyes on a ridge, in a straight row; middle eyes touching; 

 lateral one-half as large as middle eyes, separated from them by one- 

 half their own diameter; eyes of second row shghtly nearer lateral 

 than dorsal eyes; dorsal a httle smaller than lateral eyes, further 

 from each other than from lateral borders, formiag a row as wide as 

 cephalothorax at that place. Clypeus one-half as high as middle 

 eyes, inclined backward. Falces extending to inner edges of lateral 

 eyes, twice as long as face, flat, vertical, divergent; fang weak. 

 Maxilla? parallel, short, enlarged and rounded at extremity. Labiima 

 a little more than one-half as long as maxiUas, as wide as long, (?) 

 rounded, ( $ ) more pointed. Sternum oval, not one-half longer than 

 wide. Anterior coxa? separated by more than width of labiiun. 

 Legs of the first pair a little stoutest; femoral, tibial and metatarsal 

 spines on the four pairs; metatarsi of the fourth spined throughout 

 their length. 



Coloration: S . Cephalothorax dark brown, reddish toward eyes, nearly 

 black behind; three white lines begin at the posterior end and run 

 forward; the median line ends before reacliing the anterior eyes; the 

 lateral lines pass just outside the dorsal eyes and inside the small 

 median eyes, and are connected by a transverse white line which 

 crosses the eye region just above tlie anterior eyes; there is sometimes 

 a less distinct white line behind the dorsal eyes, which, with the median 

 longitudinal line, forms a white cross; the margin has a narrow line 

 of white hairs which appear to be combed upward. Clypeus brown 



