268 PROCEEDINGS OF THE ACADEMY OF [March, 



b. 2. — Cephalothorax from 2.2-3.5 mm. in length. 



c. 1. — Stern mn not darker than the cox», . . . pauxiUa. 

 c. 2. — Sternum much darker than the coxa^. 



d. 1. — Cephalothorax with distinct median and sub- 

 marginal light bands. 

 c. 1. — Cephalothorax in front one-half its greatest 

 transverse tliameter, flavipcs Keyserling. 

 (?. 2. — Cephalothorax in front less than one-half its 

 greatest transverse diameter. 

 /. 1. — Legs hairy, posterior half of abdominal 

 dorsum with scattered light spots, 



77iercurialis. 

 f. 2. — Legs with very few hairs, posterior half 

 of abdominal dorsum with a row of 

 5-6 large transverse light spots, 



nigropalpis. 

 (L 2. — Cephalothorax without a light submarginal band, 

 and with the median band indistinct, 

 c. 1. — Coxse, trochanters and femora above darker 

 than the other joints of the legs, 



lapidicina. 

 e. 2. — Coxae, trochanters and femora not darker 

 than the other joints of the legs, 



iachypoda. 



Pardosa pauxilla n. sp. PI. XIX, figs. 22, 23. 



(Numerous males and females, Austin, Texas.) 



Eyes. — First row nearer the second than the margin of the clypeus, 

 shorter than the second, the middle eyes higher and twice as large as 

 the lateral. Eyes of second row largest, about 1.75 times their diame- 

 ter apart. Dorsal eye area one-fourth the length of the cephalo- 

 thorax. Quadrilateral of the posterior eyes wider than long. 



Form. — Cephalothorax in front trmicated and not Cjuite one-half its 

 greatest transverse diameter, highest at the posterior ej'cs. The head 

 is steep on the sides, proportionately much higher in the male. The 

 chelicera are shorter than the width of the clypeus, M-eak, not more 

 than L3 times the height of the head in front. Sternum longer than 

 broad. Labium wider than long, apically rounded, less than one-half 

 the length of the maxillse. The legs are long and slender, leg IV to the 

 cephalothorax, c? 4:1, 9 4.2 : 1; metatarsus IV longer than the 

 patella and tibia combined. Posterior spinnerets fully 1.5 times the 

 length of the anterior. $ palpal claAV with 3 teeth. Four ventral 

 pairs of spines on tibia I. c? palpus large, quite as long as the cephalo- 

 thorax, tibia and tarsus thickened, two rows of long hairs on the 

 inferior surface of the femur; tibia and tarsus with long hairs on the 

 median and lateral aspects. 



