296 PROCEEDINGS OF THE ACADEMY OF [March, 



end, the posterior dedivity not being separable from the dorsal outline. 

 It is very high at the posterior eyes, and the cephalic portion is marked 

 off from the thoracal on each side by a groove ; the sides of the head are 

 oblique and the cheeks very broad. Chelicera massive with a large 

 macula basalis, with three pairs of teeth, longer than clypeus wide, in 

 length about 2.5 times the height of the head from the clypeal margin 

 to the superior border of the second eye row, at the base almost as 

 thick in an antero-posterior direction as one-half their length. Ster- 

 num much longer than broad. Labium longer than wide, not one-half 

 the length of the maxillae, apically concave. Posterior spinnerets 

 longest. Epigynum very large. First leg noticeably thicker than the 

 others, particularly its three terminal joints which are thickly covered 

 below with scopulse. Scopulse are also present upon the tarsus, meta- 

 tarsus and distal half of the tibia of II, and on the tarsi of III and IV. 

 Fourth leg to cephalothorax, d" 3.3 : 1, ? 2.7 : 1. Metatarsus IV 

 shorter than patella with tibia combined. 



Dimensions. <^ $ 



Cephalothorax, 8.5 10 



Abdomen, 7 8 



Leg I, 27 25.5 



Leg II, 24.5 22 



Leg III, 22 20.5 



Leg IV, 28.3 27 



Color of Females (in alcohol). — Cephalothorax with few and only short 

 hairs; clear to dark reddish-brown in the cephalic portion, this clear 

 area constricting anterior to the dorsal groove, then enlarging again 

 around this groove ; sides darker, interrupted by reddish bands radiat- 

 ing from the dorsal groove, the extreme margin black. Sternum yellow 

 to yellowdsh-gray. Abdomen above dull brown to chocolate-brown 

 without any distinct pattern on the dorsum; at each antero-lateral 

 angle a large elongate black spot ; sides behind this mark paler brown ; 

 venter very pale yellow along its whole extent, or else a little darker 

 behind the rima epigastrica. Epigynum clear reddish-brown. Spin- 

 nerets brown. Chelicera and labium dark reddish-brown, jnaxillce 

 yellowish. Legs without annulations, above reddish-brown (usually 

 paler than the light portion of the cephalothorax), below the coxae, 

 femora and patellae lighter (of the same color as the sternum) ; owing 

 to the thick scopulae the inferior surfaces of the tibiae, metatarsi (also 

 the dorsal portion of the distal half of these), and the tarsi of I are 

 black, as of the tibia, metatarsus and distal half of the tibia of II, and 

 of the distal ends of the tarsi of III and IV. 



