32 WOOD, 



end. Trochanters black. Legs dark brown. Penis robust, somewhat 

 flattened, distally alate, bent through its entire length with a double 

 bow-like curve ; at its distal extremity blunt, not bent, with a sharp, 

 slender, straight, projecting point. 



Length of body, $ , 4. Length of legs, ? , (1) 1, (2) 1.6, (3) 1, 

 (4) 1.3. 



REMARKS. In this species there are no marked differ- 

 ences between the males and females. I have found them 

 in the woods in different parts of Pennsylvania. I also 

 have specimens collected in Western Virginia, by Prof. 

 E. D. Cope. 



13. Phalangium ventricosum WOOD (nov. sp.). 

 FEMALE. Body large. Dorsum reddish brown, with a blackish, 

 vase-shaped central marking, sometimes strongly pronounced, some- 

 times obsolete, and minute lightish spots, 

 which, on the abdomen are more or less 

 irregularly arranged in transverse se- 

 ries ; closely granulate. Cephalothorax 

 about as distinctly separated from abdo- 

 men as in previous species. Eye emi- 

 nence moderately pronounced, black with 

 a double crest of rather small black acute 

 tubercles. Palpi light brown, rather 

 long and slender, furnished with minute 

 spiny tubercles, which are more pro- 

 nounced at the joints and on their prox- 

 imal portion, pilose, not branched, their 

 angles not prolonged. Segmentation of 

 the abdominal scutum not very marked, 

 more so posteriorly than in P. maculo- 

 sum. Ventral surface smooth, light brown 

 with abdominal segments often bordered 



posteriorly with a lighter, and anteri- 

 7. Supposed male (natural size). orly with a darker tint> CQX(R lig]lt 



brown tipped with white, tubercular, fur- 

 nished at each lateral inferior margin with 

 a row of minute spiny tubercles. Tro- 

 chanters light brown, spiny. Legs long and 

 slender, light brown, furnished with rows la. Penis, front and lateral 

 of small, black acute tubercles. 



Length. Pennsylvania specimen, $, body, 0.4; legs, (1) 1.3, (2) 

 2.5, (3) 1.3, (4) 2. 





