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. Geplialotliorax 

 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), ^^^y ^^^h a darker tint. Coxoe light 



brown tipped with white, tubercular, fur- » 



nished at each lateral inferior margin with ^'^a r^ii:^: ; : :^ 



a row of minute spiny tubercles. Tro- 

 chanters light brown, spiny. Legs long and 



slender, light brown, furnished with rows 



of small, black acute tubercles. 

 Length. — Pennsylvania specimen, 5, body, 0.4; legs, (1) 1.3, (2) 



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



i. Penis, front and lateral 

 views (magnified). 



