306 PROCEEDINGS OF THE ACADEMY OF [May^ 



Length of leg III, 4,2 mm. 



Length of leg IV, 6.1 mm. 



Male. — Coloration darker than in the female. Cephalothorax nearly- 

 black. Abdomen nearly as in female but the venter darker. Chelicerce 

 black. Legs yeUow except the femora of the first two pairs which are 

 black. Femur of palpi black, the other joints paler. 



Total length, 2.9 mm. Length of cephalothorax, 1.7 mm. 



Svn. — 1903. Pirata humicolus Montgomery, Proc. Acad. Nat. Sci. Pliila., 



-p. 654. 

 1904. Aulonia humicola, Montgomery, Proc, Acad. Nat, Sci. Pliila. p. 265, 

 PI. XX, fig. 33. 



Locality. — ^Pennsylvania, 



Known localities. — ^Pennsylvania!, New Jersey. 



Firata montanus Emerton, 1885, 



(Tr. Conn. Acad, Sci., p. 493, PI. 48, fig. 9.) 



Female. — Sides of cephalothorax deep brown or blackish with no 

 lighter marginal stripes ; a yeUow or reddish-yellow median stripe 

 beginning at the clypeus enclosing the dorsal eyes and then narromng 

 caudad, ending as a pointed line on the posterior declivity; median 

 band enclosing in front of dorsal groove a dark stripe which bifurcates, 

 sending one of its branches forward to and along the inner margins of 

 the eyes of each side; eyes enclosed with black; in life on each side a 

 marginal line of white hair, Chelicerce dark brown, paler distally, 

 the tips of claws reddish. Labium and endites brown, lighter distally 

 as usual. Sternum brown, a dark line or row of dark spots on each 

 side, the two converging caudad. Legs yeUow, without markings ex- 

 cepting sometimes faint annuli on femora. Abdomen above black; a 

 reddish-brown median lanceolate stripe at base extending to middle; 

 each side of apex of this stripe a reddish spot and behind a number of 

 chevron-shaped transverse marlcs; all these marks may be indistinct 

 and sometimes the basal stripe alone is distinguishable; in life there is 

 on each side a series of about six spots of light yehow hair; sides 

 colored like the dorsum but in life more densely pubescent; a short 

 line of yellow hair passing back across each antero-lateral angle, the 

 sides elsewhere being clothed with black hairs with more scattered ones 

 of yellow; venter brown, clothed with yellowish gray pubescence. 

 Spinnerets brown, Epigynum reddish black. 



Sides of jace steep, but evidently diverging outward below. 



First row of eyes nearly as long as the second, a little procurved ; anterior 

 median eyes more than half their diameter apart (nearly three-fourths), 



