1902.] NATURAL SCIENCES OF PHILADELPHIA. 585 



(Numerous specimeus, but uo mature ^^^J^, from Philadelphia 

 and Chester county, Pa.) 



Eyes. — Fii-st row broader than the second by more tlian the 

 diameter of one of its eyes, lateral eyes larger and a little higher. 

 Eyes of second row about their diameter apart. Third row 

 broadest, its eyes a little larger than those of the second row, about 

 their diameter behind that row, and placed on tubercles. Dorsal 

 eye area about one-sixth the length of the cephalothorax. 



Form. — Cephalothorax broad and flat, highest at the posterior 

 eyes, in front more than one-half its greatest transverse diameter. 



Length of clielicera about If times the height of the head in 

 front. Sternum nearly as long as broad, nearly straight in front, 

 pointed behind. Legs slender. Superior spinnerets twice the 

 length of the inferior. 



Dimensions, ?. — Length of cephalothorax, 5.5 mm. 



Length of abdomen, 8.5 mm. 



Length of first leg, 24. 5 mm. 



Length of second leg, 24.5 mm. 



Length of third leg, 20 mm. 



Length of fourth leg, 24 mm. 



Color in Life, ?. — Cephalothorax above brownish -yellow, with 

 a broad brown median stripe from the posterior eyes to the end of 

 the thorax, an interrupted brown submargiual stripe on each side, 

 extreme margin of head brown ; all these brown areas are due to 

 the absence of hairs upon them, the yellowish-brown to the presence 

 of hairs which are longest on the sides of the head ; posterior eyes 

 on black tubercles. Sternum light yellowisii-brown, margins a 

 little darker. Abdomen above with a pale and indistinctly bounded 

 reddish-brown stripe, which is nearly as broad as the dorsum, 

 extends its entire length, and is scalloped along its posterior half; 

 bounding each side of the anterior third of this stripe is a narrow 

 yellow stripe, and on the posterior half of the dorsum on each side 

 a row of five yellow spots (in a line with these yellow stripes), 

 of which the most anterior are elongated and largest ; in the 

 median line of the anterior half of the broad reddish-brown dor- 

 sal stiipe is a slightly darker brown stripe, also bordered anteriorly 

 with narrow yellow lines, and with a row of five yellow spots 

 behind each of these lines. The sides are indistinctly streaked with 

 yellow and brown. The venter i)ale yellowish-brown, with a 



