1903] NATURAL SCIENCES OF PHILADELPHIA. 



651 



Dimensions. 



Length of third leg 10.5 nun. 



Length of fourth leg 1^-^ 



Color in alcohol— Cephalothorax above with a clear reddish-yellow 

 median band extending from the second eye row to the posterior edge 



of the thorax; this band is broadest close behind the posterior eyes, 

 there fully as broad as the eye area and enclosing on each side an 



elongate darker mark and a dark line between the posterior eyes, it is 

 notched at the middle of the thorax and becomes narrower behind this 

 point ; a narrow line of the same color borders the eye area laterally 

 and anteriorly ; to each side of the median band the thorax is darker 

 brown with a rather indistinct submarginal, yellowish band, and with 



■ blackish stripes radiating from the dorsal groove. Sternum pale 

 yellowish-brown, like the inferior surfaces of the coxa. Abdomen 

 above dull brownish obscurely mottled with yellowish, the brown form- 

 ing an indistinct median and a pair of lateral bands on the anterior 

 half; sides and venter clear yellowish-brown, with small brown spots 

 most numerous near the spinnerets; the latter deep reddish-brown. 

 Chelicera deep rvifous-red, maxilla a little paler, labium nearly black 

 with a lighter tip. Legs reddish-yellow, about the color of the median 

 cephalothoracal band, ringed with darker brown on the femora and 

 patellffi, more distinctly above than below, and with more obscure 

 annulation on the tibia?. Palj)i colored like the legs. 



Coni'parisons.—Th.is specimen agrees very closely with Keyserling's 

 description. It has certain resemblances to L. niqraurata Montg. (of 

 which only thed^ is known), but is smaller and with a different colora- 

 tion, particularly of the thorax and the venter. It also resembles L. 

 rufiventris Banks, especially in the form of the epigynum, but rufi- 

 ventris is slightly larger and has the "abdomen above and below red- 

 brown like the sternum." 



15. Lycosa pratensis Emert. 



Two females from Wood's Hole. 



Eyes. — First row as wide as the second, its middle eyes larger than 

 its lateral. Eyes of second row largest, their diameter apart. Eyes 

 of the third row nearer to the second row than to each other. Dorsal 

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



Fonn.— Cephalothorax highest just in front of the dorsal groove, 

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

 of the chelicera about one and a half times the height of the head in 

 front. Sternum longer than broad. Legs stout. 



