550 PROCEEDINGS OF THE ACADEMY OF [AugUSt, 



sides of the cephalothorax, \\ith distinct auuulations on all joints 

 except the metatarsi, the coxre beneath pale yellowish -brown. 

 Palpi colored like the legs. 



d'. Color in Alcohol. — Much like the 9. Cephalothorax a 

 very dark reddish-brown, median band clear reddish and broadest 

 in its anterior third, extending from middle eyes to posterior end 

 of thorax, in its anterior third divided by a median dark line 

 broadest anteriorly, long whitish hairs being present on each side 

 of this dark line; the median thoracal band is widest a little anle- 

 rior to the middle of the cephalothorax (where it is not quite as 

 wide as the distance between the eyes of the third row), is there 

 constricted and narrower posterior to this constriction; there is also 

 a rather indistinct broad submarginal band of reddish ; black bands 

 connect the eyes of the second and third rows. Sternum as in ?. 

 Abdomen above dull brown with a broad pattern of lighter 

 yellowish-brown, this pattern broadest anteriorly, narrowing toward 

 the spinnerets and enclosing in its anterior half a darker oval mark 

 with narrow black border; sides dull brown with paler stripings 

 ventrally; venter light reddish-brown, a line of indistinct small 

 dark spots on each margin, a median dark band extending from 

 the anterior edges of the lung books anteriorly to a distance of 

 one-fifth the length of the abdomen from the spinnerets posteriorly, 

 this median band concave anteriorly where it has a width equaling 

 the distance between the yellow lung books, and narrowed poste- 

 riorly where it ends blunth^, and to either side of this band minute 

 yellov.'ish spots. Chelicera reddish-brown, labium a little lighter 

 at tip, maxillae, yellowish-brown like th(} cox(je. Legs clear reddish- 

 brown, without darker rings, metatarsi a little lighter. Palpi 

 colored like legs. 



Comparisons. —A quite distinct species, resembling superficially 

 the young of L. Jrondicola Em. 

 9. Lycosa arenicola Seudder. (PI. XXIX, fig. 13.) 



Lycosa arcnicoUi Seudder, 1877. 



Lycosa nidi f ex Marx, 1881. 



Lycosa nidifex Marx, Everton, 1835. 



Lycosa arenicola Seudder, McCook, 1888. 



Lycosa arenicola Seudder, Marx, 1889. 



Lycosa arenicola Seudder, Stone, 1890. 



Lycosa domifex Haneock. 1899. 



(Specimens from Caj^e May and Pt. Pleasant, N. J., in Stone 

 Coll. , but no mature cf. ) 



