1904.] NATURAL SCIENCES OF PHILADELPHIA. 285 



posterior two pairs with the tibia blackish at the ends and yellow in 

 the middle, the metatarsi 3'ellow at the ends and blackish in the middle; 

 each coxa below with an elongate yellow spot proximalh*. 



Comparisons. — Most nearly related to L. pictilis. but they differ 

 noticeabh^ in epigynum and coloration. 



Lycosa nigra Stone. PI. XX, figs. 40, 41. 



Lijcosa nigra Stone, 1890. 



Lycosa nigra Stone, Montgomery, 1902. 



(Of this species, hitherto known only by the 9 , an adult cJ' and 9 

 were loaned to me by ]Mr. J. H. Emerton, collected in Long Island, 

 New York.) 



Eyes. — First row shorter than the second, equidistant from the 

 second row and the clypeal margin, straight, eyes equidistant, middle 

 eyes slightly larger. Eyes of second row largest, almost 1.5 times 

 their diameter apart. Eyes of third row fully twice their diameter 

 behind the second row, this row scarcely broader than the second in 

 the d^ , distinctly broader in the 9 . Dorsal eye are to length of cepha- 

 lothorax as 1 : 4.75. Quadrilateral of the posterior eyes as broad as 

 long in the d^ , broader than long in the 9 . 



Form. — Cephalothorax in front rounded, almost one-half its greatest 

 transverse diameter in the 9 , not one-third this width in the cJ' , 

 highest at the posterior eyes, sides of the head almost vertical in the (^ , 

 more oblique in the 9 . Labium distinctly longer than broad, narrow, 

 not quite one-half the length of the maxillae, its sides almost parallel, 

 obliqueh^ truncated at the tip. Chelicera in length almost twice the 

 height of the head in front, rather weak but arched anteriorly. Ster- 

 num large, much longer than broad, continued between the pos- 

 terior coxae. (J* palpus almost as long as the cephalothorax. Legs 

 rather stout, short, without scopulae, with very few hairs and short 

 spines. Anterior spinnerets longest. Leg I^' to cephalothorax. 

 3.1 : 1 ; metatarsus IV shorter than patella and tibia combined. 



Dimensions. c" 9 



Cephalothorax 2.3 2.3 



Abdomen, 2.8 



Leg 1 5 



Leg II, 4.5 



Leg III, 4.3 



Leg IV, 7.3 7.2 



Color of Female (in alcohol). — Cephalothorax uniform shining black, 

 hairless, with a reddish tone, clypeal margin a little lighter. Sternum 

 the same color, also hairless. Abdomen above greenish-brown with a 

 median yellow band on the anterior third, this band pointed at both 



