1902.] NATURAL SCIENCES OF PHILADELPHIA. 557 



row largest, circular, uot quite tlieir dianieler apart. Third row 

 wider than the second, the distance between its eves considerably 

 greater than the distance separating them from the second row. 

 Dorsal eye area not more tlian one-sixth the length of tlie 

 cephalotliorax. 



Form. — Ceplialothorax highest at the posterior eyes, in front a 

 little more than one-half its greatest transverse diameter. Sides of 

 the head steep. Chelicera less than twice the height of the head in 

 front, massive. Sternum longer than broad. Legs stout, thickly 

 covered with short hairs 



Dimensions. — Length of cephalothorax, cj', 11 mm.; 5, 

 12.5 mm. 



Length of abdomen, d', 9 mm. ; 9, 11 mm. 



Length of first leg, c?, 36 mm. ; ?, 35 mm. 



Length of second leg, c^, 33 mm. ; 9 , 32 mm. 



Length of third leg, d", 29 mm. ; $, 30 mm. 



Length of fourth leg, d^, 40 mm. ; 9, 40 mm. 



Color in Alcohol, 9. — Cephalothorax above dark reddish-brown 

 Avithout distinct markings, blackish around the eyes. Sternum 

 black. Abdomen above dull brown, a median darker (sometimes 

 indistinct) broad band on the anterior half, this band widest ante- 

 riorly and terminating bluntly at the middle ; sides above like the 

 dorsum, below yellowish-brown ; whole venter behind the lung 

 books black, epigynum reddish-brown as the spinnerets. Chelicera 

 reddish-brown with black and orange hairs antei'iorly and a bright 

 red prominence at the supero-lateral angle. Labium and maxillce 

 black or deep reddish-brown with lighter tips. Legs dull reddish- 

 brown, ventral surface of the coxre black, and each joint with 

 darker ends. Palpi reddish-brown. 



Co/npari-son.?. — This is one of the few of AValckenacr's species 

 which can be recognized with some certainty. 

 14. Lycosa inhonesta (Keys.). (PI. XXIX, figs. 21, 22.) 

 Tarentula inJionenta Keyserlinp;, 187<i. 



Tdvcntiihi tiiji-liia ]\r(-Cook, 1878. (Not valid as a diaguosis.) 

 Lyeox,! r>ilpi/><i KmiTton, 1885. 

 Lyco.sii ihjriiin (McCJook), Stone, 1890. 

 Lycosa calpina Etuerton, Banks, 1892. 



(Several specimens of both sexes from Chester county. Pa. ; 1 9 

 from Vincland, N. J., labeledln the liandwritiiig of Dr. McCook, 

 " Tarentula~tigrina, " may be his type.) 



