228 PROCEEDINGS OF THE ACADEMY OF . J^ [May, 



truncate or slightly incurved mesally. Legs long and stout, tibia + 

 patella of fourth legs distinctly longer than the cephalothorax, the 

 latter being a little longer than tibia + patella of first legs ; tarsi of first 

 legs a little curved, those of second legs more slightly so; patella of 

 fii-st legs unarmed ; patella of second legs with a single spine on anterior 

 side; spines of anterior tibi£e as usual; both tarsi and metatarsi of three 

 anterior pairs of legs scopulate; scopulfe of third and fourth pairs 

 divided. 



Epigynum somewhat oval in outline, with posterior end truncate; 

 guide inversely T-shaped, the septal part enlarging at or above its 

 middle; guide plates widest on transverse arms, narrowing and fading 

 out at middle of septum ; furrows broad anteriorly, narrowed strongly 

 behind by the abrupt bulging in of the lateral tubercles. (PI. X\'II, 



fig. 1.) 



Total length, 19.5 mm. Length of cephalothorax, 8.2 mm.; width, 

 6.8 mm. 



Length of leg I, 22.8 mm. ; tib. 4- pat., 8 mm. ; met., 4.5 mm. 



Length of leg II, 20.2 mm. 



Length of leg III, 19.3 mm. 



Length of leg IV, 27.8 mm. ; tib. + pat., 9 mm. ; met., 7.8 mm. 



Male. — Much smaller than the female with relatively longer legs. 

 Cephalothorax above and legs nearly as in the female or lighter. Ster- 

 num usually more brownish, often divided by a median light line; 

 clothed with long light gray hair. Coxce of legs beneath light brown 

 like the other joints of legs. Abdomen colored above as in the female; 

 lower portion of sides and the venter lighter yellow or grayish bro^^-n, 

 immaculate or nearly so. Palpi yellowish brown, the tarsus darker. 



^■'iewed from above, the tibia is scarcely longer than the patella and 

 is of the same thickness ; the tarsus equalling the length of the two pre- 

 ceding joints together; apical portion of tarsus long, seen from below 

 very gradually attenuated, not acute apically. Tenaculum long and 

 slender, projecting ecto-distally, a smaller but similar secondary tenacu- 

 lum mesalh' from this and commonly in part or whole concealed. For 

 further structure of bulb see PI. XVII, fig. 2. 



Total length, 11.2 mm. Length of cephalothorax, 5.7 mm.; width, 

 4.2 mm. 



Length of leg I, 17.8 mm. ; tib. + pat., 6.1 mm. ; met., 4.1 mm. 



Length of leg II, 15.8 mm. 



Length of leg III, 13.9 mm. 



Length of leg IV, 21.2 mm. ; tib, + pat., 6.6 mm. ; met., 6.1 mm. 



Syn. — 1837. ILycosa sayi Walckenaer, Insect. Apt., 1, p. 337. 

 1846. Lycosa babingtoni Blackwall, Ann. and Mag. N. H., 17, p. 30. 



