1908.] NATURAL SCIENCES OF PHILADELPHIA. 289 



Length of leg III, 6.3 mm. 



Length of leg IV, 9.4 mm. ; tib. + pat., 3 mm. ; met., 2.8 mm. 



Syn. — 1904. ITrochosa noctuabunda, Montgomery, Proc. Acad. Nat. Sci. 

 Pliila., p. 301. 



Locality. — Ijouisiana. 



One mature and one immature female collected at Baton Rouge by- 

 Mr. B. H. Guilbeaux. 



AUooosa parva (Banks), 1894. 



(Sub Trochosa, J. N. Y. Ent. Soc, II, p. 52.) 



Male. — Cephalothorax with a wide paler median band, anteriorly 

 wider than eye area; eye region blackish; sides deep brown to shining 

 black; a row of indistinct dots on each side; the paler band clothed 

 with sparse gray pubescence, especially anteriorly; dark parts with 

 sparse gray and brown hairs intermixed ; tending to be glabrous except 

 about eyes and face. Chelicerce reddish brown. Labium and endites 

 brown. Sternum blackish, brown at middle and along sides clothed 

 with gray pubescence and long blackish bristles. Coxce of legs beneath 

 yellow. Legs yellow with distinct black rings on all joints except tarsi. 

 Abdomen above grayish or yellowish gray, being clothed with light 

 gray and some yellow hair; dorsum at base with a black lanceolate 

 outline and behind with a number of black chevron-shaped marks 

 and also laterally with some dark spots; venter gray, immaculate, 

 Spi7inerets brown. Palpi brown, not ringed, the tarsi darker than 

 other joints. 



Cephalothorax wide behind and much narrowed anteriorly, being 

 only about one-half as wide across eyes as behind, i'^ace with sides 

 convex and slanting, in height one-half the length of the chelicerse; 

 in profile dorsal line is seen to be highest near third eye row, and 

 gently convex between eyes and posterior declivity. 



Anterior row of eyes slightly procurved, as long as the second row; 

 anterior median eyes clearly larger than the lateral, more than their 

 radius apart, close to lateral eyes; anterior lateral eyes their diameter 

 from front margin of clypeus and from eyes of second row ; eyes of second 

 rownotlarge,nearly their diameter apart; quadrangle of posterior e3^es 

 one-fifth the length of cephalothorax. 



Tarsi and metatarsi of the first and second pairs of legs scopulate as 

 usual; tarsi of the third and fourth pairs setose, not at all scopulate; 

 patella of second legs armed in front with a single spine; tibia + patella 

 of fourth legs a little shorter than cephalothorax, longer than meta- 

 tarsi of fourth leg; patella of third leg of about the same length as the 



