chamberlin: the arachnida. 283 



Lycosa sp. d. 



An immature female of uncertain species from Santa Ana, 3,000 

 feet, August. (M. C. Z. 280). 



Lycosa sp. e. 



An immature female from the Conservidayo River collected in 

 August. (M. C. Z. 281). 



Lycosa liopus,^ sp. no^■. 

 Plate 24, fig. 4. 



Carapace with sides - brown, a supramarginal stripe on each side 

 and a broad median longitudinal stripe light testaceous, the latter 

 stripe narrowed between eyes and again gradually narrowing caudad, 

 not distinctly constricted in front of the groove; lateral margins 

 dusky. Hair of the light stripes when dry grey or somewhat brownish 

 grey. Sternum and legs light testaceous, the femora of legs beneath 

 paler, more yellow ; legs without any markings. Labium dusky except 

 across tip. Endites light chestnut, tips pale. Chelicerae chestnut. 

 \^enter of abdomen yellow, dorsum and sides darker, especially across 

 anterolateral corners; dorsum with a median wedge-shaped black 

 mark at base, the mark abruptly narrowed into a narrow tongue 

 caudad. 



Anterior row of eyes shorter than the second; clearly procurved 

 median eyes with diameter larger than that of laterals in ratio 16: 13, 

 their radius apart and only half as far from the laterals. Anterior 

 median and anterior lateral eye each its diameter from the lower 

 margin of clypeus. Eyes of second row greatly exceeding those of 

 the first, their diameter being to that of the anterior medians as 2:1; 

 not fully two thirds their diameter apart (9/16) scarcely one third 

 their diameter from anterior median eyes. Eyes of third row about 

 seven eightlis the diameter of the second, between 2.25 and 2.5 times 

 their diameter apart. Length of cephalothorax to length of area of 

 four posterior eyes as 4.75: 1. 



Lower margin of furrow of chelicerae with the usual three teeth, 

 these stout, conical, and subequal. 



• Xeios, smooth, tovs. foot. 



