1904.] NATURAL SCIENCES OF PHILADELPHIA. 315 



Eyes. — First row broader than the second, much nearer to the second 

 row than the clypeal margin, middle eyes lower and slightly larger. 

 Eyes of the second row quite their diameter apart ( 9 ) or less (d^). 

 Third row broadest, its eyes on tubercles and nearly as large as those of 

 the second row. Dorsal eye area about one-seventh the length of the 

 cephalothorax. Quadrilateral of the middle eyes as long as Inroad ( 9 ) 

 or slightly broader than long (d^). 



Form (c^). — The d^ differs from the ? in the cephalothoracal out- 

 line being much more rounded, the head in front only one-third its 

 greatest transverse diameter, the clypeus vertical so that the eyes pro- 

 ject forward beyond it. The legs are very slender, the fourth longest 

 and 5.8 times the length of the cephalothorax, the first slightly longer 

 than the second, the third extending only to the end of the metatarsus 

 of the second. The palpal tibia has a large process on its external 

 surface as long as length of the tibia, and with a small tooth on the 

 ventral distal apex. 



Dimensions. d^ $ from Texas- 



Cephalothorax, 4.5 9.5 



Abdomen, 4 11 



Leg I, 25 35 



Leg II, 24 34.5 



Leg III, 21 32 



Leg IV, 26 40 



Color of Male (specimen from Austin, in alcohol). — Cephalothorax 

 pale yellowish-brown, sides below the submarginal white stripe darker, 

 otherwise as in the ? . Sternum pale yellowish-white with 3 pairs of 

 distinct dark spots. Abdomen with the dorsal pattern very distinct. 

 There is a dorso-median band along its entire length, yellow in color 

 and bordered on each side by a somewhat narrower blackish band con- 

 taining a row of 5 white spots, the two anterior of which are largest and 

 furthest apart, while the three posterior are connected with the corre- 

 sponding ones of the opposite side by transverse white lines; lateral 

 to each of these blackish bands is a broader greenish-brown stripe. 

 The sides are whitish, finely streaked with brownish. The venter is 

 pale yellow. Legs very pale yellow, metatarsi and tarsi a little darker. 

 Palpi pale yellow, the spine of the tibia and the lower surface of the 

 palpal organ black. 



Form (?). — Cephalothorax in front truncated straight, somewhat 

 less than one-half its greatest transverse diameter, its greatest diameter 

 barely equalling the distance from the third eye row to the posterior 

 margin, the cephalic portion not demarcated from the thoracic, highest 



