THORELL ON ARANE^ OF COLORADO. 529 



of the first pair of legs. Tibia as wide as long; ou the outer side two curved 

 processes, the outer seen from above or below, shaped like 

 the point of a fish-hook, the inner rounded and widened at 

 the end. Bulb of the palpal organ as thick as wide, the 

 penis starting from the upper portion, and curved toward 

 the point of the tarsus on the inner side, a soft whitish ap- 

 pendage lying parallel to the penis. On the opposite side 

 of the palpal organ is a jDointed tooth, extending over the 

 edge of the bowl of the tarsus. Anterior row of eyes 

 slightly curved downward, the lateral a little larger than 

 the middle pair, placed a little lower and half as far from 

 the middle eyes as these from each other. Upper row of 

 eyes a little longer than the front row, the lateral eyes I'lo- 19— x)ras««s 



.111 .1 coloradensis, Emer- 



turned outward, and farther from the middle eyes than ton.n.sp., cT. 

 these from each other. 

 One <? from Gray's Peak. 



