4 PROCEEDINGS OF THE ACADEMY OF [Jan., 



Coxal pores in 1 series, round, 4,6,6,5. 



Gonopods of female with claw tripartite, the lobes rather short; 

 basal spines 2-2, or 3-3, stout, acutely pointed above middle, the inner 

 smallest. 



Length of body 11.5 mm.; width 10th plate 1.6 mm.; length of an- 

 tennae 3.3 mm. ; of anal legs 4 mm. 



Locality. — Near Glenwood Springs, Col. 



The types consist of four adults. 



