I 



The Arachnida of Coloi'ado. 42'7 



Xysticus gulosus Keys. 



Fort Collins, under stones and on low herbage. Quite common. 



Xysticus ciinctator Thor. 



A'. qi(iiiqiic2)i(ncfafiis Keys. 

 AT. lenii< Keys. 



Fort Collins, sweeping alfalfa, May, June; Boulder, July (Tho- 

 rell). A', lenis is an immature form of A'. 5-puiictatus, which is, 

 I think, Thorell's species. It is quite common. 



Xysticus discursans Keys. 

 X. pulvtrulentus Em. 

 Fort Collins, sweeping low Jierbage, May; Dixon's Canon, 

 under stones, March. 



Xysticus funestus Keys. 

 Recorded by Dr. Marx. 



Xysticus nigromaculatus Keys. 



One female. Fort Collins (Baker). 

 Xysticus stomachosus Keys. 



Recorded by Dr. Marx. 

 Xysticus quadrilineatus Keys. 



Fort Collins, under stones. Not uncommon. 



Xysticus montanensis Keys. 

 X. bimacuhduf Em. 



One female, Fort Collins (Gillette). 

 Xysticus limbatus Keys. 



Fort Collins, sweeping low herbage, September (Gillette). 

 Xysticus formosus Bks. 



Fort Collins, one specimen not quite adult (Gillette). 

 Xysticus vemilis Keys. 



West Cliff (Cockerell). 

 Xysticus triguttatus Keys. 



Recorded b}' Dr. Marx. One female, Fort Collins, June (Baker). 

 Xysticus gramineus Em. 



Fort Collins, one male, sweeping low herbage, Maj^ (Baker). 

 Oxyptila conspurcata Thor. 



Fort Collins, under stones. November (Baker). Manitou, July 

 (Thorell). 



Coriarachne versicolor Keys. 



Fort Collins ; Rist Canon, April. 



Synaema obscura Keys. 



Elk River, July (Baker); West Cliff (Cockerell). 



