430 The Arachnida of Colorado. 



Pardosa groenlandica Tlior. 



J\ Iracnmla Tlior. and P. sinistm Tlior. 



P. alhomaculata Em. 

 Long's Peak, Jul}' (Gillette); Cameron Pass, July (Baker); 

 Pike's Peak, Kelso's Cabin, Gray's Peak and Arapahoe Pass, S\\\y 

 (Thorell). 



Pardosa tristis Tlior. 



P. iiuh((/(i/rix Tlior. 

 Fort Collins, Denver, Manitou (Thorell). Emerton considers 

 these as synonyms of P. groenlandica. Although the differences 

 are slight, I keep it separate, as the P. groenlandica is found above 

 timber line and P. tristis quite low down. 



Pardosa atra Bks. 



AA^est Clitf (Cockerell). 

 Pardosa impavida Thor. 



Manitou, July (Thorell). Fort Collins (Mrs. Baker). 



Trochosa cinerea Fabr. 



Fort Collins (Baker), West Cliff (Cockerell). 



Trochosa parva Bks. 



Fort Collins, under stones, November, December. 



Pisaura undata Hentz. 



Fort Collins, one specimen (Gillette). 

 Dolomedes scriptus Hentz. 



One specimen. Fort Collins (Baker). 



OXYOPID^. 

 Oxyopes compacta Bks. 



Dixon's Canon, May (Baker). Fort Collins (Mrs Baker). 



ATTID.E. 

 Phidippus aiidax Hentz. 



Fort Collins, sweeping low herbage. 



Phidippus msolens Thor. 



Dixon's Canon, September (Gillette). Denver, July (Tliorell). 



Philaeus militaris Hentz. 



Fort Collins, sweejiing, Ma}'; Estes Park, July. Common. 



Dendryphantes octavus Hentz. 



Fort Collins, Steamboat Springs, sweeping, May, June, Jul}'. 

 Common. 



Dendryphantes sp. (?) 



One immature specimen differs in markings from any form 

 known to me; there are three reddish stripes on the nbdomen. 



