UHLER ON INSECTS, 409 



winds from the mountains, insects of sf^veral orders would be found 

 crowded togetlier around and under the roots of grasses and similar 

 plants, as well as under small stones, etc. Many Dlptera and Hijnien- 

 optera Tvere thus collected in company with tbe Beetles and Hemipfera. 



Subfamily NYSIIN.E. 



Nysius Dallas. 



1. JV. calif ornicus. 



Xysius californicus Stul, Eugenies Eesa. Hemipt., 242, No. 56. 

 Found sparingly on weeds in moist places, as well on the plains as in 

 the caiions and parks. I swept specimens from flowers on the west of 

 Denver, in Clear Creek Cailon, near Manitou and Colorado Springs, and 

 more abundantly near Caiion City. A few specimens occurred singly 

 on a low composite pale whitish flower in Manitou Park, August 14. 

 Dr. Packard collected it near Golden, July 3. 



2. N. angustatus. 



Xystis angustaius Uhler, Fifth Aun. Rep. U. S. Geo!. Surv. for 1671, 1872, p. 406, 

 No. 2. 

 It occurred to me in great abundance upon tall weeds in cultivated 

 grounds, near Denver, at Golden, in Manitou Park, and near Canon 

 City, August 6-18. Dr. Packard found it near Golden, July 3. 



Subfamily CYMIN^E. 

 ISCHNORHYNCHUS Ficb. 



I. didijinus. 



Lygaus didymus Zett., Vet. Akad. Handl., 1S19, 71, No. 20. 

 Ischnorhynchus didymus Stal, Euum. Hemipt., iv, 124, No. 1. 



This is a common European insect, but it is now to be found sparingly 

 all over the length and. breadth of the United States. I collected one 

 specimen near Denver and another near Caiion City. 



CY3IUS Hahn. 

 ■ C. hiridus. 



Cymus Juridus Stal, Enuni. Hemipt., iv, 126, No. 1. 



One specimen was swept by me from weeds in the vicinity of the 

 Arkansas Eiver, east of Canon City, August 11. It is a common species 

 in many parts of the Atlantic region. 



Subfamily GEOCORIN.E. 



Geocoris Fallen. 

 1. G. huUatus. 



Talda luUaia Say, Heteropt. New Harmouy, IS, No. 2. 



Collected around the roots of -weeds on the foot-hills and plains west 

 of Denver, August 18. The very pale varieties of this species occur 

 upon the light-colored sand ; those from the canons and mountain alti- 

 tudes are darker. Full series of tlie.se varieties are needed to settle the 



