igOO] ENTOMOLOGICAL NEWS. 367 



green undersides were beautifully blended with the vegetation 

 upon which they usually rested, and they were at home. Even 

 when resting on the small white flowers of which they were very 

 fond they were not easily seen. On the wing no eye could follow 

 them, but fortunately for the collectors they had a habit of al- 

 ways returning to some spot near the one from which they were 

 frightened, and then were easily captured. 



Argynnids were scarce and hard to capture, but a few mead it, 

 snyderi, platina and chitone were taken near the peaks or at the 

 tops of mountain ridges. On the highest point of each moun- 

 tain, resting on the rocks, were always found a few specimens 

 whose sole duty seemed to be to chase others away. Here one 

 usually found Pytameis cardiii, Pieris occidentalism a Pamphila or 

 two, several Chionobas chryxus, an Eudamus, and perhaps an 

 Argy?inis or a Melitcea. Most of these specimens were not 

 worth capture, but their actions were interesting. Each new- 

 comer was sure to be attacked, regardless of size or color. It 

 was enough that he should move while others rested. There 

 would be a flash and a buzz, and the two specimens, darting 

 back and forth at each other, would gradually rise in the air 

 until they disappeared in the distance. In a moment one would 

 return and light in its former place as though nothing had hap- 

 pened, but be just as ready to attack the next arrival. 



At the edges of the snowbanks we usually found Melapor- 

 phyria ononis and belladonna. 



These are but a few of the species taken any day on the 

 mountains. One is always being surprised in the Rockies. 

 Perhaps he takes a friend to a place where he found a rare 

 species abundant a previous year, all the conditions are favor- 

 able, but not a specimen is to be found. Why? I don't 

 know. Some .species are in their homes abundant, but only 

 found in small areas. One year a species fairly swarms and 

 then is not seen for years. Then, again, when one has found 

 a species at a certain place and time he may be able to find it 

 at the same place and time every year. All these peculiarities 

 of insect life are like the physicians sure remedy for disease. 

 "Sometimes it cured and sometimes it didn't." After col- 

 lecting to the top of the first mountain one usually finds a 



