May, 1907.] A Collecting Trip North of Sault Ste. Marie. 143 



quent but short visits to the rapids of the stream where its 

 nymphal hfe was passed. With swift flight it drops from its 

 sunHt leaf to a boulder, log or bit of smooth sand. It moves 

 from one station to another by short flights, rendered invisible to 

 the collector because of its swiftness and the agitated waters over 

 which the insect passes. After a few moves it throws itself 

 boldly into the water from which it arises to seek again its leafy 

 and frequently lofty perch. When the late afternoon sun 

 bathes with vertical rays a leafy wall of vegetation on the edge 

 of some swift ripple where the crane flies are dancing in the 

 spray, carolus forgets the heights of forest trees and catching its 

 prey with ease, feeds and basks on a swaying leaf, from which it 

 springs to flit the ripple and return again. The sun sinks lower, 

 the forest shadow creeps across the ripple and up the alders, and 

 the green mite of most animate nature rises with the shadow into 

 the safe retreat of forest trees. 



12. Gomphus sordidus Hagen. Heyden, July 31st, one 

 female. Along Root River at different ripples on two occasions 

 I saw males of a species of Gomphus which I thought was brevis. 

 The abdomen was colored and held aloft exactly like this species. 

 Also along Root River I saw close at hand a female Gomphus 

 which I believe was exilis. 



13. Gomphus scudderi Selys. Searchmont, Aug. 1, G, 7, 8 

 and 9th. Fifty-two males; no females were seen; along the 

 Goulais and its tributaries this was the commonest dragonfly. 

 When resting on smooth sand, boulders or logs it is approached 

 with difficulty ; when resting on vegetation it may usually be 

 taken with ease. It is a restless busy body, its flight swift but 

 not well balanced or long sustained. One on occasion one flew 

 swiftlv toward me and alighted on my shoulder. A slight 

 motion on my part caused it to take to sudden flight. On 

 another occasion one alighted on the back of one hand. The 

 other hand was brought slowly and carefully up and a fore and 

 hind wing seized between thumb and finger. Several males of 

 this species were distinctly seen at Oden, Mich., but were not 

 captured. 



Dromogomphus spinosus Selys. Oden Mich. Aug. 14th. 

 J. H. Williamson. One male. 



14. Lanthus albistylus Hagen. Searchmont, Aug. 8th: two 

 males. This species was also distinctly seen at a ripple in Root 

 River, but no specimens were taken there. The two taken were 

 at the same ripple at Achigan Brook where one or two more 

 were seen. No other specimens than these mentioned were seen 

 during the trip. 



15. Hagenius brevistylus Selys. Heyden, July 31st and 

 Aug. 2d; Searchmont, Aug. 8th. Four males and one female. 

 One male taken Aue. 8th was the only individual seen in the 



