P. DeBenedictis 1965 hemmus trivirgatus 18 June Barrow, Alaska Fs are a lot more conspicuous now than earlier in the season. Their scream lacks the wheezy quality of a F. 19 June (They are migrating towards the sea) Two were seen on the gravel along the NE end of Family hoggon and then were more in this area between 04.5. Salt hoggon than usual, although this species is far from numerous there, pop only 1/8 to 1/4 that on the Beach ridge. 20 June No change from yesterday. Saw 2 chases between Larimnets and kills by Targe, Sawrey Owl and Least Weasel. See the latter. 21 June Saw one in Athll this noon and they are increasingly conspicuous near Button's Area due to the increase in melt. Saw 4-6 chases and found an animal in a Burrow that had really been in a scrap as the lower jaw was broken. It sounded off when I was 6 feet away instead of often I had almost stepped on it as they usually do. Peacefully stepped on two. 22 June Hemming very active on the surface near Elson hoggon. Two near each other clapped each other on the face, then one ran around the other and they copulated briefly. The female ran off about 3 feet & this was repeated 3-5 times lots of clairing now, and hemming are fairly vocal.