Maclean 1967 Journal Saw the plovers and sent them off to Fairbanks. Called Institute of Arctic Biology and learned that yesterday's birds arrived in good shape. Spent the rest of the morning and early afternoon counting, cleaning, and preparing tanglefoot strips, then went out with Tom and Dan. It was now very foggy - visibility not > 200 m. I spent some time introducing Tom to feeding observations while Dan changed site I. Emptied the pit-fall cans and took down the winnow system to bring in the spacer pieces for modification, then drove on. Passed a flock of ca. 30 alpina near Micro-Met and another of ca. 30 melanotos on the Beach Ridge. Changed these boards. Numbers 3 and 4 were under water and had to be relocated on drier ground. In the evening went to lab with Ewa and sorted and counted hand and vacuum picked tipulid samples and can-trap sample from today. Vacuum motor failed to pick up most tipulids - especially wingless & Tipula and Pedicia. Hand picked samples contained proportionately fewer & tipula than can-trap samples.