Sullivan, J. Barrow, Alaska July 28 (cont.) plants on the mainland. Some of the obvious foots of the gulls were: arctic ground squirrels, ptarmigan, lemmings, fish, crabs, small birds, parts of caribou, a sand dollar. We took 5 western s. for specimens. Jim came to take us to the mainland where Palmer and I had about 15 minutes to look around. Dr. Hultin was scheduled for a seminar at 2:00 so we had to start back. The weather at the lake was comfortable (around 50°F. with an 8-10 mph wind). Hultin had 3 sacks of plants that he had collected. He pointed out some Arctophyllum fulva that was much larger than that at Barrow. Left Dull Lake at 17:30. Saw many caribou on the return trip. Also 3 snowy violets fairly close together about 5 mi. SW of the downed tower. Barrow weather was bad- rain, fog, and cold. We arrived at 19:40. Hultin's seminar concerned The Distributional Conditions of the Flora of the Bering Sea Region. He contended that land bridges were of great importance in the distribution of plants on what is now a continent. Cited an example of a volcano that had risen in 1700 some 15 mi. north of the