M. Brock 1957 July 8 Stercorarius parasiticus Barrow, northern Alaska When going out to check trapline X in the afternoon, I noticed as I approached the trapline a dark phase parasitic jaeger flying back and forth over the trapline. It would fly away for a distance and then return but never land - maybe due to my presence. When I checked the trapline a bird had been caught and in a trap at 5.4 which had been so completely eaten I was not sure what the bird was (maybe a longspur). Then in a trap at stake 6.6 a longspur had been caught and was nearly completely eaten. The only conclusion seems to be that it was probably this jaeger that I saw that had eaten the two birds. A longspur & in a trap at stake 8.4 and a lemming at 2.4 were untouched. July 18 When I was approaching transects IVA + B this morning I noticed four parasitic jaegers diving continuously at something on the ground fly up and dive at the ground. They were located about 1/2 mile north of Transect TK. When I approached that area they flew away and