NURD 1952 July 29. the arctophile - midges were not in evidence and could not be located even in the axils of the grass. On the plot area much of the Petasites is well past full bloom - many have already delivred The Petasites between the polygons is not beginning to bloom. July 30 around ARLs trap guild weather noticeably warmer - sun came out for several hours this afternoon - midges flying about in large numbers up to 50 per Cubic meter of air at any given glance. Mosquitoes in evidence but not encountered in numbers over 3 or 4 at any one time. Midge swarms found in afternoon + early evening. July 31 This am, the midges behind ARL in evidence already sizeable swarms had formed - many resting on the ground + vegetation also. a few mosquitoes were about. - Sun shining through the clouds occasionally obscured behind larger Cloud masses; this continued until late afternoon + evening. Out in the marsh there were a very large number of mosquitoes + very pestiferous - still no indication of where breeding. As soon as wind would blow and sun descend they drop off very rapidly - also digs in Temperate had this Nest