Beaver 1967 Alaska Diptera Study #4 15 June Sample #2 from Barow area, top of low Polygon. Vegetation: Moss and lichen: Sphagnum? - entire surface. Does with this configuration: ~ 1/4 of surface and grass - Luzula confusa? in small clumps. Size of sample 160mm x 80mm x 80mm, Items removed. 1. Black pupae? 1cm from surface no- leaf folded up. 24. /June 12mm from surface - 3,5 mm long. Coleoptera - Fem?? - discarded 25/ pupae 12mm " " 2mm long. Chironomidae ?? saved in vial #2 - 6/15/67 17 June 26 Diptera? 7mm. upper 15mm B.S. saved in vial #6 (separated from lot #6.) 19 June Sample #3 low marsh lands S.West of AAcs installation, Barrow Alaska From now on, specimens will not be numbered. The basic preliminary work of my own plus Maclean and Holmes show 3 species of Tipulidae in the tundra. My major concern is for these three sp. and so further work will be indicated as as pertaining to Tipula cerinifera, Pedicia downai and Phronocera gracilistyla. Sampling Techniques 5. Maclean and I discussed the needs of