Narrative of botanical exploration by author, summer 1946. Includes appendices: Summarized log including hours flown, personnel, aircraft, and supply, by J.F. Drake, p.275-78; Aims and organization of the survey work, by Bernard J. Woodruff, p.279-83; Fixing the points, by Walter H. Stilwell, p.284-87; Weather forecasting and summary, by B.A.S. Shantz, p.288-89; The Arctic Institute of North America, compiled by M.J. Dunbar, p.290-93; The Canadian Government Eastern Arctic Patrol, by J.G. Wright, p.294-96; Exercise musk-ox, by J.T. Wilson, p.297-301; Crop-contents of some Ungava ptarmigan, by Nicholas Polunin, p.302-07; Instrunctions for collecting and preserving plant specimens in the arctic and subarctic, by Nicholas Polunin, p.308-12.