C.R. Long 1964 June 10, 1964 Soil samples, bog cores and photographs taken. Collection No. 1845a - 1845x. June 11, 1964 Collected in west area (bogs), across fresh water lagoon to the east end of the island. Photographs, bog core samples and soil samples taken. Collection No. 1859 - 1865. June 12, 1964 Soil samples and photographs taken. Observations on north shore for vegetative map of the island. Christmas Island June 14, 1964 Cook Island Collection No. 1845 - 1858. Assisted in the banding of sooty terns. June 15, 1964 Cook Island Motu Upua - Collection No. 1884 - 1895. June 16, 1964 Observations and collection made along the southeast coast of the main island, Christmas Island. Photographs were made. Collection No. 1896 - 1909. June 17, 1964 Motu Upua - Permanent markers were placed and photographs taken. Assisted in banding Christmas Island Shearwaters. June 18, 1964 Motu Tabu - Vegetation transects, soil collections and plant collections made. Photographs taken. Collection No. 1910 - 1919. Motu Upua - Permanent markers adjusted and photographs taken.