MARSHALL ISLANDS ATOLL SAMPLES COLLECTED BY T. N. WHITE, 5-7 MARCH 195 Earth samples wore collcctcd as follows: At cach island visitcd scveral samplcs wore dug and put into the onc-gallon "ioo-crcam carton", Each samplo (i.c. cach digging) approxim square foot to a depth of onc inch. The number and locations of the samp sclected to represent, as well as could be judged, an average of the arca by the inhabitants, after thc samples were mixcd in the carton. Aroas th unusually shaded or unshaded by trees werc avoided. The largo "pebblecs" | composité ropresent coral gravol from "main strect" through tho villago. Water samples were sclected according to the principal source in cur my de Inclosure 1