| MARSHALL ISLANDS ATOLL SAMPLES COLLECTED BY T, N. WHITE, 5-7 MARCH 1954 Earth samplos wore collected as follows: At cach island visited soveral samples woro dug and put into tho sam one=gallon "iac—ercam carton", Each samplo (4.0, cach digging) appraximatod one square foot to a depth of onc inche The number and locations of the samples were selected to represent, as well as could be judged, an average of tho arcas used by tho inhabitants, aftor tho samples were mixod in the carton. unusually shaded or unshaded by trocs were avoided. Arcas that wero fhe largo "pebblos® in the composité represent coral gravol from "main strcot" through tho village. Water samples wore sclectcd according to tho principal source in curront usc. Inclosure 1