August 20, 1964 (cont.) but not on the seaward tide flats. About 13 species were identi- fied in the lagoon with Hydrodictyon, the most abundant. Podina, Lynghya and Dictyota Halimeda and Caulerpa were also present. On the seaward flats a few Halimeda plants were seen and Caulerpa dictyota and Boodlea were noted as rare. Lowman: About one-half of the island missing to the Bravo-Tewa crater. A central grassland area on the island opens to the northeast and is surrounded on the other three sides by Messerschmidia groves. Messerschmidia. Noddy and fairy terns were nesting in the These terns and the crested terns were nesting in the grasslands. The noddies built rough nests on the ground and the area contained many young noddies in all stages of develop- ment. Many shore birds were present on the island.