Rock specimens from Funafuti. II. Rock specimens
The following are brief notes on the rock specimens collected by Mr. C. Hedley:
Coarse Sand. A specimen of coarse sand from the western sea beach of the Atoll, consists principally of waterworn fragments of coral and coral rock, comminuted or small shells, the tests of the Foraminifera Orbitolites cornplanata, Tinoporus baculatus, and to a smaller extent Polytrema muriaceum, Amphistegina lessonii, and a few fragments of Echinoderms. It is entirely calcareous.