Abstract

INTRODUCTION

In August, 1903, B. Glanvill Corney, Chief Medical Officer of Fiji, presented to the trustees of the British Museum a large fossil sea-urchin found near Suva. The specimen showed many features of interest. It was the first echinoderm known from any of the marine deposits of the Fiji archipelago. It was clearly related to the fossil from the Radiolarian Marls of Barbados described by J. W. Gregory1 as Cystechinus crassus. Being, like that echinoid, a member of the Echinocorythidae (sensu lato) with the deep-sea characters common in that family fairly well marked, it might be expected to throw light on the elevation of the islands. Consequently, permission to describe it was obtained from the Keeper of Geology.

The task undertaken proved greater than was expected. It involved detailed description of the specimen, redescription of Cystechinus crassus, comparison of the two species with other deep-sea Echinocorythids, in which the specimens . . .

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