The Coral Cays of Jamaica

Abstract
A British expedition visited the "cay" islands and reefs near and to some distance S.E. of Jamaica, in July, 1939. The interrelation of coral and beach-rock formation, marine processes, storms, and vegetation differs considerably on the different islands. The outer sand cays in Portland Bight are mostly covered with grasses and creeping plants only, but some have rather dense low woodland. The more sheltered Pigeon and Salt Islands are shingle with mangrove. Bogue Is. has mangrove swamps. Morant Cays are sand on top of submerged platforms, with "promenades" surrounding the shore. Individual coral colonies on most of the reefs around Jamaica are fairly abundant, but do not tend to fuse together into massive reefs as off Queensland. Halimeda sand is abundant. Good photos of vegetation.

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