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In spite of the subtle, low-relief contours seen on bathymetric maps of Florida's Gulf of Mexico (west Florida) shelf and slope (Fig. 4.1), this rim-toramp carbonate platform has and continues to support a surprisingly wide variety of coral reefs as compared to much better-known morphologically complex areas such the Great Barrier Reef. From the mid-shelf to the upper slope, light-dependent, hermatypic coral reefs have formed as a result of hard substrate availability, ideal oceanographic conditions, and sea-level fluctuations. Indeed, the west Florida slope even supports living lightindependent, ahermatypic coral reefs in ~550m water depth (Newton et al. 1987). This paper summarizes the geomorphic variability of these different reef types, their geologic setting, and the present coral-reef biological community. The paper is organized along a virtual depth transect by presenting different reef settings and types starting from the shallower mid-shelf or mid-ramp setting, moving to the shelf edge, and then to the deeper upper slope. [ABSTRACT FROM AUTHOR]

The ninth chapter of the book "Charles Dickens: The Critical Heritage," edited by Philip Collins is presented. The article presents an excerpt of an article by Arthur Locker about the writing of Charles Dickens, which was published in the June 18, 1870 issue of "Graphic." The author comments on the appeal of Dickens to the older generation, especially in the book "The Pickwick Papers."