. Cave vertebrates of America; a study in degenerative evolution. Cave animals; Heteropygii. HABITAT OF STYGICOLA. 189 perhaps mile wide and less than 10 feet above sea-level. It is such a beach as is shown in figure A, plate 11, raised to a little higher elevation. There is here but little sandy soil, the underlying rock coming near the surface. The slope of the hill behind this level stretch is composed of bare rocks very similar to those of plate 11, figure a, except that the gnarled roots of the densely growing stunted shrubs and trees twist about the rocks and into the crevices. The
. Cave vertebrates of America; a study in degenerative evolution. Cave animals; Heteropygii. HABITAT OF STYGICOLA. 189 perhaps mile wide and less than 10 feet above sea-level. It is such a beach as is shown in figure A, plate 11, raised to a little higher elevation. There is here but little sandy soil, the underlying rock coming near the surface. The slope of the hill behind this level stretch is composed of bare rocks very similar to those of plate 11, figure a, except that the gnarled roots of the densely growing stunted shrubs and trees twist about the rocks and into the crevices. The character of this area was very well described by my host, who dryly remarked, when I asked him whether I should go on horse to the caves on top of the hills, "No, you will go on your hands and ; The disagreeable impression that these hills make on one traversing them on foot in the heat of the day is heightened by the innumerable hermit-crabs that lurk in every cranny and scamper over the rocks. At an eleva- tion of about 100 feet is another level stretch of rocks with a thin layer of sandy soil. Within less than a quarter of a mile from the ocean is a natural well, improved somewhat with the chisel. It is circular, with a diameter of about 6 feet and is less than 10 feet deep. It is evidently situated along the line of an original fissure in the coralline rock such as is shown in plate 11, figure A, for there are openings in opposite sides of the deeper part of the well that have an indeterminable extent. The surface of the water in this well is near sea-level, about 4 feet below the level of the land. The water, over 5 feet deep, is perfectly fresh and blind fishes were more abundant in this well than in any other area of the same We A- Fig. AS. Diagrams of Cave of the lnsurrLt-tus and the Carboneiia Well tug. 13, plate n) taken from X. 3, Depression about Mouth of Cave; 2, Dry Cave; 1, The Pool of Water near Sea-level, , and with Submerged Stalac
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