Identifier: systematictreati00drak (find matches)
Title: A systematic treatise, historical, etiological and practical, on the principal diseases of the interior valley of North America : as they appear in the Caucasian, African, Indian, and Esquimaux varieties of its population
Year: 1850 (1850s)
Authors: Drake, Daniel, 1785-1852
Subjects: Medical geography Medical climatology
Publisher: Cincinnati : Winthrop B. Smith & Co.
Contributing Library: University of Pittsburgh Library System
Digitizing Sponsor: Lyrasis Members and Sloan Foundation

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h, by their luxuri-ant growth, and speedy decay, constantly add to the vegetable elements ofthese deposits of silt. Near its mouth, this river, like the others, is borderedwith broad cypress swamps, which are terminated by higher post-tertiarydeposits, bearing long-leaved pines. In the first twenty miles from the Gulf,.ihat is to the place of bifurcation, the axis of Pensacola Bay is nearly north-east ; but the prongs, or subordinate bays, turn to the north. In variousplaces the shores are skirted with narrow salt marshes, and, around theheads of the Bay, especially between its divisions, there are extensive cypressswamps. Viewed from any position, Pensacola Bay is an object of much naturalbeauty. Its pellucid waters, salt enough to abound in oyster beds, areencircled at their very edge with a narrow girdle of white sand, whichharmonizes pleasantly with the foliage of the live oaks, magnolias, cypresses,■iollies, and various flowering shrubs, which overshadow its margins, and PL.llI
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PART I.) INTERIOR VALLEY OF NORTH AMERICA. 51 relieve the somber back ground of long-leaved pine woods, ■wbicli over-shadow the higher terraces. The medical, naval, and military histories of Pensacola Bay, are of equalinterest with its scenery. The first merits great attention, from the nationalimportance of the two latter. Constituting the only sheltered and capaciousharbor on the northern semicircle of the Gulf, the Government has madethis bay a naval station, and erected the various works necessary to its defense.At the entrance there are three fortifications: Fort Pickens, on the west endof Santa Rosa Island; Fort McCree, on the east end of Fosters island; andFort Barrancas, a mile above, on more elevated ground. At the distance ofanother mile, on the same low sand ridge, stands the Naval Hospital; and amile higher up the bay, on the same side, the Navy Yard. The road fromone to the other of these establishments, passes over loose dunes of whiteand yellow sand, which, by the act

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