TEXT FIGURES. PAGE 1. Sketch Map showing location of Lakes Iamonia, Jackson, Lafayette, and M iccosukee .............................................. 54 2. Lake Jackson .................................................... 56 3. Lake Lafayette ................................................... 58 4. Lake Miccosukee......................................... 00 5. Sketch Map of Hogtown Prairie and surroundings ................. 66 6. A rtesian basin ................................................... 109 7. Artesian slope........................................ ...0Ho 8. Artesian flow from unconfined horizontal strata ....................III 9. Artesian flow from cavities in limestone ........................... III io. Method of measuring artesian flow ................................ 119 II. Map of flowing area of Nassau and Duval Counties................135 12. Map of flowing area of St. Johns County .......................... 143 13. Map of flowing area of Clay and Putnam Counties .................. 155 14. Map of flowing area of Orange County ............................ 167 15. Flowing well on Lake Jessup, Orange County .................... 172 16. Map of flowing area of Volusia County......................... 175 17. Scene in estuarine swamp of Apalachicola River .................... 236 18. Interior of dense tyty swamp, Walton Co ........................... 253 I9. Interior of gun1 swamp, Leon Co ................................ 255 20, Slash-pine bog, Lake Co.................................... 256 21. Non-alluvial swamp, DeSoto Co................................... 259 22. Deep open tyty bay near Carrabelle, Franklin Co .................. 265 23. Lake Alfred, near Bartow Junction, Polk Co ....................... 269 24. Lake Butler, Bradford Co ........................................ 27z 25. Clear Lake, a fresh lagoon in Palm Beach Co ...................... 273 26. H elena Run, Lake Co ............................................. 281 27. 'Gator-hole near south end of Everglades .......................... 285 28. Scene in Everglades near head of Miami River...................286 29. Hardpan on shore of bay near Apalachicola ........................ 294 30. Fossil peat locality near M ilton ................................... 296 ERRATA. Page 46, explanation of P1. 9, for "Two views of" read view of. Page 48, footnote, for "plate Io" read plate 15. Page 50, second line from bottom of page, for "340" read 840.