ADMINISTRATIVE REPORT 7 Ninth Annual Report, 1917, 151 pp., 8 pls., 13 figures, two maps. This report contains: (i) mineral industries; (2) additional studies in the Pleistocene at Vero, Floridat; (3) geology between the Ocklocknee and Aucilla rivers in Floridat. Tenth and Eleventh Annual Reports, 1918, 130 pp-, 4 pls., 9 figures, two maps.* This report contains: (i) geology between the Apalachicola and Ocklocknee rivers; (2) the skull of a Pleistocene tapir with description of a new species and a note on the associated fauna and flora; (3) geology between the Choctawhatchee and Apalachicola rivers; (4) mineral statistics; (5) molluscan fauna from the marls near DeLand. Twelfth Annual Report, 1919, 153 pp., four maps. This report contains: (i) literature relating to human remains and artifacts at Vero, Floridat; (2) fossil beetles from Verot; (3) elevations in Floridat; (4) geologic section across the Everglades of Floridat; (5) the age of the underlying rocks of Florida as shown by the foraminifera of well boringst; (6) review of the geology of Florida with special reference to structural conditions. Thirteenth Annual Report (this volume) 1921. . Bulletin No. I. The Underground Water Supply of Central Florida, 1908, 103 pp., 6 pls., 6 text figures.* This bulletin contains: (i) underground water. general discussion; (2) the underground water of central Florida, deep and shallow wells, spring and artesian prospects; (3) effects of underground solution, cavities, sinkholes, disappearing streams and solution basins; (4) drainage of lakes, ponds and swarnp lands and disposal of sewage by bored wells; (5) water analyses and tables giving general water resources, public water supplies, spring and well records. Bulletin No. 2. Roads and Road Materials of Florida, 1911, 31 pp-, 4 pls.* This bulletin contains: (i) an account of the road building materials of Florida; (2) a statistical table showing the amount of improved roads built by the counties of the State to the close of 1i9i.