86 
FLORIDA GEOLOGICAL SURVEY. 
77. Harper, R. M.— 
‘Hammock/ ‘Hommock/ or ‘Hummock’? 
Science, (n.s.) XXII, 400-402, 1905. 
Discusses the use of these terms as; applied to a type of 
vegetation and soil in the Coastal Plains section. ‘Ham¬ 
mock’ considered the proper term. 
78. Harris, G. D.— 
Sections made in 1901 of the Chattahoochee 
series in northwestern Florida, contained in Com¬ 
parison of the Oligocene by C. J. Maury. 
Am. Paleont. Bull. Xo. 15, 53-58, 1902. 
79. Hawes, George W.— 
On a Phosphatic Sandstone from Hawthorne, in 
Florida. 
Nat. Mus, Proc. for 1882, 46-48,1883. 
Contains an analysis of rock from the quarry of C. A. 
Simmons. Analyses made by A. B. Home. 
80. Heilprin, Angelo— 
On the Occurrence of Numimulitic Deposits in 
Florida, and the Association of Nummulites with 
a Fresh-water Fauna. 
Acad. Nat. Sci. Phila, Proc. 189-193, 1882; Am. 
Nat. XVI, 308-309 (2-3 p.), 1883. Reprinted in the 
Naturalist Leisure Hour and Monthly Bulletin, No. 
81, May, 1884; abst: Am. Jour. Sci. (3) XXIV, 294, 
1882; ibid, XXV, 158, 1883. 
81. Heilprin, Angelo— 
Contributions to the Tertiary Geology and 
Paleontology of the United 1 States.'* 117 pp., map, 
Phila., 1884^ 
82. Heilprin, Angelo— 
Notes on Some New Foraminifera from the Num- 
mulitic Formation of Florida. 
Acad. Nat. Sci. Phila. Proc., 321-322, 1884. 
