ANNUAL REPORT—BIBLIOGRAPHY. 
89 
Kept, of Supt. for 1871, 207-222, New Orleans, 1872; 
Am. Nat. V, 514-518, 1871; discussed in ibid, 518- 
523; abst: Neues Jahrbuch, 551-552, 1872. 
95. Hilgard, E. W.— 
On tbe Geology of Lower Louisiana and the Salt 
Deposits of Petite Anse Island, 38, pp. 2 pis.* 
Smithson. Contri. Knowl. XXIII, Separate as 
248, Washington, 1881; abst: Smithson. Inst. 
Kept, for 1867, 47, 1868; Kept, for 1870, 20-21, 1871. 
96. Hilgard, E. W.— 
The Later Tertiary of the Gulf of Mexico. 
Am. Jour. Sci. (3) XXII, 58-65, map, 1881. 
97. Hill, R. T.— 
Notes on the Geology of the Island of Cuba. 
Mus. Comp. Zool. XVI, No. 15, 243-288, 9 pis. 
1895. 
No 'evidence that Cuba has had connection since its 
earliest history with the United States, p. 285. 
98. Hitchcock, C. H.— 
Geological map of the United States and 
part of Canada.* Compiled to illustrate the 
scheme of coloration and nomenclature recom¬ 
mended by the International Geological Congress. 
Am. Inst. Min. Eng. Trans. XV, 465-488, 1887. 
99. Hitchcock, C. H.— 
Fresh-water Springs in the Ocean. 
Pop. Sci. Mon., Dec. 673-683, 1905. 
The springs of Florida are described on pp. 680-683. 
100. Horsford, E. N.— 
Solidification of the Rocks of the Florida Reefs, 
and the Sources of Lime in the Growth of Corals. 
Am. Jour. Sci. (2) XIV, 245-253, 1852; Am. As¬ 
soc. Adv. Sci. Proc., 207-215, 1852. 
