78 
FLORIDA GEOLOGICAL SURVEY. 
formations of a portion of the Southern States.* 
Acad. Nat. Sci. Phila. Jour. VII, 116-129, 1834. 
28. Conrad, Timothy A.— 
Observations on the Geology of a part of East 
Florida, with a Catalogue of Recent Shells of th« 
Coast. 
Am. Jour. Sci. (2) II, 36-48, 1846. 
29. Conrad 1 , Timothy A.— 
Descriptions of new species of Organic Remain# 
from the Upper Eocene Limestone of Tampa Bay. 
Am. Jour. Sci. (2) II, 399*400, 1846. 
30. Conrad, Timothy A.— 
Observations on the Eocene formation in th# 
vicinity of Vicksburg, Miss. 
Acad. Nat. Sci., Phila. Jour. (2), I, 111-134, 
(pis. XI-XIV), 1850. 
31. Conrad, Timothy A.— 
Observations on American Fossils, with descrip¬ 
tions of two new species. 
Acad. Nat. Sci., Phila. Proc. XVII, 184, 1865. 
Three species of invertebrates identified from Ocala, ani 
the formation referred to the Eocene (Shark River Marl 
of New Jersey). 
32. Cope, Edward D.— 
An Intermediate Pliocene Fauna.* 
Am. Nat. XXIII, 253-254, 1889. 
33. Cope, Edward D.—- 
(Note on the fossils of the Alachua clays) con¬ 
tained in U. S. Geol. Sur. Bull. 84. 130, 1892. 
Alachua clays regarded as probably intermediate be¬ 
tween the Loup Fork and the Equus beds. 
