262 BIBLIOGRAPHY AND CARTOGRAPHY

burg, Miss. With an Appendix. [Descriptions of New Eocene
Fossils in the cabinet of Lardner Vanuxem.]

Jour. Acad. Nat. Sci., Phila., 2nd ser., vol. i, 1848, pp. 111-134, plates 11-14.

Maryland and Virginia deposits are considered as " Lower or older Eocene " and
equivalent to the fossiliferous sands of the Claiborne and St. Stephens, Ala., chiefly
from the presence of Ostrea sellaeformis. Also gives a number of shells from Upper
Marlboro, Md. (See Conrad, 1847.)

GIBBES, K. W. Monograph of the fossil Squalidae of the United
States.

Jour. Acad. Nat. Sci., Phila., 2nd ser., vol. i, 1848, pp. 139-148.
Gives Carcharoden megaloden from Maryland (p. 143).

LEA, HENRY C. Catalogue of the Tertiary Testacea of the United
States.

Proc. Acad. Nat. Sci., Phila., vol. iv, 1848, pp. 95-107.

Gives references to descriptions but does not state localities. The list includes
many Maryland forms.

TAYLOR, R. C. Statistics of Coal. The geographical and geolog-
ical distribution of Mineral Combustibles or Fossil Fuel. 8vo. 745
pp. Phila. 1848.

Pages 65-71 deal with the " Maryland Division of the great Alleghany coal field,"
and give a geological profile of the Coal Basins of Maryland (p. 70).

A second edition was revised to 1854 by S. S. Haldeman, Philadelphia, 1855, pp.
816-325 for Maryland.

1849.

BAILEY, J. W. New Localities of Infusoria in the Tertiary of
Maryland.

Amer. Jour. Sci., 2nd ser., vol. vii, 1849, p. 437.

Short paper citing localities where infusoria have been found.

DE VERNEUIL, ED. Parallelism of the Paleozoic Formations of
North America, with those of Europe.

Amer. Jour. Sci., 2nd ser., vol. vii, 1849, pp. 45-51. (Continued from pp. 183
and 370, vol. v, and p. 218, vol. vii.)

Abridged translation by James Hall of " Sur le parallelisme dans depots, etc." Bull.
Geol. Soc. d. Fr., 2me ser., t. iv. The first two parts deal especially with general prob-
lems and the strata of New York. In the present paper there is a reference to Car-
boniferous Species occurring near Bloomsburg, Pa., and in Maryland (p. 47).

The last paper deals with the correlation of the fossils.

GIBBES, R. W. Monograph of the fossil Squalidae of the United
States.

Jour. Acad. Nat. Sci., Phila., 2 ser., vol. i, 1849, pp. 191-206. (Continued
from p. 147 of same volume.)

Gives a number of species from Maryland specimens, pp. 192-196, 201.