MARYLAND GEOLOGICAL SURVEY 273

CONRAD, T. A. Check List of the Invertebrate Fossils of North
America (Eocene and Pleiocene).

. Smithsonian Misc. Col., vol. vii, Art. G, 1866, 46 pp.
Includes Eocene from Middle Atlantic Slope.

———— Illustrations of Miocene Fossils, with Descriptions of New
Species.

Amer. Jour. Conch., vol. ii, 1866, pp. 65-74, plates 3 and 4.

Describes and figures several new forms from St. Mary's and Calvert Cliffs.

DADDOW, S. H., and BANNON, BENJ. Coal, Iron and Oil; or the
Practical American Miner. 8vo. 808 pp. Maps, sections, illustra-
tions. B. Bannon, Pottsville, Pa., 1866.

Written in a popular style from an economic standpoint, this book contains discus-
sions of the formation of the Appalachians and of the coal, the history of the use of
coal, and the distribution of the known coal fields. The more detailed discussion of
Maryland (pp. 317-338) contains map of Frostburg coal field about 4 miles to inch and
sections.

DUNLOP, JAMES. A Memoir on The Controversy between William
Penn and Lord Baltimore, respecting the Boundaries of Pennsylvania
and Maryland, by James Dunlop, Esq. Read at a meeting of the
Council, Nov. 10, 1865.

Memoirs Hist. Soc. Penn., vol. i, 1866, pp. 165-204.

PARRISH, R. D. A Statistical and Geological Report upon the
Slate trade of the United States.

Amer. Jour. Mining, vol. ii, 1866-7, pp. 233, 250, 278.

Gives general remarks on history, etc., stating that a quarry was opened near Fred-
erick about 1812.

1867.

CONRAD, T. A. Descriptions of New Genera and Species of Mio-
cene shells, with notes on other fossil and recent species.
Amer. Jour. Conch., vol. iii, 1867, pp. 257-270.
Describes and figures several new forms from Calvert Cliffs and Charles Co.

COPE, E. D. An addition to the Vertebrate Fauna of the Miocene
Period, with a Synopsis of the Extinct Cetacea of the United States.

Proc. Acad. Nat. Sci. Phila., vol. xix, 1867, pp. 138-156.

The forms described come from Charles Co., not far from the Patuxent and include
several new forms and many previously described species.

HALL, JAS. Paleontology, Vol. IV, Part I. Containing Descrip-
tions and Figures of the Fossil Brachiopoda of the Upper Helderberg,
Hamilton and Chemung Groups, 1862-1866. Geological Survey of
K. Y. Albany, 1867. 4to. 427 pp. 63 plates.

Description and figures of numerous forms from Cumberland and vicinity.