288 BIBLIOGRAPHY AND CARTOGRAPHY

BRANTLY, W. T. Maryland.

Encyclopedia Britannica, vol. xv, New York, 1883, pp. 602-605.

Short general description of the topography and geology of the state (Uhler's?).

BURNHAM, S. M. History and Uses of Limestones and Marbles.
8vo. 111. 392 pp. Boston, 1883.

Maryland, pp. 57-58.

CHESTER, F. D. On Boulder Drift in Delaware.

Amer. Jour. Sci., 3rd ser., vol. xxv, 1883, pp. 18-21.

———— Observations upon Stratified Drift in Delaware.

Amer. Jour. Sci., 3rd ser., vol. xxv, 1883, pp. 43G-440.

(Rev.) Science, vol. ii, 1883, p. 380 (W. M. D.).

Considers Champlain depression more than 330 feet, possibly as much as 1000 feet.

CLERK, F. L. The Mining and Metallurgy of Zinc in the United
States. Mineral Resources U. S. 1882. Washington, 1883. p. 365.

Mentions zinc ores in Silurian of Maryland which have been worked and abandoned.

COOK, GEORGE H. The change of Relative Level of the Ocean and
the Uplands of the Eastern Coast of North America.

Proc. Amer. Assoc. Adv. Sci., vol. xxxi, 1883, pp. 400-408.

A general paper with reasoning applicable to Maryland. Writer regards oscillation
connected with ice movements as the principal factors.

DAY, D. T. Chromium.

Mineral Resources U. S., 1882, Washington, 1883, p. 488.

Cites new discovery in North Carolina, and gives statistics as to the amount mined
and the price paid per ton in Baltimore.

D'INVILLIERS, E. V. The Geology of the South Mountain Belt of
Berks County.

Rept. 2nd Geol. Surv. Pa. DDD, vol. ii, part 1, Harrisburg, 1883, pp. 17-18.

FONTAINE, WM. M. The Older Mesozoic Flora of Virginia.

Mono. U. S. Geol. Surv. No. G, 1883, 144 pp., 54 plates.

House Misc. Doc., 47th Cong., 2nd Sess., vol. xiv, No. 43.

Reference to Mesozoic beginning on the Palisades. In Maryland it contains no coal,
and no plants have been found, though search would probably reveal them. It is char-
acterized by the large amount of rod strata that it contains.

HUNT, T. STERRY. A historical account of the Taconic question in
geology, with a discussion of the relations of the Taconic series to the
older crystalline and to the Cambrian rocks.

Trans. Royal Soc., Canada, vol. i, sec. 4, 1883, pp. 217-270.

LECONTE, JAS. Elements of Geology. 2nd edition, New York,
1883.

Pages 451 and 471 contain certain references to Maryland.