Proceedings of the Board of Regents (1864-1870)

359

J. F. STEWARD, Plano Ill. Fifty-one entries of fossil
plants from concretions in the Coal Measures of Mazon creek,
Grundy county, Ill. In exchange for Lake Superior specimens
collected by A. Winchell.
J. T. SCOVELL, MI. )., Denver, Cal., (Alumnus.) Fiftyfour entries. (65 specimens,) illustratinc the mining geology of
Colorado.
JOHN PEACH, Washtenaw county, Mich. A box of specimens of cannel and bituminous coals, galena, calcite, limonite,
potter's and fire clays and associated rocks, from the mines of
II. & T. Simpson, Mountain Co., Mo.
NATURAL HISTORY SOCIETY OF ST. JOIINS, N. B.
(Through the Smithsonian Institution). Thirteen species of
"Devonian Plants, collected by Prof. C. F. Hartt, at the ' Fern
Ledges' near St. Johns, New Brunswick, and described in
Jour. Geol. Soc., London, Vols. xvIII and xix; and in Dawson's Acaclian Geology, 2d edition. Set No. xxxSIi."
JOHN II. IALL, Oxford, Chester Co., Penn. Twentyone entries, (60 specimens) (.f minerals from Lancaster and
Chester counties, Penn. In exchange for Lake Superior specimens collected by A. Winchell.
A. E. FOOTE, M. D. (Alumnus.) A small vial of Chlorastrolites from Ile Royale.
C. W. DURHAIM. (Alumnus '69.) Specimen of Galena.
GEORGE W. LAWTON, A. M., Lawton, Mich. Gray calciferous sandstone from Bangor and Antwerp, Van Buren Co.,
Mich.
M. N. BREWSTER, Houston, Texas. A large specimen of
silicified wood fiom Texas.
WILLIAMi FREEIAN, Milton, Canada. Plaster cast of a
Lower Silurian trilobite (Ascaphs gqigas.)
M. W. HARRINGTON. Assistant. (1.) Section of a gypsum bed, " Salina group," Camillus, N. Y.
(2.) Two specimens of travertin, Camillus.
E. S. DEWEY. (Alumllus '69.) Ten geological specimens
firom southern Michigan.
JOSEPH BROWN, Lemont, 11. A box of specimens of
building stones from the quarries at Lemont.
Mrs. S. B. OILNY, Ann Arbor. Snowy gypsum from Fort
Dodge, Iowa.
J. B. STEERE, A. B. (Alumnus.) Glass sand from Monroe, Mich.
T. MONTGOMERY. (Alumnus.) Twenty-one specimens of
Devonian fossils from Ontario.
C. T. HARRIS, M. D., Ann Arbor. Fragments of a scoriaceous meteorite, which fell in May, 1869, on the farm of D.
F Harris, Elkhorn, Wis. An analysis of this by Prof. A. B.
Prescott, gives: