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Supplement to Dana’s Mineralogy ; by the Author. — A New Mode of Making Commercial Caustic Soda ; 
by John M. Ordway. — On the Preparation of some Pure Sulphates, and particularly of Sulphate of 
Copper; by Prof. Henry Wurtz. — Geographical Notices. Nr. IV. — On Pieric Acids and some of its 
Salts, with an Advantageous Modification of one of the Processes for obtaining it; by M. Carey Lea. — 
On Deep Sea Explorations; by Prof. W. P. Trowbridge. — Application of Polarized Light to the Mi- 
croscope; by Dr. M. C. White. — Correspondence of M. Jerome Nicklés. — Scientific Intelligence. 
Vol. XXVII. Nr. 79. enthält: Some Principles of Animal Psychology; by D. F. Weinland. — On 
some unusual modes of Gestation; by Jeffries Wyman, M. D. — Some Facts respecting the Nitra- 
tes; by John M. Ordway. — Further Observations on the Allotropie Modifications of Oxygen, and on 
the Compound Nature of Chlorine, Bromine ete.; by Prof. Sehönbein. — Occurence of Cobalt and 
Nickel in Gaston county, North Carolina; by Prof. Henry Wurtz. — On the so-called Triassic Rocks 
of Kansas and Nebraska; by F. B. Meek and F. V. Hayden. — On Lazulite, Pyrophyllite and Tedra- 
dymite in Georgia; by Charles Upham Shepard. — Address by Lord Brougham on the Inauguration 
of a Statue to Sir Isaac Newton. — Description of a new Mineral Species from Chili; by Frederick 
Field. — Geographical Notices. Nr. V. (Recent Surveys of the Amoor River. — Recent Explorations in 
South Australia.) — Biographical Notice of Deane Conybeare and Alcide D’Orbigny; by Major-General 
Portlock. — Caricography; by Prof. C. Dewey (continued). — On the Variable Muminating Power 
of Coal Gas; by Prof. Wm. E. A. Aikin. — On the Dynamical Condition of the Head of a Comet; by 
Prof. W. A. Norton. — Review of Hall and Whitney’s Report on the Geology of Jowa. —- Correspon- 
dence etc. 
Nr. 80. enthält: The Atlantic Cable; by George Mathiot. (In a letter to Prof. A. D. Bache.) — 
On the Variation of the Magnetic Needle at Hudson, Ohio; by Prof. Elias Loomis. — On the Dyna- 
mics of Ocean Currents; by Lieut. E. B. Hunt. — Report on Dupont’s Artesian Well at Louisville, Ky. ; 
by Prof. J. Lawrence Smith, M. D. — On Modes of increasing the Heat of the Mouth Blowpipe, and 
some new Blowpipe Manipulations; by Prof. Henry Wurtz. — On the Pendulum; by F. A. P. Bar- 
nard; with a description of an Electrie Clock, constructed by E. S. Ritchie. With a Plate. — Enu- 
meration of Ferns collected by Mr. Charles Wright, in Eastern Cuba in 1856 — 7; by Daniel C. Eaton. 
— Some observations on the Motions of certain Winding Plants; by Prof. Wm. H. Brewer. — On some 
Anomalies in the Florida Gulf Stream, and on their further Investigation; by Lieut. E. B. Hunt. — Ab- 
stract of a Meteorological Journal, kept at Marietta, Ohio; by S. P. Hildreth, M. D. — Remarks on 
the Lower Cretaceous beds of Kansas and Nebraska; by F. B. Meek and F. V. Hayden. — Geogra- 
phical Notices. Nr. VI. (Semenow’s Explorations in Central Asia. — Trigonometrical Survey of India. Mea- 
surement of Himalayan Peaks. — Central Africa. Expeditions of Capt. Burton and Dr. Roscher. — North 
and Central Australia. Gregory’s Expedition. Leichhardt’s Fate.) — Analysis of the White Sulphur Wa- 
ter of the Artesian Well of Lafayette, Indiana; by Charles M Wetherill, Ph. D., M. D. On the 
Measurement of the Striae of Diatoms; by W. S. Sullivant and T. G. Wormley. — Correspon- 
dence ete. SI 
Nr. 81. enthält: On the Fluctuations of the Water Level at Green Bay, Wisconsin; by Chas. Whitt- 
lesey. — On Parthenogenesis; by E. Regel. — Terrestrial Climate as influenced by the Distribution 
of Land and Water at different geological epochs; by Prof. Hennessy. — Note on the Laws which 
Regulate the Distribution of Isothermal Lines; by Prof. Henry Hennessy. — On the possible Inter- 
section of the orbits of Mars and certain of the Asteroids; by Prof. Daniel Kirkwood. — Contribu- 
tions to the History of Euphotide and Saussurite; by T. Sterry Hunt. — The Dynamic Theory of the 
“Tides; by Maj. J. G. Barnard, A. M. — On some Fossil Plants of Recent Formations; by Leo Les- 
