Vili CONTENTS. 
SCIENTIFIC INTELLIGENCE. 
libra and Physics.—On the influence of electricity on air and oxygen as.a 
means of producing ozone, aaael ,413.—Researches on Platinum.—Scniitzen- 
BERGER, 414.—On new piece of triethylphosphine, Canours and Gat, 415. 
—On silico-propionic acid, FRIEDEL and LADENBURG: On normal amylic alcohol, 
LEBEN and Rossi, 416 ede ee of the fatty acids into the correspond- 
ing alcohols, Sayrzurr, 417. 
ol and Mineralogy. —Laurentian Rocks of Nova Scotia, by Rev. Dr. Honry- 
the U. 
, 417.—Descriptions of Fossils collected by 8. Geological Survey 
mndek the charge of Clarence King, Hsq., Meek: Discovery of a Mastodon, 
422.--Description of the Cavern of Bruniquel, and its organie Contents, by 
Professor OWEN, 423.—The ins American Lakes as Chronometers of Post- 
glacial time, Dr. E. ANDREws: Descriptions of new Fossil Shells of the Upper 
Amazon, by T. A. ConraD: oskcgites of a Flying Dragon (Dimorphodon ma- 
cronyx 0.) from fossil remains in the Lias-cliffs of Dorsetshire, by Prof. Owey, 
424. —Remarks on Prof. Owen’s Monograph on Dimorphodon, by H. G. SEELEY: 
pro Charts : a Géologique du versant Occidental de L’Oural, by 
RIEN DE MOLLER: Second annual Report upon the Geology and Mineralogy ~ 
ibe ie State of Seria by ©. H. Hrrcncock, 425. 
Botany and Zoology.—Martius, mig pogeiee a xlix, Cyatheaces et Poly- 
podiaceze, exposuit J. G. B 25. — Anatomisch-Systematische Beschrei 
bung der eee Erste ewan ; die Pemee erste Hialfte, von 
A. K6.Liker: The External and Internal Parasites of Man and Domestic Ani- 
mals, by LY . VERRILL, 430.—On the Eared Seals Seige with detailed 
a te of the North Pacifie species, by J. A. ALLE and CHARLES 
BRYA Record of American Entomology for the year ‘tine ‘edited by A. 8. 
iia Jr, 431. Riri asin achpomess with special reference to the 
Muscles of the ape shad ELLIOTT : On the Hypothesis of Evolution, by 
Epwarp D. Cop 
ie of the new planet Ate, by Dr. C. H. F. Peters, 432. 
Miscellaneous Scientific Intelligence—On the Chemistry of the Bessemer process, Dut- 
TON, 432.—Earthquake of Oct. 20th, 1870, 434.—Kansas Nat. Hist. Society, 435. 
spernere of errata in the “ Notes on the structure of oo Crinoidea, ete.,” 436. 
— Obituary.—Capt. J. Pedersen. 436.—Dr. W. A. Miller: 1 tide 437- 
Miscellaneous Bibliography.—Transactions of the Connecticut Academy of Arts © 
and Sciences, Vol. II, Part I, 437.—A Treatise on Elementary Geometry, by 
flachen in synthetischer korea von Lupwic Cremona, 438.—A historical 
and descriptive narrative of the Mammoth Cave of Kentucky, by W. Stump 
Norwoop: Tent life in ace and Adventures among the Koraks and other 
Tribes in Northern Kamtchatka and Northern Asia, by Gzorar Kiynan: Report 
of the Superintendent of the U. S. Coast Survey, showing the progress of the 
ay a 
drive Flour Mills, ete, by Josep Gtyny, F.R.S., 439.—Archives of Science 
and Transactions of the Orleans Co. Society of Natural Sciences: The American 
ee Botanist: Geology and Revelation, or the Ancient History of 
the Earth, by the Rev. Gaeary Mottoy, D.D., 440. 
Books received : Proceedings of Societies, etc., 440. 
Index to vols. xli, 441. 
