Canadian Journal. New Series. Vol. xii. No. 5. April 1870. J. L.|Thompson. — On the Cause of the Glacier Motion, 412.
Canadian Naturalist and Quarterly Journal of Science. New Series. Vol. iv. No. 4. December 1869.
T. S. Hunt. — Volcanos and Earthquakes, 387.
E. Billings. — Notes on the Structure of the Crinoidea, Cystidea, and Blastoidea, 426.
F. B. Meek and A. H. Worthen. — Notes on some points in the Structure and Habits of the Palaeozoic Crinoidea, 434.
Igelstrom, Nordenskiold, and Ekmann. — On the Existence of Rocks containing Organic substances in the Fundamental Gneiss of Sweden, 452.
T. Macfarlane. — On the Geology and Silver-ore of Wood's Location, Thunder Cape, Lake Superior. Part 2, 59.
Geology and Mineralogy, 467.
Chemical News. Vol. xxi. Nos. 539-551 .
Chemical Society. Journal. Second Series. Vol. viii. April and May 1870.
Colliery Guardian. Vol. xix. Nos. 482-494.
Copenhagen. Oversigt over det Kongelige danske Videnskabernes Selskabs Forhandlinger. 1868, No. 5; and 1869, No. 2.
Dresden. Sitzungs-Berichte der naturwissenschaftlichen Gesellschaft Isis zu Dresden. Jahrg. 1869. Nos. 10-12. October to December.
H. Credner. — Ueber das Massenvorkommen von gediegenem Kupfer in Nordamerika, 182.
W. Hilgard. — Ueber das Neueste in der Geologie der Sudweststaaten Nordamerikas, 183.
Otto. — Die Neueren Untersuchungen auf Steinsalz in Preussen, 188.
Gunther. — Einiges uber in der Menschenzeit ausgestorbene Thiere, 227.
G. Jenzsch. — Einige Worte in Betreff seiner Eruptivgesteins-Organismen, 248.
East India Association. Journal. Vol. iv. No. 1. 1870.
Einsiedeln. Protokoll der geologisch-mineralogischen Sektion der Versammlung der Schweizerischen Naturforschenden Gesellschaft in Einsiedeln, den 25. August 1868.
Electric Telegraph and Railway Review. Vol, i. Nos. 11-16.
Florence. Bollettino del Reale Comitato Geologico d'ltalia. Nos. 2-5. February to May 1870.
I. Cocchi. — Cenno sui terreni stratificati dell' Isola d'Elba, 39, 70.
G. Negri ed E. Sprenafico. — Saggio sulla Geologia dei dintorni del Lago di Lugano, 56.
E. Bechi. — Analisi chimica della Selagite di Montecatini di Val di Cecina, 64.