Paris. Comptes Rendus hebdomadaires des Seances de l'Academie des Sciences. Deuxieme Semestre 1868. Tome lxvii. Nos. 7-22 (continued).
F. Pissis. — Tremblement de terre eprouve le 13 aout 1868 dans la partie occidentale de l'Amerique du sud, 1066.
— Simonin. — Tremblement de terre ressenti en Californie le 21 octobre, 1069.
C. Grad. — Constitution et origine des lacs des Vosges, 1071.
G. Ville. — Sulfate d'ammoniaque dans les lagoni de la Toscane, 1075.
—. Nouvelles Archives du Museum d'Histoire Naturelle de Paris. Tome iii. Fasc. 3 & 4. 1867.
—. Tome iv. Fasc. 1 & 2. 1868.
Philadelphia. Proceedings of the American Philosophical Society. Vol. X. No. 77.
Dr. Hayden. — Remarks and observations in regard to the Lignite- beds of the country on the Upper Tributaries of the Missouri, 300.
J. L. Smith. — New Meteoric Iron from Mexico, 330.
Photographic Journal. Nos. 198-200. October to December 1868.
Quarterly Journal of Microscopical Science. New Series. No. 32. October 1868.
T. H. Huxley. — On some organisms living at great depths in the North Atlantic Ocean, 203.
J. Moggridge. — On the " Muffa " of the sulphur-springs at Valdieri, 223.
Quarterly Journal of Science. No. 20. October 1868.
H. W. Crosskey. — Post-tertiary beds of Norway and Scotland, 461.
A. H. Green. — Iron-pyrites mines of Andalucia, 468 (plate).
Royal Geographical Society. Proceedings. Vol. xii. No. 5. October 1868.
Bishop of Honolulu. — Sandwich Islands, 305.
Tennant. — Diamonds in Cape Colony, 322.
Bickmore. — Description of the Banda Islands, 324.
Cockburn. — Physical Features of Belize, 341.
Royal Society. Proceedings. Vol. xvi. Nos. 104 & 105. 1868.
St. Louis. Transactions of the Academy of Sciences of St. Louis. Vol. ii. Part 3. 1868.
C. C. Parry. — Passage through the Great Canon of the Colorado, 499.
E. Harrison. — Age of the Porphyry hills of south-east Missouri, 504.
G. C. Swallow. — Geology of Kansas, 507.
J. Marcou. — Dyas in Nebraska (translation), 562.
N. Holmes. — Loess and Drift, 565.
Salem. Proceedings of the Essex Institute. Vol. v. Nos. 5 & 6. January and April 1868.
Eozoon canadense, 110.
