Philadelphia. Proceedings of the Academy of Natural Sciences. 1868 (continued).
F. A. Genth. — Observations on the occurrence of Cupriferous Ores in Texas, 227.
J. Leidy. — Notice of some remains of Extinct Pachyderms, 230.
E. D. Cope. — -On some Cretaceous Reptilia, 283.
R. P. Stevens. — Remarks on the Geology and Mineralogy of Venezuela, 803.
J. Leidy. — Notice of some remains of extinct Insectivora from Dakota, 815.
F. B. Meek and A. H. Worthen. Note on some points in the structure and habits of the Palaeozoic Crinoidea, 323.
—. Remarks on some types of Carboniferous Crinoidea, with descriptions of new genera and species of the same, and of one Echinoid, 335.
Photographic Society. Journal. Nos. 210-212. October to December 1869.
Plymouth. Annual Report and Transactions of the Plymouth Institution and Devon and Cornwall Natural-History Society. Vol. iii. Part 2. 1868-69.
Puy, Annales de la Societe d' Agriculture du. Vol. xxviii. 1866-67.
H. Vinay. — Decouverte de coquilles marines fossiles, 811.
Quarterly Journal of Science. No. 24. October 1869.
W. Crookes. — On the Spectral Phenomena of Opals, 481 (2 plates).
E. C. Danvers. — Coal-washing, 487.
The Mineralogical Resources of Ireland, 500.
Chronicles of Geology and Mineralogy, 542, 553.
Quekett Microscopical Club. Journal. No. 8. October 1869.
Royal College of Surgeons. Calendar. 1869.
Royal Geographical Society. Proceedings. Vol. xiii. No. 5. November 1869.
Royal Society. Catalogue of Scientific Papers. Vol. iii. Gee to Lez. 1869.
St. Petersburger Zeitung. Montags-Blatt No. 22. 1869.
G. von Helmersen. — Zur Steinkohlenangelegenheit in Russland, 1.
Scientific Opinion. Vol. ii. Nos. 49-57. October to December 1869.
Prof. Owen. — On the Occurrence of Remains of the Elk (Alces palmatus) in British Post-Tertiary Deposits, 889.
The New Outbreak of Vesuvius, 889.
T. S. Hunt.— On the probable Seat of Volcanic Action, 426, 450.
M. E. Frassard. — On the relation between the Lherzolite and the Serpentine of the Pyrenees, 452.
The Cheshire Salt-springs, 471.
W. Boyd Dawkins. — On the Antiquity of the Iron-mines of the Weald, 492, 509.
