London, Edinburgh., and Dublin Philosophical Magazine. Fourth Series. Vol. xl. Nos. 264-266. From Dr. W. Francis, F.G.S.
J. Ball. — On the Cause of the Descent of Glaciers, 1.
Archdeacon Pratt. — Reply to M. Delaunay's objection to the late Mr. Hopkins's Method of determining the Thickness of the Earth's Crust by the Precession and Nutation of the Earth's Axis, 10.
J. Croll. — On the Cause of the Motion of Glaciers, 153.
Longman's Notes on Books. Vol. iv. No. 62. August 1870.
Milan. Atti della Societa Italiana di Scienze Naturali. Vol. xii. Fascicoli 3 & 4. February and March 1870.
Proceedings of the Geological Section in Catania, 456.
Escursione ad Aci-Castello, ai Faraglioni e ad Aci-Reale del 24 agosto 1869, 492.
Ascensione dell' Etna del 27 e 28 detto, 495.
Aradas. — Un abozzo del Panorama etneo. Discorso d'apertura della Riunione, 499.
—. Brevissimo sunto della Conchigliologia etnea, 535.
—. Descrizione di una nuova specie del genere Triforis di Deshayes, 547.
Renoit e Aradas. — Nota su alcune conchiglie di Sicilia pubblicate come nuove dal prof. Carmelo Maravigna, 599.
Seguenza. — Intorno la posizione stratigrafica del Clypeaster altus, Lk., 657.
Foti. — Succinta descrizione della geologia di Barcellona e territorj circonvicini, 661.
Monthly Microscopical Journal. Vol. iii. Nos. 19-21. July to September 1870.
S. Allport. — The Microscopical Examination of Rocks and Minerals, 98.
Moscow. Bulletin de la Societe Imperiale des Naturalistes de Moscou. Annee 1869. No. 4. 1870.
P. Kropotkin. — Geognostisches uber den Kreis Mjeschtschowsk im Gouvernement Kaluga nebst palaontologischem Beitrag von H. Trautschold, 215 (1 plate).
R. Hermann. — Ueber die Zusammensetzung des Lawrowits, sowie iiber Vanadiolith, ein neues Mineral, 234.
—. Ueber die wahrscheinliche Identitat von Laxmannit und Vauquelinit, sowie uber Phosphorchromit, ein neues Mineral, 240.
Nature (Journal). Vol. ii. Nos. 34-48. June to September 1870.
H. P. Malet— The Interior of the Earth, 141.
R. C. Hart. — Geology and the Chatham Dockyard, 143.
W. Boyd Dawkins. — Fossil Mammals of North America, 282.
D. Forbes.— On Volcanoes, 283, 336.
A. Geikie. — The Ice-age in Switzerland, 310.
A. H. Green. — Volcanic Agency v. Denudation, 375.
W. Luscombe.— Geology of Devonshire, 376.
J. S. Newberry. — On Ancient Lakes of Western America, their Deposits and Drainage, 385.
G. E. De Rance. — Notes on the Geology of the County around Liverpool, 391.
J. P. Earwaker. — Geological Discoveries in Liverpool, 397.
