34 GEOLOGICAL MEMOIRS. 
NEW BOOKS. 
Breithaupt, A. Handbuch der Mineralogie, vol. ii. 2nd part, with 
6 plates. Dresden. 
Holger, Ph. von. Elemente der Geognosie, nach streng wissenschaft- 
licher Konsequenz, zusammengestellt, 2nd part. “Vienna. 
Sandberger, Fred. Ubersicht der geologischen Verhialtnisse des 
Herzogthums Nassau, 8vo, pp. 144, with geological map. 
Wiesbaden. 
Senft, Ferd. Lehrbuch der Geologie und Petrefaktenkunde, parts 
2 & 3, 8vo, with many cuts. 
Schmid, Fr. A. Deutsche Bergwerks-Zustande, 8vo, pp. 307. 
Dresden. 
Collegno, M. Elementi di Geologia, 8vo. Turin. 
Sismonda, Eug. Synopsis methodica animalium invertebratorum 
Pedemontii fossilium, editio altera, 8vo, pp. 62. Augustze 
Taurmorum. 
Freisleben, J. C. Vom Vorkommen der Silbererze in Sachsen, 8vo. 
Freiburg. 
Hausmann, J. F. W. Handbuch der Mineralogie, 2 Theil, 4 Liefg. 
Svo. Gottingen. 
Gruner, M. Notice sur la Constitution géologique du Département - 
de la Loire, 8vo. 
Pictet, F. J. Description des Mollusques fossiles qui se trouvent 
dans les grés verts des environs de Geneve, 1'¢ liv. Céphalopodes, 
4to, plates. 
De la Beche, Sir H. T., and Dr. Lyon Playfair. First Report on the 
Coals suited to the Steam Navy, folio. 
Smith, Dr. J. P. On the relation between the Scriptures and some 
parts of Geological Science, 4th edition, 8vo. 
Wood, 8. V. Monograph of the Crag Mollusca, part 1, Univalves, 
4to, with 21 plates. For the Paleeontographical Society. 
