GERMANY. 27 



Muencheberg — p. 372-376. (Richter) Contents of the Zechstein of Thuringia ; 

 with a plate — p. 526-533. (Roemer) The older strata in the neighbourhood of 

 Aix, illustrated by comparison with the Geology of the South of Belgium — p. 

 377-398. (Same) Observations on the chalk formation of the neighbourhood 

 of Aix, from researches in 1853 — p. 534-546. (Saint-Claire-Deville) On the 

 Eruption of Vesuvius on the 1st of May, 1855; Extract from Comptes Rendus 

 de l'Acad. Fr. — p. 511-525. (Strombeck) On the Geological Antiquity ofBelem- 

 nitella mucronata and quadrata — p. 502-510. 



Neues Jahrbuch fuer Mineealogie Geognosie u. s. w. New Annals oe 

 Mineralogy, Geognosy, Geology, and Paleontology. 8vo. Stuttgart. 1855. 

 Parts VI. and VII. 



Original Communications. (Quenstedt) On Eugeniacrinites caryophyllatus ; 

 with two woodcuts — p. 669-673. (Vogel, A., Jun.) Analysis of some Minerals, 

 Arsenical and Hydrated Pyrites — p. 674 676. (Weiss) Fundamental principles 

 of Mechanical Geology. Part IV. — p. 769 794. (Deiche) On a singular position 

 of Fossils in the Marine Molasse of East Switzerland — p. 795-797. Signalizing 

 the occurrence of boring Mollusca, not only in calcareous rocks, but in the 

 Zechstein and Sandstone. See next page, for a notice of Cailliaud's essay on 

 boring Mollusca, in the Transactions of the Haarlem Society. (Jentzsch) 

 Third Appendix to his Essay upon Amygdalophyr, and its characteristic 

 Minerals, Chlorophanerite and Weissigite — p. 798-805. Correspondence — 

 p. 677-681, 806-809. Literary Notices and Extracts— p. 682-768, 810-878. 



Volume for 1856. Part I-V. 



(Posselt) The Copper region of Lake Superior — p. 1-10. (Wiser) Report on 

 the Minerals of Switzerland in his collection — p. 1.1-18. (Kauss) On a perfect 

 jaw of Halitherium with teeth ; with a plate and woodcuts — p. 19-21. (Gergens) 

 On Crystallized Minerals imbedded in the Chalcedony of Oberstein — p. 22,23. 

 (Deicke) Geognostical sketch of the Lower Thurgau, and of the environs of 

 Oeningen ; with a woodcut — p. 129-134. (Gergens) On some Pseudomorphoses 

 from the Lead mine of Kautenbach, near Berncastel, Mosel — p. 135 139. 

 (Gastendyk) The district about Windingen, in the Principality of Waldeck ; with 

 a plate — p. 140-145. (Naumann) On the Crystalline order of Quartz according 

 to Descloiseaux — p. 146-166. Not of the Rhomboedric, but a Tetartoedric order of 

 the Hexagonal system. (Burkhart) On the position of the known masses of 

 Meteoric iron in Mexico, and Remarks on the Origin and Composition of 

 Aerolites; with a plate — p. 257-307. (Barrande) On the distinctive characters 

 of the Nautilidae, Goniatitidse, and Ammonitidse, and the new genus Nothocera; 

 with a plate — p. 308-325. (Dieffenbach) Observations on the Mineral riches of 

 the United States of North America; continued — p. 385-394. (Stifft) Chemical 

 analysis of the Orthite of Weinheim in Baden — p. 395-397. (Leonhard) Arti- 

 ficial Graphite; a fragment from " The products of Metallurgy as the Fulcra of 

 Geological Hypotheses" — p. 398-417. Pieces of ancient Roman pottery, dug up 

 at Londinieres in the dep. of the Lower Seine, were found blackened by a 

 substance presenting the characters of black lead. From the circumstances in 

 which the carbonaceous deposits occur in iron furnaces, the author concludes that 

 they had been previously in a gaseous state, and points to the geological position 

 of the Graphite of Borrowdale, in Cumberland, &c, as consistent with a similar 

 origin. (Plaff) Critique of Weiss' " Fundamental Principles of Mechanical 

 Geology" — p. 513-532. (Sandberger) Studies of the Tertiary formation of 

 Mayence — p. 533-536. (Maeretins) The formation of Stalactites, in the 

 Baumanns, and Bills-Hoehle, of the Bodethal, Harz — p. 537-541. Corres- 

 pondence— p. 24-28, 166-173, 326-335, 418-423, 542-545. New Books— p. 29, 

 30, 174, 336, 337, 424, 546. Scientific Journals_p. 30-34, 174-179, 337-343, 

 425-430.547-551. Reviews and Extracts— p. 35-128, 180-256, 344-384, 431- 

 512, 552-610. 



