EUROPE. 99 



Neumayr, Dr. M. Die Halbinsel Chalkidike. [The Chalkis Penin- 

 sula.] Verh. k.-Jc. geol. Reichs. p. 45. 

 Tertiary deposits occur above the older rocks (see above). 



NeumayT, Dr. M., Dr. Al. Bittner, and Fr. Teller. [Letters from 



N. Greece.] Verh. l:-k. geol. lieichs. pp. 219-227. 

 The letters are dated Chalkis (Euboea), Lamia, Livadia, and Misso- 

 longhi ; and geological notes of the regions thus indicated are given. 



Nicholson, Prof. H. A. Notes on the Correlation of the Graptolitic 

 Deposits of Sweden with those of Britain. Geol. Mag. dec. 2, vol. 

 iii. pp. 245-249, pi. ix. 



Correlates the Olenus and Dictyomrtia schists with the Tremadoc 

 Slates, the L. Graptolitic Schists with the Skiddaw Slates and Quebec 

 group, the Middle Graptolitic Schists with the L. Moffat Shales, and the 

 IJ. Graptolitic Schists with the Coniston Mudstones, SkelgiU series, or 

 U. Moffat Shales. The U. Graptolitic Schists are partly of the age of 

 the Coniston Flags and Grits (U. Silurian). A list of Swedish species 

 is given. 



Divides his genus DkJiograptus into 4 genera, giving diagnoses — Tri- 

 chograptiis^ Schizograjotus, Temnograptus, and Ctenograptas, all from 

 the Skiddaw Slates. W. H. D. 



Niedzwiedzki, J. Beitrage zur Geologic der Karpathen. [Geology 

 of the Carpathians.] Jalirh. Ic.-h. geol. Reichs. Bd. xxvi. Heft 3, 

 pp. 331-342. Abstract in Verh. h.-lc. geol. Reichs. p. 237. 

 Notes the discovery at Przemysl of Ammonites with a Neocomian 

 facies ; also of blocks of Stramberg limestones (= an outlier 160 kilo- 

 metres from the main area). E. B. T. 



Nivoit, — . Sur les Phosphates de Chaux du Terrain Cretace dans 

 le Nord de la France et la Belgique. [Cretaceous Phosphates of 

 Lime of N. France and Belgium.] Compt. Rend. Assoc. Frang, 

 1875, pp. 002-070. 



Describes the phosphate-bearing zones, the nature of the nodules 

 (analyses of 9), their origin, mode of extraction, quantity, &c. 



Nolan, Joseph. Notes of a Geological Tour through the Siebenge- 



birge and the Lower Eifel. Journ. R. Geol. Soc. Ireland^ ser. 2, 



vol. iv. pt. 3, pp. 124-131. 



The Siebengebirge have in general a conoidal form, and are mostly 



formed of trachyte with protrusions of basalt and dolerite, in some cases 



apparently filling up old volcanic vents. The trachyte varies from tho 



porphyritic sanidine-trachyte of the Drachenfels to the trachy-dolerito 



at the Lowenborg. That of the Wolkenberg is composed chiefly of 



oligoclase with some hornblende and biotite, the last mineral being 



common in places, apparently replacing the hornblende. In tho L. 



Eifel, the trass of the Brohl valley is a moi/a or debacle of pumiccous 



mud, enclosing charred branches and fragments of trees, derived from 



ancient pro-volcanic forests. Its most probable source was the old 



h2 



