BtJPPLEMENT FOR 1874. 36t' 



Tschekanowskij, A. [Geological Examination of the Irkutsk Pro- 

 vince.] Isivestija Sihirsk. Otd. Imp. Boss. Qeogr. Obiv. Bd. xi. 

 The coal-bearing beds (5 divisions) are Jurassic. Silurian, Devonian, 

 and Glacial beds are also described. 



Tschermak, G. [Meteoric Iron of Greenland, &c.] Naturforscher^ 

 ■ nos. 49-52. 



Van Horen, [Dr.] Pr. Polypiers nouveaux du terrain devonien de- 

 Belgique. [Devonian Corals of Belgium.] Ann. Soc. Mai. Belg. • 

 t. viii. Bull. p. cxxxiv. 



Vincent, [G.] [Heersian Fossils.] Ann. Soc. Mai. Belg. t. viii. 

 Bull. pp. xliv, xlv. 



White, J. C. Not^s on the Coal Measuies of Beaver County, Penn- 

 sylvania. Ann. Lye, Nat. Hist. N. York, vol. xi.- pp. 14-18. 



Notes on the Upper Coal Measures of Western Virginia and 



Pennsylvania. Ibid. pp. 46-57. 

 These two papers consist of remarks on the principal beds of coal, &c. 



Winter, F. Analyse einer kohlensaurehaltigen Mineralquelle bei 

 Gerolstein in der Eifel. [Carbonated Mineral Water of Gerolstein, 

 Eifel.] Verh. nat. Ver. preuss. Rheinl. F. 4, Bd. i. p. 87. 



Young, Prof. John. Physical Geography. Pp. 368. 8vo. London 

 ' and Glasgow. 



Chap. i. (pp. 13-54) is geological; and there are geological references 

 throughout, the subject being treated to a large extent from a geological 

 point of view. W. W. 



Zigno, Baron A. de. Catalog© ragionato dei Pesci fossili di Monte 

 Bolca e Monte Postale. [Catalogue of Fossil Fish of Mts. Bolca 

 and Postale.] Atti R. 1st. Ven. Sci. ser. iv. vol. iii. pp. 9-199. 



Enumerates 170 species. 



Zirkel, F. Der Phyllit von Recht im Hohen Venn. Verh. nat, Ver, 

 preu88. Bheinl. F. 4, Bd. i. pi. i. p. 83. 



Zsigmondy. W. Das Heilbad Buzias und die daselbst in neuester 

 Zeit ausgefiihrten Bohrungen. • [Recent Borings at the Baths of 

 Buzias, near Temesvar.] Jahrh. hon.-ung. geol. Anst. p. 159, map. 



.^I^dex to the Colours and Signs employed on the Maps and Sections 

 • -of the Geological Survey of Great Britain. 



A coloured sheet. The rocks, as developed in various districts, are 

 shown in parallel columns. 



