108 BIBLIOGRAPHY OF BRACHIOPODA. 



1839 Murchison, R. I. The Silurian System; founded on Geological Researches in the 



Counties of Salop, Hereford, Radnor, Montgomery, Caermarthen, Brecon, 

 Pembroke, Monmouth, Gloucester, Worcester, and Stafford ; with description 

 of the Coalfields and overlying formations. 2 vols. 4to. London. 



1840 — Sur les roches devoniennes [type particulier de l'Old Red Sandstone des geolo- 



gues anglais] qui se trouvent dans le Boulonnais. Bull. Soc. Geol. France, t. 

 xi, pp. 229—256. N. Jahrb., 1841, pp. 772— 78G. 



1845 On the Palaeozoic Rocks of Scandinavia and Russia, particularly as to the 



Lower Silurian Rocks which form their true base. Rep. Brit. Assoc, for 1844, 

 Sections, pp. 53 — 55. 



1845 On the Permian System as developed in Russia and other parts of Europe. 



Quart. Joum. Geol. Soc., vol. i, pp. 81 — 87. 



— On the Palaeozoic Deposits of Scandinavia and the Baltic Provinces of Russia, 



and their Relations to Azoic or more ancient Crystalline Rocks ; with an 

 account of some great features of dislocation and metamorphism along their 

 northern frontiers. Ibid., pp. 467 — 494. 



1847 On the Silurian and Associated Rocks in Dalecarlia and on the Succession 



from Lower to Upper Silurian in Smoland, Oland, and Gothland, and in Scania. 

 Ibid., vol. iii, pp. 1 — 48, pi. i. 



1849 On the Geological Structure of the Alps, Apennines, and Carpathians, more 



especially to prove a transition from Secondary to Tertiary rocks and the deve- 

 lopment of Eocene deposits in Southern Europe. Ibid., vol. v, pp. 157 — 312. 



1851 — ■ — The Slaty Rocks of the Sichon, or northern end of the Chain of the Forez in 

 Central France, shown to be of Carboniferous Age. Ibid., vol. vii, pp. 13 — 18. 



1851 On the Silurian Rocks of the South of Scotland. Ibid., vol. vii, pp. 



137—169. 



1852 On the Anticipation of the Discovery of Gold in Australia; with a General 



View of the Conditions under which that Metal is Distributed. Ibid., vol. viii, 

 pp. 134—136. 



On the Meaning of the term " Silurian System " as adopted by Geologists in 



various countries during the last ten years. Ibid., pp. 173 — 184. 



1854 Siluria. The History of the Oldest Known Rocks containing Organic Remains 



with a brief sketch of the Distribution of Gold over the Earth. 8vo. London. 

 Ed. ii, 1857 ; Ed. iii, 1859 ; Ed. iv, 1867 ; Ed. v, 1872. 



1855 General Observations on the Palaeozoic Rocks of Germany. Rep. Brit. Assoc. 



for 1854, Sections, pp. 87 — 91. 



— Additional Observations on the Silurian and Devonian Rocks near Christiania 



in Norway, on presenting M. Theodor Kjerulf's new Geological Map of the 

 District. Quart. Joum. Geol. Soc, vol. xi, pp. 161 — 165. 



1858 The Silurian Rocks and Fossils of Norway as described by M. Theodor 



Kjerulf, those of the Baltic Provinces by Professor Schmidt, and both compared 

 with their British Equivalents. Ibid., vol. xiv, pp. 36 — 53. 



