EIC 



429 



Richardson (Ealph). On Peat as a substitute for Coal. 



8vo. EdinhurgJi, 1873. 



. A Tale of Ages. 8vo. Edinburgh, 1874. 



. The Ice Age in Britain, considered in relation to the Depth of 



the North Atlantic Ocean. (Tract.) 8vo. Edinburgh, 1876. 



Richardson (William). A Letter on the alterations that have taken 

 place in the structure of rocks, on the surface of the basaltic 

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4to. London, 1808. 



. Letters to the Eey. J. Dubourdieu on Zeolite and Ochre ; on the 



basaltic productions, &c. of the county of Antrim ; and an Itinerary 

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. An "Appendix No. 1" on Irish mineralogy, &c. 



8vo. No date. 



. Account of the Peninsula of Portrush. (Tract.) 8vo. Neivry. 



. Letter to the Countess of Gosford, to which is added a minute 



account of the materials and arrangement of our strata, for sixty 

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2nd letter. (Tract.) 8vo. Newry, 1816. 



. On the similitude, and difference, in the original formation of 



the Island of St. Helena, and the basaltic districts in the county of 

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• . Eemarks on Mr. Whitehurst's inquiry as to the Original State 



and Formation of the Earth. (Tract.) 8vo. Neivry, 1816. 



. A description of the Basaltic coast from Magilligan to Glenarm. 



(Tract.) 8vo. Neivry, 1817. 



— — . Observations on Memoirs published by the Geological Society, 

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Richter (Eeinhard). (Beitrag zur Palaontologie des Thiiringer-"W"a.ldes.) 

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Richter (Th.). See Plattnee (K. P.). 



Richthofen (Perdinand von). Ueber die Bildung und Umbildung 

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♦ Pirst preliminary notice of Geological Explorations in China. 



(Tract.) 2 copies. 8vo. Philadelphia, 1869. 



— — . China. Ergebnisse eigener Eeisen und darauf gegriindeter 

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— . See Hauee (Pranz von)* 



Rickard (P. Ignacio). A mining journey across the Great Andes. 



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^ — i The Mineral and other resources of the Argentine Eepublic (La 

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Ricketts (Charles). Essays on Physical Geology. 8vo. Liverpool, 1873* 



— — . The Metamorphic Eocks of the Malvern E&nge, and the strata 

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— — . The Cause of the Glacial Period, with reference to the British 

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