ROa-~ROL 



Rogers (Henry Darwin). An Inquiry into the Origin of the Appala- 

 chian Coal Strata, Bituminous and Anthracitic. (Tract.) 2 copies. 



8vo. Boston, 1843. 



. An Address on the recent progress of Geological Eesearch in the 



United States. Delivered at the fifth Annual Meeting of the Asso- 

 ciation of American Geologists and Naturalists, 1844. (Tract.) 

 3 copies. 8vo. Philadelphia^ 1844. 



. On the origin of the Parallel Eoads of Lochaber (Glen Eoy), Scot- 

 land. (Tract.) 8vo. London, 1861. 



. See EoGEES (William B.) ; and Surveys, New Jeeset and Penn- 



STLYAIflA. 



and Rogers (William B.). An account of two remarkable trains 



of angular erratic blocks in Berkshire, Massachusetts, with an 

 attempt at an explanation of the phenomena. (Tract.) 



8vo. Boston, 1846. 



. On the Geological Age of the White Mountains. (Tract.) 



8vo. Neiu Haven, 1846. 



Rogers (Eobert E.). See Eogees (W. B.). 



Rogers (William B.). On the Auriferous Eocks of Virginia. (Tract.) 



8vo. London, 1836. 

 . Proposed plan of a Geological Survey. (Tract.) 



8vo. London, 1836. 



. Eeport of the Geological Eeconnoissance of the State of Virginia. 



(Tract.) 8vo. Philadelphia, 1836. 



. Observations of Subterranean Temperature in the Coal-mines of 



Eastern Virginia. (Tract.) 2 copies. 8vo. Boston, 1843. 



. On the Age of the Coal-Eocks of Eastern Virginia. (Tract.) 



2 copies. 8vo. Boston^ 1843. 



. On the Connection of Thermal Springs in Virginia with Anti- 

 clinal Axes and Faults. (Tract.) 2 copies. 8vo. Boston, 1843. 



. Proofs of the Protozoic Age of some of the altered rocks of 



Eastern Massachusetts, from fossils recently discovered. (Tract.) - 



8vo. Cambridge, 1856. 



. See EoGERS (Henry D.) ; and Sue vets, Virginia. 



and Rogers (Henry D.). Contributions to the Geology of the 



Tertiary Eormations of Virginia. (Tract.) 2 copies. 



4to. Philadelphia, 1835. 



. On the Physical Structure of the Appalachian Chain, as 



exemplifying the laws which have regulated the elevation of great 

 mountain chains generally. (Tract.) 2 copies. 8vo. Boston, 1843. 

 and Rogers (Eobert E.). On the absorption of Carbonic Acid Gas 



by Liquids. (Tract.) 8vo. New Haven, 1848. 



Roget (Peter Mark). Thesaurus of English Words and Phrases, classi- 

 fied and arranged so as to facilitate the expression of Ideas and 

 assist in Literary Composition. 15th edition. 8vo. London, 1864. 



Roissy (Eelix de). Catalogue des livres d'histoire naturelle et autrea 

 composant sa bibliotheque. (Tract.) 8vo. Paris, 1844. 



RoUand du Roquan (Oscar). Eudistes du terrain cretace des Corbieres. 



4to. Carcassonne, 1841. 



Rolle (Eriedrich). Mikropetrographische Beitrage aus der rhatischen 

 Alpen. (Tract.) Svo. Wiesbaden, 1879. 



2]? 



