GENERAL SCIENCE. 



921 



Roemer, Friedrich Adolph, (cont.). Die Versteinerungen des Nord- 

 deutschen Kreidegebirges. 4°. Hannover, 1841. 



Roentgen, Paul Ludwig. Bemerknngen iiber Dodonaus Leben und 

 Schriften nebst einem Commentar zu dessen Werke : Stirpium 

 Pemptades sex : Inaug.-Dissert. 8°. Wurzburg, 1842. 



Roerig. See Bbrig. 



Roesel von Rosenhof. See Edsel von Eosenhof. 



Roger, (le Baron). Recherches Philosophiques sur la langue Onolofe, 

 suivies d'un Vocabulaire abrege Francais-Ouolof. 



8°/ Paris, 1829. 



Roger, Oustave. Etude sur les Courants interrompus. (Paris, Theses 

 Fac. Sci., No. 342.) 4°. Paris, 1872. 



Rogers, Henry D. Address delivered at the Meeting of the Associa- 

 tion of American Geologists and Naturalists held in Washington 

 May 1844. 8°. New Haven, 1844. 



See also Surveys : United States, Pennsylvania. 



and Bache, A. JD. Analysis of some of the Coals of Pennsylvania. 



8°. Philadelphia, 1834. 



and Rogers, W. B. An Account of two remarkable Trains of 



Angular Erratic Blocks in Berkshire, Massachusetts, with an 

 attempt at an explanation of the phenomena. 8°. Boston, 1846. 



Rogers, Henry Baymond. New and original Theories of the Great 

 Physical Forces. 12°. New York, 1878. 



Rogers, J. A Dissertation on the Knowledge of the Ancients in 

 Astronomy and Optical Instruments ; on the physical causes of 

 the earth's diurnal and annual motions ; on the distances of the 

 planets from the sun, and on its magnitude. 8°. London, 1755. 



Roget, Beter Mark. An Introductory Lecture on Human and Com- 

 parative Physiology. 8°. London, 1826. 



Description of the new Sliding Rule of Involution invented 



by Dr. R. ; with instructions for using it. 8°. London, 1828. 



Abstract of the Gulstonian Lectures read to the Royal College 



of Physicians on the 2nd, 4th, and 9th of May, 1832. 



8°. [London, 1832.] 



Age. (From the Cyclopaedia of Practical Medicine.) 



8°. London, 1832. 



Asphyxia. (From the Cyclopaedia of Practical Medicine.) 



8°. London, 1832. 



Treatises on Electricity, Galvanism, Magnetism, and Electro- 

 Magnetism. (Libr. of Usef. Knowl.) 8°. London, 1832. 



Animal and Vegetable Physiology considered with reference to 



Natural Theology. (Bridgewater Treatises, vols. 6, 7.) 



2 vols. 8°. London, 1834. 



Third edition. 2 vols. 8°. London, 1840. 



Treatise on Phrenology, contributed to the Encyclopaedia 



Britannica, seventh edition. 4°. Edinburgh, 1838. 



