103 



De Morgan, Augustus. Elementary Illustrations of the Differen- 

 tial and Integral Calculus. 8° London, 1832. P. 534. 



Differential and Integral Calculus. [Library of Useful 



Knowledge.] 8° London, 1836. 



Mathematics. [Library of Useful Knowledge.] 8" Lon- 

 don. 1836. 



Derham, W. Godgelteerde Natuurkunde. Vertaalt door Abra- ' 

 ham Van Loon. 4" Leiden, 1739. (Abraham Cornelius 

 Tris.) 



Desaguliers, J. T. See Gravesande, W. J. 

 Des Barres, J. F. W. See Geography. 

 Desmarest, a. G. See Bosc, L. A. G. 



Despard, Colonel, and his Associates. Trial of, in England, for 



High Treason and a Conspiracy, &c. 8° New York, 



1803. (Clinton Coll.) P. 52. 

 Deville, a. Tombeaux de la Cathedrale de Rouen. 8° 1833. 



(James Stevenson.) 

 Dewey, Orville. Discourse, in Roxbury, at the Ordination of the 



Rev. George Putnam, &c. 8"' Boston, 1830. (Webster 



Coll.) P. 220. 



Dewey, Timothy. Observations on the Art of Writing. 8» 



Albany, 1808. (Webster Coll.) P. 307. 

 De Witt, Benjamin. Catalogue of the Minerals in his Cabinet. 

 8° Albany, 1820. (R. V. De Witt.) P. 3. 



tetter on Chimney Fire-Places. 8" Albany, 1810. 



(Webster Coll.) P. 321. 

 — — See History. 



De Witt, Simeon. Elements of Perspective. 8° Albany, 1813. 

 (Author.) 



Drawing in Perspective Mechanically. (Webster Coll.) 



P. 221. 



See Beck, T. Romeyn. 



Dialogues. Dialogue between Robert Earl of Oxford, Earl 

 Mortimer, and Sir W. P— le, a Knight of Devon. 8« 

 London, 1716. (Mack. Coll.) P. 275. 



Dick, Thomas. On the Improvement of Society by the Diffu- 

 sion of Useful Knowledge. 12" New York, 1833. 



Dickerson, Mahlon. Speech, in Congress, on the Distribution 

 Bill. 80 Washington, 1829. (J. Sutherland.) P. 134. 



