PHILOSOPHICAL SOCIETY OF WASHINGTON. 36t 



1871. Suggestions as to Meteorological Observations ; during the Expe- 

 dition toward the North Pole. Smithsonian Report, 1871, pp 

 372-379. ^ 



1871. Meteorological Notes and Remarks. Smithsonian Report, 1871 

 pp. 452, 455, 456, 459, 461. 



1871. Effect of the Moon ou the Weather. Smithsonian Report 1871 

 pp. 460, 461. 



1871. Anniversary Address as President of the Philosophical Society 



of Washington. (Delivered Nov. 18.) Bulletin Phil. Soc. 

 Washington, vol. i. pp. 5-14. 



1872. Eeraarks ou Cosmical Theories of Electricity and Magnetism : an 



Appendix to a Memoir by Prof. G. B. Donati. Smithsonian 

 Report, 1872, pp. 307-309. 



1872. On certain Abnormal Phenomena of Sound, in connection with 



Fog-signals. (Read Dec. 11.) Bulletin Phil. Soc. Washington, 

 vol. i. p. 65, and Appendix ix. 8 pp. 



1873. Letter to John C. Green, Esq.. of New York, on his establishment 



of the " Henry Chair of Physics" in the College of New Jersey. 

 Washington Daily Chronicle, Mar. 21. 1873. 

 1873. Telegraphic Announcements of Astronomica] Discoveries. (May.) 

 Smithsonian Miscell. Collections, No. 263, vol. xii. pp. 1-4. 



1873. Remarks on the Light-House Service. Report of Light-House 



Board, 1873, pp. 3-7. 



1874. Report of Investigations relative to Fog-Signals, and certain ab- 



normal phenomena of Sound. Report of Light-House Board, 



1874. Appendix, pp. 83-117. 



1874. Memoir of Joseph Saxton. (Read Oct. 4.) Biograj)hical Me- 

 moirs of Sat. Acad. Sci. vol. i. pp. 287-316. 



1874. Remarks on Recent Earthquakes in North Carolina. Smithsonian 



Report, 1874, pp. 259, 260. 



1875. Remarks on the Light-House Service. Report of Light-House 



Board, 1875, pp. 5-8. 

 1875. An account of investigations relative to Illuminating Materials. 



Report of Light- House Board, 1875. Appendix, pp. 86-103. 

 1875. Investigations relative to Sound. Report of Liaht House Board, 



1875. Appendix, pp. 10-^126. 



1875. On the Organization of Local Scientific Societies. Smithsonian 



Report, 1875, pp. 217-219. 



1876. Article on " Fog," for Johnson's Universal Cyclopsedia. Edited 



by Dr. Barnard. J. Univ. Cycl. vol. ii. pp. 187, 188. 



1876. Article on '• Fog-Signals" for Johnson's Universal Cyclopaedia. 



ICdited by Dr.Barnard. J. Univ. Cycl. vol. ii. pp. 188-190. 



1877. Article on "Lightning" for Johnson's Universal CyclopEedia. 



Edited by Dr. Barnard. /. Univ. Cycl.Yol. in. pp. 32-36. 



1877. Article on " Ligrhtning-Rods" for Johnson's Universal Cyclopsedia. 

 Edited by Dr. Barnard. J. Univ. Cycl. vol. iii. pp. 36, 37. 



1877. Remarks on the Light-House Service. Report of Light-House 

 Board, 1877, pp. 3-7. 



1877. Report of Operations relative to Fog Signals. Report of Light- 

 House Board, 1877. Appendix, pp. 61-72. 



1877. Address before the Philosophical Society of Washington. Bul- 



letin Phil. Soc. Washington, vol. ii. pp. 162-174. 



1878. On Thunder Storms (Letter Oct. 13.) Journal Am. Electrical 



Society, 1878, vol. ii. pp. 37-43. 



84 



