SCIENTIFIC PAPERS OF HENRY. 373 



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. 6 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, 1-7::. 

 1873. On Telegraphic Announcements of Astronomical Discoveries. (.May. ) .Smith- 

 sonian Miscell. Collections. No. 2G3, vol. xii. pp. 1-4. 



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



pp. 3-7. 



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



phenomena of Sound. Report of Light- House Board. 1874. Appendix, pp. 



83-117. 



1874. Memoir of Joseph Saxton. (Read Oct. 4.) Biographical Memoirs of Nat. 

 Acad. Sri. vol i. pp. 287-316. 



1874. Remarks on Recent Earthquakes in North Carolina. Smithsonian Report, 



1-7 1. pp. 259,260. 

 1-7."-. Remarks on the Light-House Service. Report of Light-House Board, l-7.">. 



pp. .".--. 

 1-7.'.. An account of investigations relative to Illuminating Materials. Report of 



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



l-7.">. Investigations relative to Sound. Report of Light-House Board, 1875. Appen 

 dix. pp. 104-126. 



1875. On the Organization of Local Scientific Societies. Smithsonian Report, 1875, 



pp. 217-219. 

 l-7ii. Article on "Fog," for Johnson's Universal Cyclopaedia. Edited by Dr. Bar- 

 nard. J. Univ. Cycl. vol. ii. pp. 1-7. 188. 



1876. Article on " Fog-Siguals " for Johnson's Universal Cyclopaedia. Edited by 



Dr. Barnard. ./. Voir. Cycl. vol. ii. pp. 188-190. 



1-76. Article on " Hygrometry " for Johnson's Universal Cyclopaedia. Edited by 

 Dr. Barnard. J. Univ. Cycl. vol. ii. pp. 1072-1074. 



1876. Letter to Rev. S. I',. Dod ; on researches made at Princeton. (Dated Dec. 4.) 



Princeton Memorial, May 19, 1878, 8vo. N. V. pp. 51-70. 



1877. Article mi "Lightning" for Johnson's Universal Cyclopaedia. Edited by Dr. 



Barnard. J. Vniv. Cycl.voi. iii. pp. 32-36. 



1877. Article on "Lightning-Rods" for Johnson's Universal Cyclopaedia. Edited by 



Dr. Barnard. ./. Univ. Cycl. vol. iii. pp. 36, 37. 

 1-77. Remarks on the Light-House Service. Report of Light-House Board, 1877, 



pp. 3-7. 

 1877. Report of Operations relative to Foo-SiL r nals. Report of Light-House Board. 



1877. Appendix, pp. 61-72. 

 1877. Address before the Philosophical Society of Washington. Bulletin Phil. Soc. 



Washington, vol. ii, pp. 162-174. 



