lo SKETCH OF PROF. JOHN LE CONTE. 



17. " Observations on the Freezing of Vegetables, and on the Causes which 

 enable some Plants to endure the Action of Extreme Cold "' (" American Journal 

 of Science," 1852; also "Proceedings of the American Association for the Ad- 

 vancement of Science," 1851). 



18. "On the Venomous Serpents of Georgia " ("Southern Medical and Sur- 

 gical Journal," 1853). 



19. '' On the Descent of Glaciers" (" American Journal of Science," 1855). 



20. "Review of Lieutenant M. F. Maury's Work on the 'Physical Geography 

 of the Sea ' " ("Southern Quarterly Review," 1856). 



21. " The Mechanical Agencies of Heat " (ibid., 1856). 



22. " Influence of the Study of the Physical Sciences on the Imaginative Fac- 

 ulties." An Inaugural Address, delivered December 1, 1857 (Columbia, S. C, 

 1858). 



23. " Preliminary Researches on the Alleged Influence of Solar Light on the 

 Process of Combustion " (" American Journal of Science," 1857; also, " Proceed- 

 ings of the American Association for the Advancement of Science," 1857; and 

 "Philosophical Magazine," 1858). 



24. " On the Influence of Musical Sounds on the Flame of a Jet of Coal-Gas " 

 (" American Journal of Science," 1858 ; " Philosophical Magazine," 1858). 



25. " On the Optical Phenomena presented by the Silver Spring in Marion 

 County, Florida (U. S.)," ("American Journal of Science," 1861; also, "Pro- 

 ceedings of the American Association for the Advancement of Science," 1860). 



26. " On the Adequacy of Laplace's Explanation to account for the Discrep- 

 ancy between the Computed and the Observed Velocity of Sound in Air and 

 Gases " (" Philosophical Magazine," 1864). 



27. " Limiting Velocity of Meteoric Stones reaching the Surface of the Earth " 

 ("Xature," 1871). 



28. "Vital Statistics: Illustrated by the Laws of Mortality from Cancer" 

 (" Western Lancet," 1872). 



29. " Heat generated by Meteoric Stones in traversing the Atmosphere " 

 (" Nature," 1872). 



30. "The Nebular Hypothesis " (" Popular Science Monthly," 1873). 



31. Articles on "Bonanza," " Comstock Lode," and "Death Valley," in 

 "Johnson's Cycloposdia," vol. iv, Appendix, 1876. 



32. " Mars and his Moons " (" Popular Science Monthly," 1879). 



33. "Origin and Distribution of Lakes; Meteorology of the Pacific Coast" 

 ("Mining and Scientific Press " and Supplement, 1880-'81). 



34. " Influence of Modern Methods of popularizing Science " (" Berkeleyan," 

 1882). 



35. " Sound-Shadows in Water " (" American Journal of Science," 1882 ; 

 also, " Philosophical Magazine," 1882), 



36. "Origin of Jointed Structures in Undisturbed Clay and Marl Deposits" 

 ("American Journal of Science," 1882). 



37. " Apparent Attractions and Repulsions of Small Floating Bodias " (" Amer- 

 ican Journal of Science," 1882 ; also. " Philosophical Magazine," 1882). 



38. "Amount of Carbon Dioxide in the Atmosphere" ("Philosophical Maga- 

 zine," 1882). 



39. " Physical Studies of Lake Tahoe " (" Overland Monthlv," three papers, 

 188.3-1884). 



40. " The Part played by Accident in Discoveries " ("Berkeleyan," 1884). 



41. "Horizontal Motions of Small Floating Bodies, in relation to the Validity 



