BIBLIOGRAPHY OF E. W. HILGARD 55 



1861. OiiL- manure supplies ; cottonseed oil cake. Southern Rural Gentleman, 



October. 



1862. The manufacture of salt ; report to the Governor of Mississippi. June. 

 The salt question. Mississippian, September 8. 



1866. On the Quaternary formations of the State of Mississippi. American 



Journal of Science, May. 



Remarks on the new division of the Eocene, or Shell Bluff group, pro- 

 posed by Mr. Conrad. American Journal of Science, July. 



Rational agriculture. Southern Ruralist, May. 



Maintenance of fertility in our cotton fields. Clarion, September. 



Remarks on the drift of the Western and Southern States, and its rela- 

 tions to the glacier and iceberg theories. American Journal of Sci- 

 ence, November. 



1867. On the Tertiary formations of Mississippi and Alabama. American 



Journal of Science, January. 



1868. On the condition of our knowledge of the processes in luminous hydro- 



carbon flames. Proceedings of the American Association for the Ad- 

 vancement of Science, Chicago meeting ; American Journal of Science, 

 volume 47, number 140. 



1869. On the geology of lower Louisiana and the rock-salt deposit of Petite 



Anse Island. American Journal of Science, January. 



Outlines of a geological reconnaissance through a portion of Louisiana. 

 New Orleans Times. 



Geologisches der Sudweststaaten. Die Neue Welt, August 15. 



Petroleum and sulphur of Calcasieu, Louisiana. New Orleans Times, 

 September 12. 



Preliminary report to the New Orleans Academy of Sciences of a geo- 

 logical reconnaissance of Louisiana. De Pow's Review, September. 



Summary of results of a late geological reconnaissance of Louisiana. 

 American Journal of Science, November. 



1870. Report on the geological age of the Mississippi delta. Report of the 



United States Engineering Department, Washington. 

 Home-made and commercial manures. Holly Springs Reporter, March. 

 Compost versus commercial manures. Southland, February. 

 The value of cottonseed. Southland, September. 

 On the maintenance of fertility in soils. Rural Carolinian, November 



and December. 



1871. On the geology of the delta and the mud-lumps of the passes of the 



Mississippi. American Journal of Science, 3d series, volume I. 



On the geological history of the Gulf of Mexico. Proceedings of the 

 American Association for the Advancement of Science, Indianapolis 

 meeting ; American Journal of Science, December ; American Nat- 

 uralist, association number. 



Organization of the Department of Agriculture and the Mechanic Arts 

 in the University of Mississippi. Oxford, Mississippi, August. 



Memoir on the geology of Louisiana and the rock-salt deposit on Petite 

 Anse Island. With plates and diagrams. Smithsonian Contributions 

 to Knowledge, large quarto (number 248). 



