204 NATIONAL ACADEMY OF SCIENCES 



1902. On the Establishment of a National Forest Reserve in the South- 

 ern Appalachians (p. 323). 



3. Committees appointed at the request of the President of the 



United States. 



1870. On the Protection of Coal Mines from Explosion by Means of 



Electricity (p. 253). 

 1902. On Scientific Explorations in the Philippines (p. 325). 



4. Committees appointed at the request of the Treasury Depart- 



ment. 



1863. On the National Currency (Confidential). 

 1863. On Weights, Measures, and Coinage (p. 206). 



1863. On Saxton's Alcoholometer (p. 218). 



1864. On Materials for the Manufacture of Cent Coins (p. 227). 

 1866. On the Prevention of Counterfeiting (p. 331). 



1866. On Spirit Meters (p. 239). 



1866. On Proving and Gauging Distilled Spirits and Preventing 



Fraud (p. 239). 

 1866. On Metric Standards for the States (p. 211). 

 1870. On the Effect of Chemicals on Internal Revenue Stamps (p. 



254)- 

 1873. On an International Bureau of Weights and Measures (p. 212). 

 1875. On Water-proofing the Fractional Currency (p. 261 ). 



1875. On Means of Distinguishing Calf's Hair from Woolen Goods 



(Confidential). 



1876. On Artificial Coloring of Sugars to Simulate a Lower Grade 



According to the Standard on which Duties are Levied 

 (Confidential). 



1876. On the Use of Polarized Light to Determine the Values of 



Sugars (p. 264). 



1877. On Demerara Sugars (p. 264). 



1878. On Building Stone to be used for the Custom House at 



Chicago. (No report.) 

 1882. On the Separation of Methyl Alcohol, or Wood Spirits, from 



Ethyl Alcohol (p. 291). 

 1882. On Glucose (p. 293). 

 1882. On Triangulation Connecting the Atlantic and Pacific Coasts. 



(No report.) 



1884. On Philosophical and Scientific Apparatus (p. 302). 



1885. On the Tariff Classification of Wools (p. 306). 



