SKETCH OF DR. CHARLES T. JACKSON. 407 



of Maine"; " Bituminization of Peat, and its Conversion into Coal"; 

 "An Account of the Catlinite or Indian Pipe Quarry "; "The Lava of 

 the Volcano of Kilauea in Hawaii, and its Chemical Composition"; 

 "Remarks upon Drift and upon the Organic Matters of Soils"; "The 

 Lake Superior Copper Region"; "The Asphaltic Coal of New Bruns- 

 w^ick"; " The Discovery of Fossil Fish in the Coal Formation of New 

 Brunswick"; and a few papers of more limited interest. 



To the " Proceedings " of the Association of American Geologists 

 he has furnished descriptions of the veins of tin-ore in Jackson, New 

 Jersey, and " Remarks upon the Zinc, Copper, and Lead Ores of New 

 Hampshire." To the "Proceedings " of the American Association for 

 the Advancement of Science, " Observations of a Mii'age seen at Lake 

 Superior " ; " Remarks on the Geology, Mineralogy, and Mines of 

 Keneewaw Point " ; " On Ancient Pot-holes in Rocks " ; " Description 

 and Analysis of AUanite from Franklin, New Jersey" ; "Description 

 of Bismuthic Tellurium from Virginia " ; " On the Artificial Minerals 

 from an Iron-Furnace in Pennsylvania" ; and other papers. To the 

 " Proceedings " of the American Academy of Arts and Sciences, " Re- 

 marks upon a Large Vein of Phosphate of Lime found in New Jer- 

 sey " ; " Analysis of Water " ; " Analysis of Bornite from Georgia " ; 

 "Results of an Examination of the Frozen Well of Brandon, Ver- 

 mont " ; and " An Analysis of Meteoric Stone found in Dakota." 

 To the Memoirs of the Academy he contributed, jointly with Mr. 

 Francis Algei*, a valuable paper on the " Mineralogy and Geology of 

 Nova Scotia." Reports of analyses of soils made by him were pub- 

 lished in the " American Quarterly Journal of Agricultui*e " ; and he 

 published in the " Boston Medical and Surgical Journal " an article 

 on the existence of nitrogen in j)lants and its origin in animals. He 

 also contributed to journals in Edinburgh ; and to the " Comptes 

 Rendus," of the French Academy, " Observations sur quelques mines 

 des Etats-Unis et sur le gres rouge de Lac Superieur " ; " Courans 

 Marines " ; " Nouveau gisement de Trilobites " ; " Sur les gisements 

 d'or dans le Georgie " ; " Sur le Bornite de Dahlonega et sur les dia- 

 mants de I'Etat de Georgie " ; and other papers. His more elaborate 

 works are the three reports on the " Geology of Maine," published in 

 1837, 1838, and 1839; reports on the "Public Lands of Maine and 

 Massachusetts " (1837 and 1838) ; the " Report on the Geology of 

 Rhode Island" (1840) ; " Reports of the Geology of New Hampshire " 

 (1841, 1842, 1844) ; " Report on the Mineral Lands of the United 

 States in Michigan " (1849, with maps). He also published the results 

 of chemical researches on the cotton-plant, the tobacco-plant, on In- 

 dian-corn, and on thirty-eight varieties of American grapes, which 

 v/ere embodied in the Patent-Office reports, and a " Manual of Etheri- 

 zation, with a History of its Discovery " (1863). 



Dr. Jackson died on the 29th of August, 1880, after having suUered 

 for many y^ears from an affection of the mind. 



