146 



BULLETIN OF THE 



Age of the Lake Superior Sandstone. Proc. Eost. Soc. Nat. Hist., 184:3, iii. 



70, 11', 1850, p. 228; 18G0, vii. 30G-398. 

 On Jacksonite. Proc. Bost. Soc. Kat. Hist., 1850, iii. 21-7, 248. 

 Tormer Level of Lake Superior. Proc. Bost. Soc. Nat. Hist., 1850, iii. 292. 

 On the Age of the Sandstones of the United States. Proc. Bost. Soc. Nat. 



Hist., 1850, iii. 385-339. 

 Analyses of Pitehstone Porphyry from Isle lloyalc, etc. Am. Joiir. Sci., 



1851, (2,) xi. 401, 402 ; Proc. Bost. Soe. Nat. Hist., 1851, iv. 39, 40. 

 Rain-Drop and Air-Bubble Impressions. Proc. Bost. Soc. Nat. Hist., 1851, 



iv. 131, 132. 

 Geology, Mineralogy, and Topography of the Lands around Lake Superior. 



Senate Docs., 18*^51-52, 1st Sess. 32d Cong., xi. 232-244. In Andrews's 



Kcport. 

 Igneous Origin of Calcite Ycins. Proc. Bost. Soc. Nat. Hist., 1853, Pcb. 17^ 



iv. 308, 309. 

 Ueber den Metallfiihrendcn Distrikt am Obern See im Staatc Michigan. 



Karsten's Archiv., 1853, xxv. G56-6G7. 

 Catalogue of lloeks. Minerals, and Ores collected during the years 1847 and 

 1848, on the Geological Survey of the United States Mineral Lands in 

 Michigan. Collected by Charles T. Jackson. Smithsonian Report, 1854, 



pp. 338-3C7. 

 Observations sur quelqucs Mines des l^tats-Unis et sur le Ores llougc du 



Lac Supericur. Comptcs Kendus, 1854, xxxix. 803-807. 

 Trap Dikes. Proc. Bost. Soc. Nat. Hist., 185G, vi. 23, 24. 

 On the Ash-bed and the Origin of the Copper. Proc. Bost. Soc. Nat. Hist., 



1855, V. 280, 281; 1859, vii. 31. 

 Thermal Waters. Proe. Bost. Soe. Nat. Hist., 1859, vii. 45-47. 

 Domcjkite from Lake Superior. Proc. Bost. Soc. Nat. Hist., 1801, viii. 258. 

 Sur les Mines de Cuivrc du Lac Supercur ct sur un Nouvcau Gisement 



d'Ltain dans I'Etat du Maine. Compos llendus, 1809, Ixix. 1082, 1083. 

 Bee James H. Kelfe. 



Bost. Soc. Nat. Hist., 1870, xiv. 



Jackson, Charles T., and J. B. Perry. 



Glacial Origin of Lake Superior. Proc. 



73-75. 



Jenney, F. B. 



iiee T. B. Brooks. 



Julien, Alexis A. 



See T. B. Brooks and T. C. Chamberlain. 



Keating, William H. 



Narrative of an Expedition to the Source of St. Peter's River, etc., performed 

 in the Year 1823. 2 vols. i. 458 ; ii. 248, and app. 150. liondon, 1825. 



Kimball, J. P. 



On the Iron Ores of Marquette, Mieh. Am. Jour. Sci., 18G5, (2,) xxix. 



290-303. 

 ^^^ J. W. Poster. 



