walcott] LITERATURE. 27 



Hough, Franklin B. Observations on the Geology of Lewis County. New York. 

 Am. Jour. Agri. and Sci., vol. 5, 1847, pp. 267-274, 314-327. 



Logan, W. E. Report on Sequence and Distribution of the Formations [on the Otta- 

 wa]. Geol. Surv. Canada, Rep. Progress for 1845-6. Montreal, 1847, pp. 

 40-75. 



Verneuil, Ed. de. Note sur le parallelisme des roches des d6p6ts pal6ozoiques de 

 l'Am'erique Septeutrionale aveo ceux de l'Europe, suivi d'uu tableau des 

 especes fossiles communes aux deux continents, avec Findication des Stages 

 ou elles se renc^ontrent, et termin6 par iin examen critique de chacune de ces 

 especes. Soc eol. France, Bull., 2 e se"r,, vol. 4, 1847, pp. 646-709. Trans- 

 lated with atiiiotations by Prof. James Hall, Am. Jour. Sci., 2d ser.,vol. 5, 

 1848, pp. 176-183, 359-370; vol. 7, 1849, pp. 45-51, 218-231. 



1848. 



Adams, C. B. On the Taconic Rocks. Am. Jour. Sci., 2d ser., vol. 5, 1848, pp. 

 108-110. 



Owen, D. D. (Letter ou Geology of Wisconsin Territory.) Soc. ge*ol. France. Bull. 

 2 e Her., vol. 5, 1848, pp. 294-296. 



Report of a Geological Reconnoissance of the Chippewa Land District of Wis- 

 consin ; and Incidentally of a Part of Iowa and of the Minnesota Territory. 

 Letter of the Secretary of the Treasury Communicating a Report of a Geo- 

 logical Reconnoissance of the Chippewa Land District of Wisconsin (etc), by 

 D. D. Owen, Thirtieth Congress, first session. Senate Ex. Doc. No. 57. 1848. 

 pp. 3-72, map, plates. 



1849. 



Burt, William M. Topography and Geology of the Survey, with reference to mines 

 and minerals, of a District of Township Lines South of Lake Superior in 1845. 

 Message President United States, Thirty-first Congress, first session, H. R. 

 Ex. Doc. No. 5, part 3, 1849, pp. 811-832. 



Foster, J. W. Notes on the Geology and Topography of Portions of the Country 

 Adjacent to Lakes Superior and Michigan, in the Chippewa Land District. 

 Message from President of United States to Congress, Thirty-first Congress, 

 first session, H. R. Ex. Doc. No. 5, part 3, 1849, pp. 773-785. 



Foster, J.. W., and J. D. Whitney. Synopsis of the Explorations of the Geological 

 Corps in the Lake Superior Land District in the Northern Peninsula of Michi- 

 gan. Message from the President of United States to Congress, Thirty- 

 first Congress, first session, H. R. Ex. Doc. No. 5, part 3, 1849, pp. 605-625, 

 3 maps. 



Gesner, Abraham. The Industrial Resources of Nova Scotia. Halifax, N. S., 1849, 

 pp. 341, and Appendix, p. 15. 



Hubbard, Bela. General Observations upon the Geology and Topography of the 

 District South of Lake Superior, Subdivided in 1845, under Houghton. Mes- 

 sage from President of United States, Thirty-first Congress, first session, H. 

 R. Ex. Doc. No. 5, part 3, 1849, pp, 833-842. 



Jackson, C. T. Message of President of United States to Congress. Thirty-first 

 Congress, first session, H. R. Ex. Doc. No. 5, part 3, 1849, pp. 371-502. 



Logan, W. E. Canadian Geological Survey, Report Progress for 1847-48, 1849. 



Roemer, Ferd. Texas. Mit besonderer Rii chsicht auf deutsche Auswanderung und 

 die physischen Verhaltnisse des Landes nach eigener Beobachtung geschil- 

 dert. Bonn, 1849, pp. 464, map. 



White, George. Statistics of the State of Georgia. Savannah, 1849, pp. 624 and 

 77, map. 



1850. 



Dawson, J. W. On the Metamorphic and Metalliferous Rocks of Eastern Nova Sco- 

 tia. Quart. Jour. Geol. Soc, London, vol. 6, 1850, pp. 347-364. 



Fitch, Asa, M. D. A Historical, Topographical, and Agricultural Survey of the 

 County of Washington. Trans. N. Y. State Agric. Soc. for 1S49, 1850, pp. 

 753-944. 



Foster, J. W., and J. D. Whitney. [Apercu de Y ensemble des terrains Siluriens 

 du lacSuperieur.] Soc. geol. France, Bull.,2 e ser., vol. 8, 1850, pp. 89-100. 



Report on the Geology and Topography of a Portion of the Lake Superior 



Land District in the State of Michigan. Part I. Washington. 1850. Strati- 

 fied and Sedimentary Rocks. Chapter 4, pp. 99-122. 



