84 Thirty-sixth Report ok the State Museum. 



29. * Remarks on the Geology of Mackinac, Drummond and St. 



Joseph's Islands and the Northern Shores of Lake Michigan. 

 Proc. Am. Assoc. Ad. Sci., 4th meeting (New Haven), 1850, 

 p. 354. Washington, 1851. 8vo. 



30. * Report on the Invertebrate Fossils exhibited to the Association. 



Proc. Am. Assoc. Ad. Sci., 5th meeting (Cincinnati), 1851, 

 p. 180. Washington, 1851. 8vo. 



31. * Parallelism of the Palaeozoic Rocks of New York, with those of 



the Western States, and of all those with the Palaeozoic Strata 

 of Europe. Ibid., p. 59. 



32. * On the Silurian Rocks of the Lake Superior Land District. Ibid., 



pp. 64-66. 



33. * Catalogue of specimens of the Rocks and Fossils in the Gray 



Sandstone, Medina Sandstone, Clinton Group, Niagara Group, 

 Onondaga Salt Group, and a part of the Waterlime Group. 4th 

 An. Rep. N. Y. St. Cab. Nat. Hist, pp. 119-146. Albany, 

 1851. 8vo. 



34. On Drummond's Island. Proc. Am. Acad. Arts and Sciences, vol. 



II, pp. 253, 254. Boston, 1852. 



35. * Comparison of the Geological Features of Tennessee with those 



of the State of New York. Proc. Am. Assoc. Ad. Sci., 6th 

 meeting (Albany), 1851, pp. 256-259. Washington, 1852. 



36. * Remarks upon the Fossil Corals of the Genus Favosites, and 



allied Fossil Genera Favistella, Astrocerium and others. Ibid., 

 p. 306. 



37. * On the Palaeozoic Genera Trematopora, Cellepora, etc. Ibid., p. 



306. 



38. * Tracks, Trails, etc., in the Shales and Sandstones of the Clinton 



Group from Green Bay, with remarks on the thinning out and 

 reappearing of this portion of the Clinton Group. Ibid., p. 306. 



39. * Remarks on the Trilobite of the Potsdam Sandstone, named by 



Dr. Owen, Dikellocephalus, and its Relations to Asaphus and 

 Ogygia. Ibid., p. 301. 



40. * Remarks upon the Fossils of the Potsdam Sandstone. Ibid., p. 



304. 



41. Notice of a Geological Map of the United States and the British 



Provinces of North America, with Explanatory Text, Geologi- 

 cal Sections and Plates of the Fossils which characterize the 

 formations, by J. Marcou. Am. Jour. Sci., 2d Ser., vol. 17, 

 pp. 199-206. New Haven, 1854. 8vo. 



42. Rapport sur la Partie Geologique de l'Exposition de New York. C. 



Lyell a*nd J. Hall. Traduit par M. A. Langel. Annales des 

 Mines, vol. VI, pp. 1-85. Paris, 1854. 8vo. 



43. Report on Coal Lands in Kentucky, for the Kentucky Mining and 



Manufacturing Company. B. Silliman and J. Hall, pp. 16. 

 New York, 1855. 8vo. 



44. * Observations upon the Geology of the Mauvaises Terres, Nebraska, 



with Notices of the Geographical and Geological Range of some 

 of the Fossils of that Region. Proc. Am. Ass. Ad. Sci., 8th 

 meeting, Washington, 1854, p. 290. Cambridge, 1855. 8vo. 



45. * Remarks upon a Collection of Cretaceous Fossils from Nebraska, 



and the Absence of Species known in the Southern Extension 

 of the Same Formation. Ibid., p. 290. 



