976 



CATALOGUE AND INDEX OF 



[BULL, 127. 



Vermont — C ontinued . 



1846. Notes on Vermont, Hitohcook, E. 



1847. Third report on geology of Ver- 



mont, Adams, C. B. 

 Beport on explorations. Hall, 



S.E. 

 Apparent driftfarrows dependent 



on structure, Adams, C. D. 

 Analyses for Vermont survey, 



Hunt, T. S. 



1848. Geography and geology of Ver- 



mont, Thompson, Z. 

 Fourth report on Vermont, 



Adams, C. B. 

 Polished rocks at Wiuooski, 



Adams, C. B. 

 On the Taconic rocks, Adams, 



C.B. 



1849. On the geology of Canada, Hunt, 



T. S, 



1850. Centers of dispersion of bowlders, 



Rogers, H. D. 



1851. Fractures of slate, Vermont and 



Lake Superior, Whitney. 



Parallelism of mountain chains 

 in America, Desor. 



Age of copper rocks of Lake 

 Superior and physical struc- 

 ture of Canada, Logan. 



Clay and sand deposits at high 

 levels in northern New Eng- 

 land, Rogers, H. D. 



On the Taoonio system. Hunt, 

 T. S. 



Changes of level daring drift 

 period, Adams, C. B. 



Age of clay slate of Connecticut 

 Valley, Hitchcock, E. 



1853. Brown coal of Brandon and age 



of hematite in United States, 

 Hitchcock. E. 



Appendix to history of Vermont, 

 Thompson, Z. 



Geologic map of the United 

 States, etc., Maroon, J, 



Report on certain points in geol- 

 ogy of Massachusetts, Hitch- 

 cock, E. 



1854. Lignite near Burlington, Thomp- 



son, Z. 



1855. So-called talcose slates of the 



Green Mountains, Hunt, T. S. 

 Ueber die Geologic von Nord- 



Amerika, Maroou, J. 

 American geology, Emmons, E. 



Vermont — Continued. 



1856. Serpentine marbles, Jackson, 



C.T. 

 Serpentine and verd antiques, 



Hayes, A. A. 

 Fossil fruits and age of Brandon 



lignite, Hitchcock, E. 

 On serpentine rock, Hayes, A. A. 



1857. Illustrations of surface geology, 



Hithcock, E. 



1858. Geology of North America, Mar- 



cou, J. 

 Sketch of geology of United 



States, Rogers, H. D. 

 Fractured ledges in Vermont, 



Hitchcock, C. H. 



1859. Paleontology of New York, vol. 3, 



Hall, J. 



Devonian and Taconic in south- 

 eastern Canada, Logan. 



Classification des chalnes de 

 montagnes, Marcou, J. 



Devonian granites aud Taconic 

 rocks, Hitchcock, E. 



1860. Condition of traps in New Hamp- 



shire a measure of erosion, 

 Hubbard, O. P. 



Der Primordial-Fauna in Nord- 

 Amerika, Barrande. 



Lake ramparts in Vermont, 

 Hitchcock, C. H. 



Ancient glaciation of Green 

 Mountains, Hitchcock, C. H. 



Fauna of Quebec group and Pri- 

 mordial of Canada, Logan. 



So-called talcose schist of Ver- 

 mont, Hitchcock, C. H. 



1861. Fossil fruits in lignites of Brauj 



don, Lesquereux. 



Contorted pebbles in conglomer- 

 ate, Hitchcock, E., jr. 



Report on northern Vermont, 

 Hall, S. R. 



Geological map, Hager. 



Remarks on Taconic system, Am. 

 Jour. Sci. 



Primordial of North America, 

 etc., Rogers, W. B. 



Economical geology of Vermont, 

 Hager. 



Dikes in Silurian of Shelburne, 

 Hitchcock, £. 



Physical geography and scenery 

 of Vermont, Hager. 



Fossils from Potsdam group, Bil- 

 lings. 



