OAIlTOS.] 



NORTH AMERICAN GEOLOGY. 



827 



Reyer, F. Zwei Profile durch die Sierra 

 Nevada. 



Neues Jahrbucli, 1886, Beil.-Band IV, Heft 

 2, pp. 291-326, map, 1886. 



Rhode 



1807. 



1818. 

 1824. 



1825. 

 1826. 

 1829. 

 1832. 

 1833. 

 1837. 



1838. 



1840. 

 1841. 



1842. 



1846, 

 1847, 

 1848, 



Island. 



Observations on geology of 

 United States and geologic 

 map, Maclure. 



Geology of the United States, 

 Maclure. 



Locality of amethyst, Adams, J. 



Fire stones and whetstones, Rob- 

 inson, S. 



Rocking stone in Warwick, Tay- 

 lor, S. 



Localities of minerals, Taylor, S. 



Roxbnry rocking stone. Porter, 

 Cambridge and Webb. 



Rock specimens from Rhode Is- 

 land, Robinson, S. 



A rocking stone, Mason, 0. 



Coal of Rhode Island, Silliman. 



Argillite with anthracite coal, 

 Eaton. 



Geological survey of Massachu- 

 setts, Economics, Hitchcock, E. 



Report on Massachusetts, Hitch- 

 cock, E. 



Certain causes of changes now in 

 operation in Massachusetts, 

 Hitchcock, E. 



Age of coal beds, Hitchcock, E. 



Report of coal company on a sur- 

 vey of the State, Bryant. 



Geological survey of Rhode Is- 

 land, Jackson, C. T. 



Glacial action in New England, 

 Jackson, C. T. 



Final report on Massachusetts, 

 Hitchcock, E. 



Report on Rhode Island by Jack- 

 son, Silliman. 



On joints in rocks, Mather, Jack- 

 son, 0. T. 



Glacial theory of America, Jack- 

 son, C. T. 



Geology of Connecticut, Percival. 



Bed of plumbago in schists near 

 Worcester, Mass., Lyell. 



Geology of New York, first dis- 

 trict, Mather. 



Agriculture of New York, Em. 

 mens, E. 



No coal in New York rocks, 

 Emmons, E. 



Statistics of coal, Taylor, R. C. 



Rhode Island — Continued. 

 1850. Terraces of Connecticut Valley, 

 Hitchcock, E. 

 Metamorphism in Rhode Island 



rocks, Jackson, C. T. 

 Mount Hope coal mines, Jackson, 

 C.T. 

 1853. Coal field of Bristol County and 

 of Rhode Island, Hitchcock, E. 

 Report on certain points in geol- 

 ogy of Massachusetts, Hitch- 

 cock, E. 

 Geologic map of United States, 

 etc., Marcou, J. 



1855. Ueber die Geologic von Nord- 



Amerika, Marcou, J. 



1856. American geologic history, Daua, 



J.D. 



1858. Sketch of geology of United 



States, Rogers, H. D. 

 Geology of North America, Mar- 

 cou, J. 



1859. Cement of sandstones and con- 



glomerates, Jackson, C. T. 



1860. Map of Rhode Island, Hitchcock, 



C.H. 



1861. Sur la faune primordiale en 



Amerique, Barrande. 



Fossiliferous pebbles in conglom- 

 erate near Fall River, Rogers, 

 W.B. 



Elongated pebbles, Rogers, W. B. 



Report on geology of Vermont, 

 Hitchcock, E., Hitchcock, E., 

 jr., Hager and Hitchcock, C. H. 



Conversion of certain conglom- 

 erates into schists and gneiss, 

 Hitchcock, E. 



Geology of Aquidneck, Hitch- 

 cook, C. H. 



Synchronism of coal of New Eng- 

 land, Hitchcock, C. H. 



1865. Metamorphic action in conglom- 



erate, Jackson, C. T. 



1866. Some features of glaciation, Jack- 



son, C. T. 

 Map of Canada and part of United 

 States, Logan and Hall. 



1867. Against plasticity of pebbles of 



Purgatory, Lyman. 



1870. Memorial on coal field. Ridge- 



way. 



1871. Geognosy of Appalachians, Hunt, 



T. S. 



1872. Notes on granitic rocks. Hunt, 



T. S. 



