256 



CATALOGUE AND INDEX OF 



[BUI(t. 127. 



Connecticut^'Coutinued. 



1821. Notice of geological essays Ly 



H, H. Hayden, Silliman, 



Eed sandstone formation of Con- 

 necticut, Silliman. 



Garnet rook in Eeadiug, Seeley. 



Chalybeate spring at Litchfield, 

 Pierce. 



Miscellaneous observations, 

 Brongniart. 



1822. Locality of sulphate of baryta, 



Percival. 

 Floetz trap. Porter, T. D. 

 Volcanoes aud volcanic s u b - 



stances, Cooper, T. 

 Rocks supposed to move without 



apparent cause, Petros. 



1823. Eegions contiguous to Eiver Con- 



necticut, Hitchcock, E. 

 Curious waterfall and excava- 

 tions in the rocks. Hall, F. 



1824. Eeview of Connybeare and 



Phelps's geology of England 

 aud Wales, Am. Jour. Sci. 



Geology of Salisbury, Lea, C. A. 



Western Massachusetts region, 

 Dewey. 



1825. Moving rocks of Salisbury, Lea, 



C.A. 



1826. Eemarks on bowlders, Dobson. 

 1828. Water cement of Southington, 



Lowrey. 

 Notices of minerals and geology, 

 Hitchcock, E. 



1830. Igneous origin of some trap rocks, 



Silliman. 

 Geological text-book, Eaton. 



1831. Mines of New Milford and Salis- 



bury, Shepard. 



1832. Geological survey of Massachu- 



setts economics, Hitchcock, E. 

 Watercourses, alluvial and other 

 rocks of Connecticut Valley, 

 Smith, A. 



1833. Section from Killingly to Had- 



dam, Mather. 



Crystallines of Connecticut, 

 Mather. 



New London and Windham coun- 

 ties, Mather. 



Fossil fishes in Connecticut sand- 

 stone, Mather. 



1835. Junction of trap at Walliugford, 



Chapiu, A. B. 



1836. Footmarks of birds on red sand- 



stones, Hitchcock, E. 



Connecticut -^Continued. 



1837. Geologicalsurvey of Conneoticut, 

 Shepard, 



1839. Analysis of marl from Farming- 

 ton, Silliman. 



1841. On joints in rocks, Hitchcock, E. ; 



Silliman. 



1842. Geology of Connecticut, Per- 



cival. 

 Nature of dip of Trias of eastern 

 United States, Eogers, H. D. 



1843. Fossil footprints and rain impres- 



sions, Lyell. 



Glacio-aqueons action, Hitch- 

 cock, E. 



Drift of Connecticut Valley, Silli- 

 man. 



Causes of crescentic dikes of trap, 

 Eogers, H. D. 



Geology of New York, first dis- 

 trict, Mather. 



1844. Trap tufa of Connecticut Valley, 



Hitchcock, E. 



Percival on crescentic dikes, Silli- 

 man. 



Traps of sandstones of Connecti- 

 cut, Silliman. 



1845. Eolations of trap and sandstones, 



Whelpley. 



1846. Agriculture of New York, Em- 



mons, E. 



1847. Origin of grand outlines of the 



earth, Dana, J. D. 



Fossil tree at Bristol, Silliman. 

 Id51. Age of red sandstones, Jackson, 

 C.T. 



Geological positions of the masto- 

 don, Warren, J. C. 



Age of Connecticut Valley sand- 

 stone, Wells, Agassiz, L. 



1853. Geologic map of United States, 



etc., Marcou, J. 



1854. Origin of stratification, Wells, 



D.A. 

 Some crystalline limestones of 

 North America, Hunt, T. S. 



1855. Movements in quarries at Port- 



land, Johnson, J. 

 Copper mine at Bristol, Silliman 



and Whitney. 

 Ueber die Geologie von Nord- 



Amerika, Marcou, J. 



1856. American geologic history, Dana, 



J.D. 

 Illustrations of surface geology, 

 Hitchcock, E. 



