DABTON.] 



NORTH AMERICAN GEOLOGY. 



619 



Massachusetts — Continued. 



1870. Geology of eastern New England, 



Hunt, T. S. 

 Labradorite rocks at Marblehead, 



Hunt, T. S. 

 Report on Hoosac Tunnel, Hunt, 



T.S. 

 New England granite formation, 



Hunt, T. S. 

 Raised beach at Marbleiiead, 



Hyatt. 

 Ridges of drift in eastern Massa- 

 chusetts, Shaler. 

 Disintegrated rocks at Salem, 



Hyatt. 

 Erratic at Lynn, Tracy. 



1871. Eozoon limestone of Massachu- 



setts, Perry, Burbank. 

 Position and height of plateau in 



which New England glaciers 



originated, Dana, J. D. 

 Changes of level of coast of 



Maine, Shaler. 

 Connecticut glacier, Dana, J. D. 

 Transportation of bowlders in 



New England, Jackson, C. T. 

 ■ Geology of vicinity of Boston, 



Hunt, T. S. 

 Conglomerate pebbles at Mon- 

 tague, Niles. 

 Glacial scratches in Berkshire 



and Wachusett ranges, Agas- 



siz, L. 

 A set of bowlders in Berkshire, 



Agassiz, L. 

 On true Taconic, Dana, J. D. 

 Elevation and change of Atlantic 



coal levels, Hyatt. 

 Address of Hunt to American As- 

 sociation, Dana, J. D. 

 Geological map, Hitchcock, C. H. 

 Bowlder trains in Berkshire, 



Perry. 

 Coal of Mansfield, .Jackson, C. T. 

 Physical features, Niles. 

 Moraines near Waterto wn, Shaler, 



Niles. 

 Origin of granite and syenite, 



Jackson, C.T. 

 Relations in vicinity of Boston, 



Shaler. 



1872. Survey of Essex County, Hyatt. 

 Green Mountain geology ; on the 



quartzite, Dana, J. D. 



Massachusetts — Continued. 



1872. What is true Taconic, Dana, 



J.D. 



Origin of eozoiinal limestone at 

 Chelmsford, Burbank, Perry. 



Drift in vicinity of Salem, Pick- 

 ering. 



Island of Aquidneck and parts of 

 Narragansett Bay, Shaler. 



Porphyries of eastern coast. Hunt, 

 T.S. 



Features in the vicinity of Salem, 

 Hyatt. 



Phenomena observed in quarry- 

 ing, Niles. 



Notes on granitic rocks. Hunt, 

 T.S. 



Rocks of Great Harrington, Dana, 

 J.D. 



1873. Concentric lamination in rocks, 



Hunt, T.S. 

 On staurolite and Silurian age of 



Green Mountain gneisses, Dana, 



J.D. 

 River and lake terraces, Youmans. 

 Helderberg rocks of Connecticut 



Valley, Dana, J. D. 

 Record of Science for 1872, by 



Baird, Dana, J. D. 

 Taconic slates of Hudson age, 



Dana, J. D. 

 StriiB on Mount Monadnock, 



Wheelock. 

 Geologic map of United States, 



Hitchcock, Hitchcock, C. H., 



and Blake. 

 Trains of bowlders and transport 



of bowlders. Reed. 

 Post-Tertiary history of New 



England, Perry. 

 Glacial and Champlain eras in 



New England, Dana, J. D. 

 Metamorphism of pebbles at 



Chestnut Hill, Niles. 

 Marth as Vineyard and Nan tucket, 



Shaler. 



1874. Trap rocks of the Connecticut 



Valley, Dana, E. S. 

 Niagara and lower Helderberg 



in United States an# Canada, 



Hall, J. 

 Movements of rook at Monson, 



Niles. 

 Map of coal fields of the United 



States, Hitchcock, C. H. 



