1877.] 221 [Wadsworth. 



Vol. ii, p. 306. Geology of Marblehead. James H. Gregory. 



Vol. ii, p. 385. Geology of Middleton. B. F. Mudge. 



Vol. ii, p. 406. Geology of Groveland. " " " 



Vol. in, p. 15. Gravel Pits of Topsfield. Samuel Todd, 



Vol. in, p. 49. The Local Geology of Topsfield. S. S. Mackenzie. 



Vol. in, p. 85. Geology of Boxford. Sanborn Tenney. 



Vol. in, p. 89. Serpentine in Lynnfield. S. Barden. 



Vol. in, p. 96. Geology of the Coast Region. J. J. H. Gregory. 



Vol. in, p. 101. Geology of Lynn. " " " " 



Vol. in, p. 109. Geology of Middleton. " " " " 



Vol. in, pp. 205, 206. Geology and Mineralogy of Rockport. Barden, Alger, 



Gregory and others. 



Vol. in, p. 231. Lithology and Mineralogy of Rockport. S. Barden. 



Vol. in, p. 269. Geology of Powow Hill. J. J. H. Gregory. 



Vol. in, p. 280. Mineralogy of Salem Neck. H. Wheatland. 



Vol. iv, p. 48. Moraine in Beverly. G. W. Skinner. 



Vol. iv, p. 55. Ship Rock, etc. S. Barden. 



Vol. iv, p. 61. Devil's Den. S. Barden and H. C. Perkins. 



Vol. iv, p. 152. Mineral Point Mine, Georgetown. 



Vol. iv, p. 163. Sand in Newburyport. Henry C. Perkins. 



Communications to the Essex Institute. 



Vol. iv, p. 3. On the Sodalite at Salem. D. M. Balch. 



Vol. iv, p. 6. On Magnetite and an unknown Mineral at Nahant 



G. H. Emerson. 



Vol. v, p. 157. Geology of Andover. C. H. Hitchcock. 



Vol. vi, p. 43. Geology of Marblehead. J. J. H. Gregory. 



Vol. vi, p. 47. Copper Mines of Topsfield. 



Vol. vi, pp. 51, 52. Geology of Salem. A. Hyatt and S. Todd. 



Bulletin of the Essex Institute. 



Vol. I, p. 59. Notice of a singular Erratic in Lynn, known by the 



name of " Phaeton Rock." C. M. Tracy. 

 Vol. I, p. 106. Geological Description of New England Granite Form- 



ation. T. Sterry Hunt. 

 Eozoon Canadense. E. Bicknell. 

 Eozoon in Essex County. A. Hyatt. 

 Geology of Marblehead Neck. A. Hyatt. 

 On the Geological Survey of Essex Co. A. Hyatt. 

 Notes on the Geology of Eastern Mass. T. Sterry 



Hunt. 

 Phaeton Rock. F. W. Putnam. 

 Wigwam Rock. Jones Very. 

 Lead Mine at Rocky Hill, West Newbury. Alfred 



Osgood 

 Account of the Agassiz Bowlder. John Robinson. 



Vol. 



hi 



>. 144. 



Vol. 



", 



P- 



93. 



Vol. 



it, 



P- 



111. 



Vol. 



in, 



P- 



49. 



Vol. 



in. 



,p. 



53. 



Vol. 



in, 



.P. 



128, 



Vol. 



hi 



.P. 



129. 



Vol. 



vi. 



, p. 



142. 



Vol. 



vi, 



P- 



158. 



