APPENDIX. Ivii 



106. Porphyry, vein No. 2, figure 147, in slenite, Cohasset. 



V'lOT. Greenstone in sienite. Railroad cut, Needham. 



108. Greenstone from gneiss, Phillipston. , 



V109. Greenstone chiefly feldspar, Phillipston. 



110. Greenstone, (boulder,) Groton. 



111. Epidote and greenstone, Beverly. 

 ■v/112. Chloritic greenstone. Railroad, Natick. 



"^IIS. Greenstone, vein No. 3, figure 147, containing an unknown bronze- 

 colored mineral, Cohasset. 



vT.14. Rock from a vein in conglomerate, Mr. Dudley's farm, Roxbury. 



VIW. Compact trap, Dudley's farm, Dedham. 



IIG. Quartz and brown rock, Dudley's farm, Dedham. 



\117. Greenstone, weathered, Pelham. 



v^ll8. Slaty greenstone, Fitzwilliam, New Hampshire. 



\/119. Vesicular trap, reddish, Sunderland. 



120. Vesicular trap, black, Mount Mettawampe. 



V 121. Vesicular trap, cavities cylindrical. Mount Mettawampe. 



>/122. Vesicular trap with zeolite, Deerfield. 



>yi23. Porphyritic greenstone, Nantasket Beach. 



V 124. Porphyritic trap, Beverly shore. 



\£l2o. Porphyritic trap, Saugus. 



>^126. Porphyritic trap, dyke, Beverly bridge, Salem. 



vl27. Porphyritic greenstone, (boulder,) West Bridgewater. 



"V 128. Porphyritic greenstone, Plymouth. 



129. Porphyritic greenstone, (boulder,) Pembroke. 



V 130. Porphyritic greenstone, Manomet Hill, Plymouth. 



131. Porphyritic greenstone, vein in sienite, (No. 1, figure 147,) Cohasset. 



^ 132. Porphyritic greenstone, vein in sienite, (No. 1, figure 147,) Cohasset. 



V133. Trap veins in sienite, Holliston. 



134. Zeolite in trap, (boulder,) Newbury. 



^35. Amygdaloidal trap, Mount Holyoke. 



^136. Quartz in trap, Mount Holyoke. 



>/l37. Galena and copper pyrites from chloritic trap, Canton. 



■^^138. Greenstone column. Mount Tom. 



139. Vegetable remains in trap, (boulder,) figure 96, Amherst. 



140. Greenstone, Railroad, West Spi-ingfield, west pairt. 



141. Porphyritic greenstone, West Springfield. 



142. Amygdaloidal greenstone, West Springfield. 



143. Amygdaloidal greenstone, West Springfield. 



144. Trap tufa, West Springfield. 



145. Trap tufa, West Springfield. 



146. Prehnite on greenstone. West Springfield. 



147. Prehnite on greenstone. West Springfield. 



148. Calcite on greenstone. West Springfield. 



149. Calcite on greenstone, West Springfield. 



150. Calcite on greenstone, West Springfield. 



8 



