i68 



New York State Museum 



Bncania sp.^ 69. 



bidorsata, 70. 



sulcatina, 70. 

 Bulwagga bay, 67, 71, 73. 

 Bulwagga mountain, 15, 26, 85, 92. 

 Burt lot, 106, 120. 

 Bytownite, 29, 34. 



Calcite, 37, 40, 50, 56, 140, 143, 145, 

 149; occurrence, 155. 



Calymmene senaria, 74. 



Camarella longirostris, 69, 70. 

 varians, 69, 70, 71. 



Camarotoechia, 71. 



Cascade, altitude, 12. 



Cassin formation, 68. 



Castaline, 135. 



Cedar point furnace, 150. 



Champlain, Lake, see Lake Cham- 

 plain. 



Chazy, 75. 



Chazy formation, 6S-72, 91; for 

 building and ornament, 151. 



Cheever mine, 82, 83, 97, 98, 103-5, 

 152. 



Chimney Point, 7, 91. 



Chlorine, 146. 



Chlorite, 47, 62. ■ 



Chromite, 143, 144. 



Clarke, J. M., cited, 163. 



Clays, 93, 95, 152. 



Clionychia montrealensis, 70, 



Cobble hill, 87. 



Cold Spring bay, 65, 68. 



Cole bay, 65, 68, 69, 74. 



Cole island, 65, 66. 



Columnaria alveolata, 73. 

 halli, 73. 



Cook shaft, 120, 126, 146. 



Cornus ammonis, 8. 



Corundum, 140. 



Coughlin brook, 34, 86. 



Crag Harbor ore body, ioo^3- 



Craig Harbor, 67, 75, 82, 83, 89, 

 146. 



Cross, Whitman, cited, 32. 



Crowfoot pond, 18, 27, 85, 86. 



Crown Point, 14, 72, 91, 95, 151; 

 scene of critical events in colo- 

 nial history, 7; first use of name, 



7; taken by French, 7; captured 

 by British, 8; fortification erect- 

 ed, 8; plan of fortification, 8, 9. 



Crown Point peninsula, 68, 69, 72, 

 73. S8. 



Ctenodonta dubiaformis, 70. 

 peracuta, 70. 



Cummings, W. L., cited, 128, 163. 



Cushing, H. P., cited, 25, 27, 28, 

 31, 35, 44, 64, 65, 68, 75, 81, 88, 

 89, 124, 129, 163. 



Dana, E. S., cited, 125, 153, 163. 



Deltas, 19-20. 



Derby, O. A., cited, 142. 



Dial, altitude, 12. 



Dikes, 14, 124, 125, 126; analyses, 



60-61; basaltic unmetamor- 



phosed, 57-62, 88; figures, 58-59; 



trachyte, 74. 

 Diopside, 29, 30, 33, 34, 35, I55; 



occurrence, 159; analysis, 160. 

 Diplograptus, 74. 

 Dix, altitude, 12. 

 Drainage, 16-19. 

 Durham, E. B., mentioned, 157. 



Eakle, A. S., analyses by, 60. 

 Eccyliopterus fredericus, 70. 



proclivis, 70. 

 Economic geology, 96^7. 

 Egleston, T., cited, 99. 

 Elizabethtown, 11, 84, 141. 

 Elizabethtown quadrangle, area, 10. 

 Elm brook farm, 89. 

 Emmons, Ebenezer, cited, 22, 28, 



75, 78, 83, 98, 100, 106, 163. 

 Enstatite, 143. 

 Eozoon canadense, 23. 

 Eruptives, metamorphosed, 25-26. 

 Escarpments, 14-15. 

 Essex mining company, 98, 99. 

 Eurychilina latimarginata, 69, 70. 



Faults, 75-79- 



Feeder pond, 146. 



Feldspar, 22, 27, 28, 30, 31, 34, 35. 

 37, 38, 41, 43, 44, 45, 46, 48, 54, 

 60, 63, 124, 126, 127, 139; occur- 

 rence, 155. 



