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NEW YORK STATE MUSEUM 



Glyptaspis {continued) 



verrucosa, 19, 147, 148. 

 Glyptolaemus, 167. 

 Glyptolepis quebecensis, 166. 

 Glyptopomus sayrei, 22. 

 Goniatite limestone, 17, 72, 129. 

 Grabau, cited, 72. 

 Gyracanthides, 179. 

 Gyracanthus, 64, 86-87. 



murrayi, 87. 



sherwoodi, 21, 22, 87-88, 201. 



Haeckel, cited, 88. 



Hall, James, cited, 166, 167 ; mentioned, 62. 



Hamilton limestone, 14, 15, 16, 61, 62, 68, 



69, 73, 76, 80, 83, 85, 86, 132, 139, 140, 



157, 169, 187, 188. 

 Harpacanthus, 66. 

 Hay, O. P., cited, 30, 59, 64, 91. 

 Heliodus lesleyi, 21. 

 Helodus gibberulus, 20. 

 Heteracantbus, 73, 82. 



politus, 15, 16, 17, 82-83. 



uddeni, 15, 16, 83. 

 Heterodontus, 65. 

 Heterostraci, 23, 25, 27, 28-30. 

 High Point, 58, 63. 



High Point sandstone, 20, 21, 58, 63, 70. 

 Holauchenia, 91. 

 Holocephali, 23, 65-88. 

 Holonema, 156, 157. 



horridum, 21, 156. 



rugosa, 50. 



rugosum, 21, 22, 156. 

 Holopetalichthys novaki, 102. 

 Holoptychiidae, 23, 165-68. 

 Holoptychjus, 164, 166, 167. 



americanus, 21, 22, 50, 167, 168, 209. 



filosus, 21, 168. 



flabellatus, 168. 



giganteus, 20, 21, 22, 167. 



granulatus, 21, 168. 



Ploloptychius {continued) 



halli, 22, 168. 



latus, 168. 



pustulosus, 22, 168. 



quebecensis, 17. 



radiatus, 22. 



serrulatus, 168. 



tuberculatus, 20, 22, 168. 

 Homacanthus, 74. 



acinaciformis, 21, 75, 197. 



gracilis, 13. 

 Homosteidae, 23. 



Homosteus, 95, 99, 100, 106, 107, no. 

 Hoplonchus .parvulus, 18, 75. 

 Hudson Bay Middle Devonic fauna, 191. 

 Hunsriick slate, 26. 

 Huron shale, 18, 19. 



Hussakof, L., cited, 92, 99, 123, 139, 185. 

 Huxley, T. H., cited, 164. 

 Hydraulic limestone, 133. 



Ichthyotomi, 23, 58-63. 

 Ichthyodorulites, 65, 73-88. 

 Iowa City, 71. 

 Ischua, 88. 

 Isospondyli, 183. 

 Ithaca, 18, yj. 



Jaekel, Otto, cited, 31, 33, 38, 69, 90, 91, 



99, 100, 102, 114, 115, 121, 174, 193. 

 James Bay, Canada, 14. 

 Johnson county, la., 20, 72, 73, 164. 

 Jordan, cited, 92-93, 178. 



Kayser, E., cited, 100, 102. 

 Kelly's island. Lake Erie, 85. 

 Kemna, cited, 174. 

 Kings county. New Brunswick, 12. 

 Koenen, A. von, cited, 102. 



Labyrinthodonts, 181, 182. 

 Lacertilians, 122. 



