86 



NEW YORK STATE MUSEUM 



Genesee Valley Bluestone Co., 61. 

 Geneseo, rock exposures at, 49, 50, 



51. 

 Genundewa limestone, 48, 49, 50- 



51. 



Gephyroceras genundewa, 51. 

 Gibson's glen, rock exposures at, 



59, 60. 

 Gibsonville, rock exposures at, 55, 



56, 57- 

 Gilbert gulf, 81. 

 Glacial waters and canyon cutting, 



75-8o. 

 Gorham, rock exposures at, 50. 

 Grabau, cited, 73. 

 Greigsville, rock exposures near, 



51. 



Grimes sandstone, 48, 57-58. 

 Griswold, rock exposures at, 51. 

 Groveland station, rock exposures 

 near, 55, 56, 58, 59. 



Haggardorn, Charles, cited, 74. 

 Hall, James, cited, 44, 46, 48, 49, 



50, 63-64, 65, 67. 

 Hall, Lake, 78, 81. 

 Hatch flags and shale, 48, 56-57. 

 High Banks, rock exposures at, 54, 



56. 

 High Banks canyon, 83. 

 High Point sandstone, 62, 63. 

 Hogsback, 53, 55, 56. 

 Honeoyea desmata, 61. 



erinacea, 60. 



major, 54, 61. 



styliophila, 51. 

 Horsford, Eben N., cited, 45. 

 Hunt, rock exposures near, 65. 

 Hyolithus neapolis, 66. 



Irondequoit valley, 72. 

 Iroquois, Lake, 81. 

 Ithaca beds, 57. 



Lake planes, deformation, 83-84. 

 Lamont, rock exposures near, 67. 

 I.eptostrophia, 60. 

 Letchworth, William Pryor, 44. 



Letchworth Park, 44. 



Lignites, 61. 



Lingula ligea, 52, 54, 56, 66. 



cf. melie, 68. 



spatulata, 50, 52. 

 Liorhynchus multicosta, 68. 



quadricostatus, 50. 

 Little Beards creek, 49. 

 Livingston county, 51. 

 Long Beards Riffs sandstone, 65, 



67. 

 Lower black band, 53. 

 Lower Fucoidal group, 46. 

 Lower Portage fall, 60. 

 Loxonema multipiicatum, 60. 

 Lunulicardium (Pinnopsis) acuti- 

 rostrum, 54. 



bickense, 60. 



(Pinnopsis) ornatum, 54. 



(Pinnopsis) wiscoyense, 66. 

 Luther, D.D., cited, 45, 50, 52, 64, 



65. 



Manticoceras intumescens zone, 51. 



oxy, 60, 62, 66. 



pattersoni, 54, 57, 60. 

 var. styliophilum, 51. 



rhynchostoma, 60, 62, 66. 

 Marsh, O. C, mentioned, 45. 

 Melocrinus clarkei, 51, 54. 

 Middlesex shale, 48, 52-53. 

 Mill's Mills, rock exposures at, 

 Moscow, rock exposures at, 49, 50, 



5i, 52. 

 Moscow shales, 68. 

 Mount Morris, rock exposures at, 



48, 49, 50, 53, 56, 57- 

 Mount Morris canyon, 83. 

 Mount Morris-Geneseo lake, 78, 81. 

 Murder creek, 51. 



Naples, rock exposures at, 55, 57, 



58. 

 Naples fauna, 51, 57. 

 Naples valley, 57. 

 North Evans, rock exposures at, 



53- 



