INDEX TO CANANDAIGUA AND NAPLES QUADRANGLES 



75 



Spirifer disjunctus, 37, 39, G4. 



disparilis, 43. 



divaricatus, 43, 48, 50. 



duodenarius, 43. 



eatoni, 55. 



erieiisis, 11, 40. 



fimbriatus, 43, 46, 48, 49, 53. 

 milt, pygmaeus, 58. 

 mut. simplicissimus, 58. 



granulosus, 49, 53, 54. 

 mut. pluto, 58. 



gregarius, 43. 



macer, 43. 



macrothyris, 43. 



manni, 43. 



marcyi, 49, 51, 54. 

 mut. pygmaeus, 58. 



medialis mut. pygmaeus, 58. 



mesacostalis, 36, 64. 



mesastrialis, 65. 



mucronatus, 47, 48, 49, 51, 53, 64. 

 mut. hecate, 58. 

 var. posterus, 65. 



orestes, 64. 



raricosta, 43. 



sculptilis, 53. 



subattenuatus, 64. 



subumbona, 46. 



tullius, 55. 

 mut. belipihegor, 58. 



varicosus, 43. 

 Spiropliyton typus, 51. 

 Spirorbis, 45. 



augulatus, 47, 48, 51, 52, 54. 



spinuliferus, 52. 

 Stafford limestone. 6, 14. 15-16; 



thickness, 15; fossils, 45-46. 

 Standish flags and shales, 6, 20-30; 



thickness, 29; fossils, 60. 

 Stereolasnia rectum, 46. 

 Streblotrypa hamiltonensis, 53. 

 Strepula sigmoidalis, 52. 

 Stria topora limbata, 46, 48. 

 Stromatopora, 10. 

 Strophalosia truncata, 44, 46, 53. 



mut. pygmaea, 58. 

 Stroplieodonta ampla, 43. 



arcuata. 64. 



canace, 64. 



Stropheodonta cayuta, 63, 64, 65. 



concava, 43, 48, 49, 51, 53, 54. 



demissa, 43, 48, 53, 54. 



exilis, 64. 



hemisphaerica, 43. 



inequiradiata, 43. 



inequistriata, 43, 46, 48, 49, 51, 

 53, 54. 



junia, 49, 51, 53, 54. 



patersoni, 43. 



textilis, 43. 



variabilis, 64. 

 Strophonella reversa, 64. 

 Strophostylus varians, 43. 

 Styliola sp. und., 52. 



fissurella, see Styliolina fissurella. 

 Styliola limestone, 26, 27. 

 Styliolina, 62. 



fissurella, 27, 44, 45, 46, 47, 49, 54, 

 58, 59, 61. 

 Stylonurus ? wrightianus, 61. 

 Syringopora nobilis, 44. 



perelegans, 44. 



Taeniopora exigua, 53. 

 Tellinopsis subemarginata, 54, 55. 

 Tentaculites bellulus, 51, 52. 

 mut. stebos, 57. 

 gracilistriatus, 45, 59, 61. 



mut. asmodeus, 57. 

 scalariformis, 42. 

 tenuicinctus, 61. 

 Terebratula lens, 43. 



lincklaeni, 45, 49. 

 Thylacocrinus clarkei, 52. 

 Thysanopeltis, 56. 

 Tichenor limestone, 6, 20-21; thick- 

 ness, 20; fossils, 50-51, 55. 

 Tornoceras, 50. 

 discoideum, 46. 



uniangulare, 48, 51, 57, 61, 62. 

 mut. astarte, 57. 

 var. compressum, 59. 

 var. obesum, 61. 

 Trematospira gibbosa, 46, 51. 

 hirsuta, 48, 49, 55. 

 nobilis, 49. 50. 

 Trigeria lei)ida, 49, 50, 53. 

 mut. pygmaea, 58 



