INDEX TO CANANDAIGUA AND NAPLES QUADRANGLES 



75 



Spirifer disjunctus, 37, 39, 64. 

 disparilis, 43. 

 divaricatus, 43, 48, 50. 

 duodenarius, 43. 

 eatoni, 55. 

 eriensis, 11, 40. 

 fimbriates, 43, 46, 48, 49, 53. 



unit, pygmaeus, 58. 



mut. siinplicissimus, 58. 

 granulosus, 49, 53, 54. 



mut. pluto, 58. 

 gregarius, 43. 

 macer, 43. 

 macrothyris, 43. 

 inanni, 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. 



subunibona, 46. 



tullius, 55. 

 mut. belphegor, 58. 



varicosus, 43. 

 Spirophyton typus, 51. 

 Spirorbis, 45. 



angulatus, 47, 48, 51, 52, 54. 



spinuliferus, 52. 

 Stafford limestone. 6, 14, 15-16; 



thickness, 15; fossils, 45-46. 

 Standish flags and shales, 6, 29-30: 



thickness, 29; fossils, 60. 

 Stereolasma rectum, 46. 

 Streblotrypa hamiltonensis, 53. 

 Strepula sigmoidalis, 52. 

 Striatopora limbata, 46, 48. 

 Stromatopora, 10. 

 Strophalosia truncata, 44, 46, 53. 



mut. pygmaea, 58. 

 Stropheodonta ampla, 43. 



arcuata, 64. 



canace, 64. 



Stropheodonta cayuta, 63, 64, 05. 



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 lepida, 49, 50, 53. 

 mut. pygmaea, 58 



