34 



NEW YORK STATE MUSEUM 



Seneca limestone, 10 

 Shaffer creek, 16 

 Sheldon, 28 

 Sierks, 26 



Skaneateles lake, 15 

 Skaneateles shale, 6, 15-16; ex- 

 posures, 16 

 Smoke creek, 13 

 South Attica, 29 

 Spirifer acuminatus, 11 



consobrinus, 20 



divaricatus, 11 



eriensis, 9 



fimbriatus, 17 



mut. pygmaeus, 21 



granulosus, 17, 18 

 mut. pluto, 21 



mucronatus, 15, 17, 18 

 mut. hecate, 21 



subumbonatus, 13, 17 



tullius, 20 

 Spring Brook, 18, 19, 20, 21, 22, 24 

 Spring creek, 17 

 Stafford, 13, 14 



Stafford limestone, 6, 13-14; ex- 

 posures 13-14 

 Stony Brook, 29 

 Stony Brook ravine, 28 

 Streptelasma rectum, 17, 20 

 Strophalosia truncata, 12, 13, 15 

 Stropheodonta concava, 11 



demissa, 17 



inequistriata, 11 

 Styliola limestone, 22 

 Styliolina fissurella, 12, 14, 15, 17, 21, 



22, 23, 28 



Tannery brook, 24, 25, 26, 27 

 Tentaculites gracilistriatus, 15, 20 

 Tichenor limestone, 6, 16, 18-19; ex- 

 posures, 18-19 

 Tichenor point, 18 

 Tonawanda creek, 6, 7, 26, 28 

 Tornoceras uniangulare, 14, 21, 23, 25, 



27, 28 

 Trochoceras gebhardi, 9 

 Tropidoleptus carinatus, 15, 17, 18 

 Tully horizon, 20-21 



Union Springs, 9 



Vanuxem, Lardner, cited, 14, 15 

 Varysburg, 28, 29, 30 

 Vitulina pustulosa, 18 



Wales Center, 27 



Websters Corners, 19, 20 



Wende, 13 



West Alden, 19, 20 



West River shale, 6, 23-24; ex- 

 posures, 24 



Whitfieldella laevis, 8, 9 

 nucleolata, var., 9 

 sulcata, 9 



Williamsville, 8, 9, 12 



Wiscoy shale, 6, 29-30 ; exposures, 30 



Yates county, Middlesex black shale, 



'24 

 West River shale, 23 



Zaphrentis sp., 29 



