Index 9 



Page 



Salt in Ohio 148 



Salt, origin of 152 



Sandusky river 395 



Schizocrania filosa, Hall 40 



Schizocrania rudis, Hall 40 



Scioto river 397 



Sefton, Lily Bell, Standardization of well-water in the vicinity of Gran- 

 ville, Ohio 119 



Shoreline features in vicinity of North Amherst 107 



Shore lines, geographic influences of 229,243 



Shore lines, post-glacial tilting of 230 



Silurian in Ohio 377 



St. Lawrence route to Ohio 404 



Standardization of well-water in the vicinity of Granville, Ohio 119 



Study of the supposed hybrid of the black and shingle oaks 315 



Suecoceras inaequabile. Miller 73 



Swazey observatory 347 



Thermo-currents, cause of 249 



Thermo-electric couples 246 



Transportation in Ohio 125 



Trematis fragilis, Ulrich 38 



Trematis punctostriata. Hall 37 



Upper Maumee stage of Maumee shoreline 102 



Vermilion river 395 



Virginia, claim to Ohio area 416 



Virginian expedition to Ohio 407 



Warren shoreline Ill 



Western route to Ohio 403 



Whittlesey shoreline 106 



Wilson, Herbert C, The Swazey Observatory, Denison University 347 



Zygospira cincinnatiensis. Meek 30 



Zygospira modesta, Hall 29 



