490 
Index 
lirockocystis huronensis, Billings 473 
Brockocystis tecumsethi, Billings 469 
Brockocystis tecumsethi Billings, diagram of 470 
Bliss, G. A. and F. B. Wiley. “Method of subdividing the interior of 
a simply closed rectifiable curve with an application to Cauchy’s 
theorem.”.. 375 
Byssonychia carinata, Goldfuss 320 
Byssonychia radiata, Hall 273 
Calymene conradi, Emmons 320 
Cambridge 181 
Canton 390 
Caritodens demissa, Conrad 269 
Carney, Frank 
“The climate of Ohio.” 191 
“Population centers and density of population in Ohio.” 175 
“Some pro-glacial lake shorelines of the Bellevue quadrangles, Ohio.”. . 231 
Carroll county, Ohio 390 
Castalia, Ohio, referred to 244-5-6 
Catazyga erratica. Hall 266 
Cathcart, Wallace H., referred to 204 
Cauchy theorem for an arbitrary curve 382, 389 
Cauchy theorem for a rectangle 380 
Cedar Point spit 239, 241 
Chillicothe, Ohio 181 
“Cincinnati, a geographic interpretation of.” By Edith iM. Southall 2 
Cincinnati’s advantages 12 
Early importance 177 
— ■ — Founding 4 
The first manufacturing town 180 
Industrial Growth from 1800 to 1850 7 
Industrial Growth since 1850 10 
Industrial purposes 180 
River improvement 14 
“Clarification methods, historical sketch of development of” 342 
Cledophorus planulatus, Conrad 302 
Cleveland, Ohio 182 
Clidophorus praevolutus, sp. nov 303 
Climatology, Ohio 197 
Early development in America 198 
Clitambonites multistriata, sp. nov 131 
Clyde, Ohio 246 
Colpomya faba-pusilla, var. nov 275 
Cornulites, sp 314 
Coshocton county, Ohio 390 
Cost, estimate of, for rectangular tanks 363 
Cost, estimate of, for circular tanks 364 
Cyrtodonta clochensis, sp. nov 297 
Cryptolithus tessellatus. Green 317 
