INDEX. 



ni 



Livingston county, geology of 235 



Drift deposits of 236 



" " Coal Measures of 238 



" " Chats worth, sections at.243, 244 



" " Pontiac coal shaft, sec. of. .240 



Loess 37. 66, 213 



Macon county, geology of 189 



Stratigraphical geology of 190 



Maracanthus :465 



' ' rectus 466 



Mesodmodus 290 



* ' exsculptus 291 



" explanatus 293 



' ' ornatus 294 



Mineral springs 80, 97 



Modiolopsis subnasuta 494 



Montgomery county, geology of. 149 



.' ' Geological formations of. . 150 



' ' Coal Measures of 151 



1 ' Economical geology of 153 



' ' Litchfield shaft, section of. 153 



' ' soil and agriculture of 155 



Moultrie county, geology of 185 



' ' Stratigraphical geology of 186 



' ' Coal Measures of 167 



Myalina Eeokuk 524 



Xautilus capax 532 



' ' Highlandensia 531 



Onychocrinus magnus 520 



Oracanthus consimilis 478 



" Gbliquu3 477 



Orodus Alleni 310 



" oarinatus 307 



" Daedaleus 301 



' ' decussatus 300 



' ' fastigiatus 306 



" major. 302 



* ' neglectua 308 



' ' parallclns 295 



1 ' parvulus 309 



' ' turgidus 310 



' ' variocostatus 304 



■ ' "Whitei • 297 



Orthoceras angulatum 504 



' * cribri striatum 503 



' ' Jolietensis 505 



' ' medullare 504 



' ' rectum 504 



TJnionensis 505 



• * "Winchelli 512 



Peltodus 409 



' * plicomphalus 411 



' ' quadratus 410 



' ' transversus 412 



Pentremites obliquatus 521 



Varsoaviensis 521 



Periplectrodue 324 



Periplectrodus compressus 326 



" expansus .- 327 



"Warreni 325 



Petalorbynchus distortus 406 



pseudosagittatus 405 



' ' spatulatus 408 



Petalodus hybridus 394 



1 ' proxinrus 395 



Phcebodus Sophiae 551 



Phragmoceras Byronensis 506 



Walshii 511 



Phy sonemus 448 



1 ' Altoneusis 454 



' ' carinatus 452 



' ' Chesterensis 455 



1 ' depressus 452 



' ' parvulus 453 



' ' proclivus 451 



Pinna subspatulata 524 



Piatt county, geology of 194 



" ' ' Stratigraphical geology of 195 



Pleurophorus angulatus -. 529 



Pnigeacanthus 480 



" deltoides 480 



Polyrhizodus amplus 387 



' ' carbonarius 389 



' ' nanus 336 



1 ' Piasaensis 386 



' ' Williamsi 384 



Poteriocrinus Coreyi 516 



' ' Hoveyi 516 



14 proboscidialis 513 



' ' Yan Hornei 517 



' ' LaSallensis 526 



Potters' clay 21,62,88,183,218,233 



Prairie scalds 184 



PristicladoduB 253 



' ' Springeri 255 



Pristodns ? acuminatus 40 ! 



Psephodus 417 



1 * % reticulatus 417 



Eeceptaculites formosus 500 



Eichland county, geology of 44 



" " Coal Measures in 45 



' ' Economical geology of 48 



" ' ' coal in 49 



Saline county, geology of 220 



" " Geological formations of .221 



' * " Coal Measures of 223 



" " minerals of 232 



Scaphiocrinus abnormis 519 



1 ' unicus 5 1 1 



Schneck, Dr. J., list of trees and shrubs u j 



Shawneetown section 198 



Shelby county. \ '-ology of 163 



' ' Geological formations of 165 



" Coal Measures of 166 



' ' Economical geology of 171 



Spharexochus Komingeri 510 



