4S4 PALEONTOLOGY OF ILLINOIS. 



Lambdodvs, St. J. and W., - - - - 2.80 



— costatus, St. J. and W., U. Burlington, - - - -80 



— calceolus, St. J. and W., U. Burlington, - - - 2SL 



— var. robuslus, Keokuk, 282 



— transversus, St. J. and W., St. Louis, - - - 282 



— hamulus, St. J. and W., Chester, - 2S3 



— reflcxus, St. J. and W., Chester, .... 284 

 Eybodadodus, St, J. and W., -----. - 284 



— plicatilus, St. J. and W., U. Burlington, - 286 



— tenuicostafus, St. J. and W., Keokuk, - - - 286 



— intermedins, St. J. and W., Keokuk, ... - 287 



— comjn'essns, (N. and W. sp.), TJ. Burlington, - - 287 



— nitidus, St. J. and W., Chester, - 288 

 Thrhiaeodus, St. J. and W., - - - . - - - 2S9 



— nanus, St, J. and W , Kinderhook, - 289 

 Mesodmodus, St. J. and W., ....--- 290 



— exsculptus, St. J. and W., Kinderhook, - - ■ 2li1 



— cxplanatus, St. J. and W., Kinderhook, - - 293 



— ornatus, St. J. and W., U. Burlington, - - - 294 

 Orodits, Agassiz, - - - - - . - - - 295 



— jmraUelns, St. J. and W., Kinderhook, - - 295 



— Whitei, St. J. and W., Kinderhook, - - 297 



— decussatus, St, J. and W., Kinderhook, - - - 300 



— Dwdaleus, St. J. and W., Kinderhook, - - - 301 

 major, St. J. and W., Lower Burlington, - - 302 



— variocostatus, St. J. and W., Upper Burlington, - 304 



— fastigiatus, St. J. and W., U. Burlington, - - - 300 



— carinatus, St. J. and W., Keokuk, - 307 



— neglectus, St. J. aud TV., St. Louis, - 308 



— parvulus, St. J. and W., St. Louis, - 309 



— turgicLus, St. J. and W., Chester, .... 310 



— Alleni, St. J. and W., L. Coal Measures, 310 

 Leiodus, St. J. and VV\, 335 



— calcaratus, St. J. and W., U. Burlington, • - 336 



— var. grossipunciatus, Keokuk, 337 



Agassizodus, St. J. and W., ... ... 311 



— variabilis, (K. and W. sp.), TJ. Coal Meas., -. 318 



— Virginianus, St. J. and W., U. Coal Meas., - - 321 



— scitulus, St. J. and W., M. and L. Coal Meas. - - 322 



— corrugatus, (N. and W. sp.), L. aud TJ. Coal M., - 323 

 Periplectrodus, St. J. and W., 324 



— Warreni, St, J. and W., TJ. Burlington, - - 325 



— compressus, St. J. and W., St. Louis, - 326 



