INDEX. 369 



PAGE. 



Fossil shells L. Garb, limestone 32$ 



Fulton county, coal in 3 



Fusulina limestone 27 



Gallatin county, coal in 4,7 



Glassware, sandstone for 40 



Glymmatacanthus 249 



petrodoides 241* 



rudis 249 



Gyi acanthus 251 



? cordatus 251 



Greene county, coal in 3,12 



" section at Kood house 3 



Grindstone grit 87 



Harvel, boring at, section of 37 



Heteroschisma 352 



alternatum 357 



gracile 351 



Hybochinus 331 



spectabilis 332 



Hydraulic cement 39 



Ichthyodorulites 233 



Illinois Coal Fields 1 



Invertebrates, description of 270 



Introduction to Palaeontology 56 



Iroquois county, boring, section of 25 



Irving, oil wells at 38 



Jackson county, coal in 4 



Jersey county, coal iu 12 



Keokuk limestone 16 



Kirkpatrick's ford, outcrop of coal 42 



LaSalle, coal in 4 



LaSalle county, notes on 39 



Lecythiocrinus 317 



Adamsi 317 



Lemonton, boring at 31 



Lepidechinidas 331 



Lime, materials for 40 



Litchfleld, shaft at 28 



" coal oil in 37 



Lower Magnesiau limestone . . 39 



Macoupin county, coal in 12 



Madison county, coal in 10 



Magnesia 40 



Mar issa, boring at 30 



Marietta , quarry at 37 



Marsailles, boring for water 50 



Marshall county, shaft in ; 29 



McDonough county, coal in section of 3 2t 



Montgomery county, shaft in 28 



