INDEX. 





Page 



A H rl rl f» — 



XI. Li Vly i 1 LA tX 





Ad-ditioniil List of Pl3>iits 





±\.\J.\J.LVL\JLlCh I IAKJVjXZ'J \J\J VvWAVq y . . - - 



58 



A 1 n Tini n Q 



33-3B 



A 1 n m inn tti 



49 





147 



A n r^H on "i"! cic* 



118 



A T»r*l"» fifi T» 



7 



A TJ+Cici u n Wfil 1 G 



54-159 





145 





58-68 



T> Q 1 rl w 1 n 'g T-Ti G"t',riT''\7" 



15 





83-84 



Bil ds • - 



76-82 



Til r\r\f{ cn pU'P'p 



168 





62 





32 





68 





B 





53-71 





71 



r 1 r*i "f A'rnn <; 



13 





13-14 



CciiCifBrous Fossils 



15-56 



1 r*i n m 



146 





18-64 



Canoii 1 to 18 described. ... 



64-68 



Cs-Dton, Horseshoe* 



66 



Ottrboiiic Er3, 



34 



Carbonic Acid Gas in atmosph. 



36-36 



KycLL UUlliL' xi^C .... 



40 



O** »*V\rin i fpmn "Si A o^P — 

 1 Uv/iiiXd L/ U-O d-Qt; 





^'^eff etation 



34-37 



P'^lk-in^ W W 



15-131 





10 





160 



r^rk-t'r\r\ T TTlnw r^f A Tf^fti f» n 



159 



Wells 







58 





18 





18 





32-33 



Clark's Run 



17 





48 49 





48 





24-49 





24-25 

 60-61 





25-26 



Coal beds, sequence of.. 



36-28 



Coal beds, composition 





Coal beds, depth from surface.. 



29-30 



61-62 



Coal beds, how formed , 



36-38 



Coal Measures . 



18 



Coal. Production of 





Coal, Quality of 



167 



Coal, Vermillion Field 



26-39 





132 





8-33 

 58-59 





57 



Oraddock Limestone 



28 



Crustaceous 



93 







Dana, J. D., on Coal 



36 





53 



Page 



Deer Park Glen or Canon 19-31 



Deer Park Township 31-45 



Dimmick 35 



Drift 39-40 



Drift, origin 41-43 



Doubts 13 



Earthworm— 168 



Elevations 166 



Ellsworth, Urbin 57-58 



Endocarpon 147 



Errata— 163 



Esmond, C. W 59 



Evans. Dr. E., on Coal Sirata... 36 



Falls, Bailev's 58-68 



Falls, Bullrush 68 



Pishes 84 



Fungi 153 



Fossils 17-55 



Rock, defined 



Rock, classes 



Rock, composition.... 



Gas, Natural 38-50 



Geology Defined 1 



Geology, Field of 1 



Geology La Salle County 11 



Geology, Economical ... 47-54 



Geology. Economical of Illinois 19-26 



Geological Periods- 

 Geological Series.. . , 6-7 



Geological Series, breaks in 4 



Geological Report of Illinois.,.. 27 



Glaciers , 44 



Glyphidei 145 



Goniobasis 113 



Graphidacei 144 



Gymnocorpous _ 125 



Gypsum 18-71 



Helicin^ 97-101 



Helix 98 



HepaticaB 150-53 



History of La Salle County: 45-46 



Hypothesus 39 



Insects 85-92 



Leach 168 



I/ecanora 136 



Lecanorei. 134 



Lecideacei 140 



Lecidea 143 



Level, Changes of 10 



Lichens— What They Are 121 



Where Found 122 



Organs 123-124 



Uses 134-125 



Limestones 11-13 



Origin 33 



Craddock 28 



Trenton 17-19 



23-33 



See Trenton. 



Limnacidse 103-104 



Lover's Leap 68 



Marcasite 69 



Margaritiua. H8 



Marine Life 9 



Melanterite 71 



Metals 51 



Mineral Waters, 51 



