268 



INDEX. 



Pagre 



expansus 175 



koaincki 178 



lencosia 176 



origiaarius 178 



remlbrachiatns 178 



veroenilianus 177 



Eucladocrinns pleuroviminus 202 



Eupachycrinus harii 218 



magister 218 



maniformis 217 



orbicularis 217 



splia3ralis 2J8 



verrucosus 217 



Evolution 89 



Expansion of crlnoids 147 



Explorations, early, in Mississippi val- 

 ley. • 49 



Extinction of crinoids 147 



Faunal peculiarities of Burlington 65 



Faunas, fossil 24 



Favosites favosa 120 



hemlsptierica 120 



Favistella stellata 116 



Feather- stars 143 



First limestone 38 



sandstone 34 



Forbeslocrinus agassizi ■ 224 



agassizi, var. giganteus 224 



elegantulus 223 



monroensis 224 



shumardianus 224 



thlemi 223 



■wortheni 224 



Formations, geological 29 



table 30 



Fourtb Magnesian limestone 33 



Fossils , application of term 25 



biological relations 89 



biological use 25 



definition 25 



discrimination 89 



educational value 21 



economic value 20 



geographical distribution 25 



interest 2+ 



literature 22 



preservation 27 



Frederickto wn , section 35 



Fnsulina cylindrica 102 



Gasteropoda 99 



Gaurocrinus splendens 162 



Gennajocrinus trijugis 174 



Geographical distribution of fossils ... 25 



Geological, corps 6 



formations 29 



Gephyra 94 



Gilbertsocrinus typus 164 



Girardeau limestone 40 



Glyptocrinus fimbriatus 225 



fornshelli 162 



Granatocrinus curtus 140 



melo 189 



neglectus^ 139 



norwoodi 14u 



projectus 140 



sayi 1.S8 



Grand Tovrer limestone 42 



Granite 31 



Graphiocrinus carbonarius 219 



dactylus 213 



Gregarinida 91 



Griffithides sedaliensis 235 



Hadrophyllum glans 116 



Hall, J., quoted 50, 53 



Hamilton , western 43 



Hannibal shales 56 



Helderberg 42 



Holothuroidea 92 



Hudson shales 39 



Hydieionocrinus acanthophorus 215 



mucrosplnus 216 



pentagonus 215 



verrucosus 217 



Hydroids 104 



Hydrozoa 91 



Illfenus graftonensis 226 



insignis 227 



Illustrations, list 9 



Inadunata 94 



Infusoria . 91 



Insecta 96 



Introduction 20 



Juncture, Cambrian and porphyry. 



35 



Kaskaslda, beds 72 



limestone 74 



Keokuk , exposures 46 



limestone 66 



Kitderhook, beds 48 



definition 48 



exposures 52 



subdivisions 51 



upper member 57 



Lamellibranchiata 97 



Lechthiocrinus adamsi 208 



oUiculiBformis 208 



Leperditia sublasvis 289 



Leptocardia . 101 



Leptopora gorbyi 119 



typa 119 



Letter of transmittal 3 



Lichas boltoni 226 



Lite, crinoidal 147 



blastoidal 145 



Limestone, Augusta 58 



Birdseye 38 



Black River 33 



BurliEgton 61 



Callaway 43 



Chouteau 57 



Clear Creek 41 



first S8 



fourth 33 



Girardeau 40 



Grand Tower 42 



Kaskaskia 74 



Keokuk 66 



lithographic 51 



Louisiana 51 



magnesian S3 



Saint Louis 71 



second 34 



third 34 



Trenton 38 



Upper Silurian 41 



List of illustrations 9 



Literature, inaccessibility 23 



on fossils 22 



Lithographic, fauna 55 



limestone 51 



Liihostrotion basaltiforme 106 



mamillare 106 



proliferum 106 



Lophophyllum calceola 110 



proliferum 115 



Louisiana, fauna 55 



limestone , 51 



section 47 



