278 



INDEX OF GENEEA AND SPECIES. 



Page. 



Anodontopsis ? milleri 66, 79 



( Modiolopsis 1) unionoides ... 79 



uniouoides 66 



Anolax gigantea 222 



plicata 222 



Anomalocai'dia trigintinaria 50 



Anomalocriuus 37, 55, 77 



incurvus 77 



Anomalocystites 77 



(Ateleocystites) balan- 



oides 69,77 



Anomia 93, 95, 97, 158, IGO, 211, 213, 219, 266 



argentaria 266 



concentrica 32, 95 



grypLoihyuchus 9" 1 , 1 60, 168 



micronenia 88, 160, 168 



nitida 93 



?obliqua 81,97 



(Placnnopsis 1) gryphorhyncns 77 



propatoris 158, 167 



rsBtiforinis Ill 



subcostata 211,213,219 



8ubtrigon.^lis 31, 97 



tellinoides 266 



anomiidas 97, 111,266 



Anomocare 190 



? parvum 190 



Anomol acardia rhomboidella 220 



AnompLalus 40, 87 



lotulus 40,87 



Anthopbyllum cuneiforme 220 



expansum 347 



Anthracerped 37, 46, 53 



typus 37,46 



Anthracoptera 61, 165 



??fragilia 41,61 



polita 165 



Antbracopupa obioen=i8 167 



Anthrapalaemon 37,46,61,179 



gracilis 37,46,61,179 



Aphrodiiia 100, 269 



tippana 269 



Aploceras 27 



Aporrhaidte 102, 111, 134, 264 



Aporrbais 102, 264 



biangulala 102 



deceinlirata 48 



(Goniocheila) castorensis 361, 264 



meeki 361 , 264 



newberryi 264 



parva 31,48 



snbliBvis 31, 48 



Aptycha 29 



Arachnida 61 



Aracbnopbyllum 333 



Area 92, 137, 207, 208, 209, 211, 213, 215, 216, 217, 



218, 267, 270 



? 206, 274 



acclivia 307 



altirosiris 267 



bhanidunensis 309 



brt'vifrons 307 



canalis 50,315,216 



carbonaria 20 



1 coalvilleusis 137 



Page. 



Arcacongesta 50,315,216 



(CucullfBa) cordata 15 



eqnilateralis 17 



inomata 18, 180 



shumardi 15 



cunens 309 



declivia 307 



devincta 306 



equilateralis 92 



fabiformia 308 



incUe 50 



indurata 307 



longa 309 



microdonta 50, 211, 213 



obispoana 317 



orientalis 307 



parallella 70 



protracta 50 



quindecemradiata 270 



rhomboidella 220 



shumardi 274 



striata 51 



siibelongata 318 



sabrotundata 307 



sulcatioa 356 



syriaca 307 



trilineata 50,315,216 



vancouverensis 17 



Arcadae 28 



Arcestes 110,146,163,239 



? ? 146,163 



? cirratus 146, 163, 339 



gabbi 110,239 



? perplanus 110,239 



ArcestidsB 110,239 



Archaecocaris 90 



vermiformia 89 



ArchaeocidaridtB 43 



Archa30cidari8 23, 44, 72, 127, 131, 136, 150, 151, 



163, 196, 245 



? 19,87 



cratis 136, 163 



dininnii 150,163 



gracilis 345 



longispinus 345 



mucronata 33, 44 



omatns 131, 345 



triplex 151 



triserrata 73 



tnidifer 137, 131 



Archaeocaris vermiformis 68 



Archunedea 147, 154, 248 



laxa 154 



Archimedipora 94 



? 94 



archimedes 255 



Architectonica abotti 48 



henrici 221 



ornata 221 



plana 221 



paeudograniilata 221 



Arcidae 33, 98, 111, 134, 262, 263, 267, 270 



ArcinsB 33 



Arcopagella 70, 100 



?macrodonta lOO 



