INDEX 



[Index of genera and species. Synonyms in italics 



Page 



8cadica, Indiana 6,82,122 



acadica, Primitia 82 



acuta, Bradoria - 6.7,19,108,110 



acuta, Schmidtella 19,20 



alata, Leplditta 6,93,94,118 



alta, BejTichona - 48,117 



Aluta - — 4,49 



bergeroni 52, 120 



douvillei 61,113 



enyo 54,120 



eris -- 53,120 



flexilis 6. 50, 52, 120 



fragllis - 57,120 



hoUii 61, 121 



primordialis 59, 120 



? rimulata - - 61, 115 



rotundata 60,120 



stereope.- 55, 120 



troyensls 58,120 



woodi - --. 56, 120 



andersoni, Aparchites"! 72 



andersoni, Indiana.. 72,123 



angelini, Beyrichia 67 



var. armata, "Beyrichia" 67 



angelini, Polyphyma 67,121 



anomala, Lepidilla 6,99,100,115,118 



Anomalocaris 5 



. Aparchitesl andersoni 72 



Aparchites fennicus 30 



Aparchites? robustus 22,108 



secunda 71 



apicalis, Walcottella 33,112 



appressa, Dielymella. 88,124 



Aptychopsis 55 



Apus 4 



Aristozoe _ _ 49 



rotundata 60 



troyensis 50,55 



armata, Polyphyma 67,121 



auriculata, Lepiditta 6,96,115,118 



am-ora, Bradoria 6,30,108 



aurora, Primitia _ 30 



benepuncta, Beryrichona 6 



Bradoria 6,7,18,108,109,110 



spissa, Bradoria 7,18,109 



bergeroni, .\luta 52,120 



bergeroni, Bradoria 52 



Beyrichia angelini 67 



"Beyrichia" angelini var. armata 67 



Beyrichia hollii 61 



(?) primaeva 29 



triceps 46 



Beyrichona... 4,42 



alta 48, 117 



benepuncta 



Page 



Beyrichona'cambrica 6 



faba 47, 118 



gevalensis. 47, 118 



minor 6 



oculata 6 



ovata 6,47,117 



papilio 6,43,116,117 



Beyrichona ptanata 45 



Beyrichona rotundata 6,46,116,117 



ruteUura 6,48,111 



species. 119 



tinea. 6, 43, 116, 117 



planata 6,45, 116, 117 



triangula 6,44,116,117 



Beyrichona triangula 43,44 



Beyrichona triceps 6,46, 116 



Beyrichonidae 42 



Bidentia 4 



Bradoria 4,12,49 



acuta.. 6, 7, 19, 108, 110 



(?) aurora 6,30,108 



benepuncta.. 6, 7, 18, 108, 109, 110 



spissa. 7,18,109 



Bradoria bergeroni 52 



Bradoria cambrica. 28,108,111 



condnna - 7, 28, 110 



curta 7,26,110 



Bradoria douvillei 61 



Bradoria elongata 6, 7, 20, llo 



Bradoria enyo 54 



eris 53 



Bradoria fennicus 30,111 



Bradoria fragilis 57 



Bradoria hicksii... 31, 110 



medialis 7,19,110 



minor 29, 108 



nitida 31, 111 



obesa 6,7,27,108,111 



Bradoria observator mut laevis 21 



ligata... 19 



Bradoria oculata 16,108 



ornata. 7,30,108 



ovalis 6,7,21,108,110 



prima 7 



perspicator 7,24,108,111 



primaeva 6,29,108 



robusta 6,7,22,108,109 



longula 7,24,109 



rugulosa 6,7.21,108 



scrutator 6, 12, 14, 108, 110 



Bradoria scrutator 18 



Bradoria spectator 6, 7, 25, 108 



spinosa.... 6,7,26,108 



(?) steadi 6,29,108 



Bradoria stereope 55 



127 



