412 



INDEX. 



Fossils Continued. Page. 



Platyostoma 193 



lineata 77, 199 



Plethomytillis oviforme 75 



Pleurotomaria 51, 53, 94, 131, 194, 198, 199 



conoideu 168 



lonensis 52,60,195 



nodoinarginata 90 



* urbinifc >nnis 94 



Plnmulites 51 



Polypora 4 



stragula 91 



Porambonites obscurus 197 



Poaidomya devomca 77 



Iffivis 77 



Productus 193,199 



cora 96,98 



costatus 96,170 



hallanus 74.79,80 



hirsutiforme 83,193,194 



lacbrymosa, var. lima 83 



longispinus 90, .94, 161, 168, 170, 174 



navicella 74, 76 



nebrascensi 90,91,94,166,199 



prattenianus 89, 90, 91, 94, 95, 166, 168, 171 



punctatus 94, 170, 199 



semireticnlatus. . . 85, 89, 90, 91, 93, 94, 95, 96, 98, 

 158, 161, 166, 168, 170, 171, 174, 180, Ifl4, 199, 203 



Bhnmardianus 74,80,81,82,83,199 



shumardianus, var. py xidatns 74 



speciosus 83 



stigmatns 80,83 



subaculeatus 74, 76, 79, 80, 83, 193, 194 



tenuicostatas 199 



tmncata 76,79 



Prcetna .-. 194 



haldennani 80 



marginalia 75,77 



peroccidens 199 



Protospongia 192 



fenestrata 44 



Protypus expanses 43 



senectns 43 



Pterinea 191 



flabella 75 



newarkensis 82 



pintoensis 171 



Pterinopecten 193 



hoosacensis 89 



spio 89 



Ptilodictya 53,171 



carbonaria M 



serrata 94, 168 



(Stenopera) carbonaria 95, 164 



(Stenopera) serrata 95 



Ptychaspis miunta 45, 46 



Ptychoparia 42 



affinis 45, 50, 51 



annectang 51 



bella 44 



breviceps 45 



disBimffis 43 



granalosa 45, 50 



haguei 43,44,45,50,112 



Iffiviceps 44 



laticeps 44 



linnarssoni 44 



Fossils Continued. Page. 



Ptychoparia minor 188 



occidentals 43 



oweni 43, 44, 50, 51, 108, 118 



pernasnta 44 



piochensia 187, 188 



prospectensis 42 



similis 44 



simulata 45 



unisulcata 44,45,50 



protoformis 89 



Raphistoma 52 



acnta 195 



nasoni 52, 53, 109. 128, 131 



Eeceptaculites 51 ,115, 120, 123, 124, 127, 134, 191 



ellipticus 52, 53 



elongatus 52, 53, 197 



mammillaris . .52, 53, 54, 60, 109, 131, 195, 197 



Retzia mormoni 94,95,76,98 



radialis 193, 194 



Rhynchonella 59, 199 



(Leiorhyucbns type) 89 



capax 191 



castanea 73, 74, 79, 80, 83 



dupiicata 80, 81, 193, 199 



emmonsi 193 



eurekcnsis 89, 90, 91, 171 



horsfordi 77 



laura 80,84 



nevadenais 80, 84 



occidcns 77, 132, 193 



pugnus 84 



qnadricostata 193, 194 



sinuata 80, 84, 199 



tetbys 75,77 



Sanguinolites scolns 89 



combensis 77 



gracilis 77 



nsenia 90 



retnsuB 90, 171 



rigidus 84 



salteri 90 



sanduskyensis 77 



simplex 90 



striata 90 



ventricosuB 80 



Scenella conula 42 



Schizambon typicalis 51 



Schizodus cuneatuB 90, 171 



deparcus 90 



orbicularis 75, 77 



pintoensis 171 



Scoliostoma americana 77 



Skenidium devonicum 74, 75 



Solenomya curta 89 



Spirifera 77,78,193,190,199 



alba-pinensis 193 



annectans 91 



camerata 89, 90, 91, 94, 96, 161, 171, 174 



cristate 198, 200 



disjuncta 82,83,84,139,193 



engelmanni 79,80,81,82,84,193 



glabra 83,139 



leidyi 91 



lineata 169. 198, 199, 200 



(M.) maia 74, 79, 80 



neglecta 89,91 



