INDEX. 



295 



Page. 

 PTEKIXOPECTEN Continued. 



exfoliatus 233 



Hoosacensis 232 



Spio 233 



si)..' 276 



(Pecten) papyraceus 233 



1'TEKOCEPHALUS 58 



PTEROPODA 23,85,196,264 



PTILODICTYA carbonaria 8 



serrata 8 



sp. ? 270,279 



PTYCH ASPIS 60 



minute 3,6O 



pustuloaa 269 



PTYCHOPARIA 46,91 



affinis 3 



Tangnlatua 269 



? annectans 91 



Anytus 56 



fiilyuienoides 48 



rentralis 55 



Eos 51 



Gallatinenais 27,55,57 



granulosus 3, 57 



Hagnei 3, 57 



Iseviceps 54 



? Linnarssoni 2, 47 



macnlosus 269,271 



minor 91 



minutua 91 



Montanensis 53, 56 



nitidus 57 



Oweni ' 3,17,20,55,71 



occidentals 51 



?pernaautus 49 



]>lanns 56 



> Prospectensis ?, 46, 48 



siniilis 52,53 



piroilis var. robuatus 53 



striatus 48 



rmisulcatus 3, 58 



sp.? 269 



(Euloma ?) affinia 54 



(Enloma?) dissimilis 51 



(Pterocephalns) laticeps 59 



( Pterocephalus) occidens 58 



(Solenoplenra) breviceps 49 



PTYCHOPHYLLUM ? infundibulum 274 



PTYCHOPTERIA 235 



Proto 235 



protoforme 235 



sinuosa 235 



Page. 



PULMONIFKKA 261 



PUPA Bigsbyi 262 



Vermillionensis 262 



vetusta 262 



EAPHISTOMA 78 



Xasoni 4,78,79 



sp.? 271 



(Pleurotomaria) "Nasoni 78 



RKCEPTACULITE8 05 



ellipticus 67 



elongatus 66, 67 



fungosum 06 



infundibulus C7 



insnlaris 66 



Jonesi 66 



mammillaris 4, 65, C6 



Keptuni C6 



RECURRENT SPECIES, Number of 9 



RESULTS. Summary of 1 



RETZIA -'- 220 



compressa 220, 221 



Marcyi 220,222 



Mormoni 220,221 



punctulifera 220, 221 



rartialis 5,220,221,222 



radialis var. grandicosta 221 



subglobosa 220 



vera 220,222 



Verneuiliana 220,222 



RHIZOPODA 65 



RHYNCHONELLA 152,223 



alte 156 



castanea 153, 154, 155 



Cooperensis 224 



cuboides 154, 137 



duplicata 155,157 



Emmonsi 154,157 



Eurekensia 223 



Horsfordi 152 



intermedia 157 



? Laura 159 



Misaouriensis 156 



? occidens 1 52 



pugnus 155, 159 



reniformis 156 



sinuata 169 



Tethya 152 



Thera 223 



venustula 154, 157 



sp.? 280 



(Leiorhynchus) Kelloggi 158 



(Leiorhynchns) Laura 157, 159 



