700 



INDEX. 



PAGE! 



Proetus determinatus 523 



Psiloconcha elliptica 667 



grandis 665 



inornata 667 



minima 669 



perangulata 649 



sinuata 668 



subovalis 666 



subrecta 667 



tenuistriata 688 



Pterinea aviculoidea 415 



brisa 557 



flabella 449 



similis 445 



Ptilodictya lanceolata 598 



whitfieldi 598 



Pyrenomoeus decipiens 681 



subcuneatus 682 



Raphistoma affine 550 



Receptaculites devonicus 419 



Retzia formosa....t , 413 



Rhynchonella acinus : 593 



hydraulica 414 



raricosta 421 



scobina 592 



Rhytimya byrnesi 689 



compressa 692 



convexa 691 



micleboroughi 690 



oehana 689 



producta 688 



radiata 692 



Schizodus chesterensis 474 



tophaerexochus pisum 528 



Spirifera contracta 471 J 



page; 



Spirifera lineata 48^' 



maia 444 



rocky-montana 471 



vanuxemi 412 



ziczac 44S 



Spirorbis anthracosia 492 



Straparollus incarinatum 552 



similis 476 



Streptorhynchus crassum 468 



flabellum 421 



hydraulicum 410 



Stricklandinia tripleciana 5)4 



Stropnomena hanoverensis 567 



tenuis 568 



patenta 569 



Stylastraea anna : 420 



Subulites directus 554 



plani-lateralis 555 



Synocladia rectistyla 467 



Technophorus punctostriatus 685 



yoldiiformis 685 



Tellinoniya clintonensis 563 



elliptica 562 



minima 563 



socialis 563 



Terebratula turgida 473 



Titanicthys •. 608 



attenuatus , 612 



Trematoceras ohioense 427 



Triplecia ortoni 585 



Whitella ohioensis 678 



Zaphrentiscliffordana 465 



Zeacrinus mooresi 4£3 



