roo 



INDEX. 



PAGE 



Proetus determinates 523 



Psiloconcha elliptica 667 



grandis 665 



inornata 667 



minima t 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 



Pyr>euomoeus decipiens 681 



subcuueatus 682 



Raphistoma affine 550 



Receptaculites devonicus 419 



Retzia formosa 413 



Rhynchonella acinus 593 



hydraulica 414 



raricosta 421 



scobina 592 



Rhytimya byrnesi 



compressa 



convexa 



micleboroughi. 



oehaua 



producta , 



689 



692 



691 



690 



689 



688 



radiata 692 



Smizodus chesterensis 474 



bphaerexochus pisum 528 



Spirifera contracta 471 



PAGE 



Spirifera lineata 48^ 



maia 444 



rocky-montana 471 



vanuxemi 412 



ziczac 44S 



Spirorbis atithraeosia... 492 



Straparollus incariuatum 552 



similis 476 



Streptorhynchus crassurn 468 



flabellum 421 



hydraulicum 410 



Stricklandinia tripleciaua 5 >4 



Stropnomena hanoverensis 567 



tenuis 568 



patenta 569 



Stylastraea anna 420 



Subulites direetus 554 



plani-lateralis 555 



Synocladia rectistyla 467 



Technophorus punctostriatus 685 



yoldiiformis 685 



Tellinomya clintonensis 563 



elliptica 562 



minima 563 



socialis 563 



Terebratula turgida 473 



Titanicthys 608 



attenuatus 612 



Trematoceras ohioense 427 



Triplecia ortoni 585 



Whitella ohioensis 678 



Zaphrentis cliffordana 465 



Zeacriuus mooresi 483 



