INDEX TO PART II. 



3 



Productus setigerus, v. keokuk, 639. 

 shumardianus, 499. 

 subalatus, 500. 



tenuicostus, 675. 

 vittatus, 639. 



wortheni, 635. 



PTYLOP0RA, 652. 



Ptylopora prouti, 653. 

 Retzia vera, 704. 



vera, v. costata, 704. 



verneuilana, 657. 

 RHODOCRINTJS, 556. 

 Rhodocrinus wortheni, 556. 

 Rhynchonella mutata, 658. 



subcuneata, 658. 

 SCAPHIOCHINUS, 550 & 678. 

 Scaphiocrinus dactyliformis, 670. 



decabrachiatus, 679. 

 dichotomus, 553. 

 internodius, 679. 

 scoparius, 680. 



simplex, 551. 

 Spirifer aspera, 508. 



bimesialis, 507. 



biplicatus, 519. 



cameratus, 709. 

 capax, 520. 

 extenuatus, 520. 



fimbriatus, 505. 

 forbesii, 600. 



grimesi, 604. 

 hungerfordi, 501. 



imbrex, 601. 

 ineertus, 602. 

 increbeseens, 706. 



increbescens, v. trans versalis, 708. 



inutilis, 505. 

 keokuk, 642. 

 keokuk, var., 676. 

 lateralis, 661. 

 ligus, 510. 

 logani, 647. 



marionensis, 511. 

 neglectus, 643. 



6pimus, 711. 



Spirifer parryanus, 509. 



pennatus, 510. 



plenus, 603. 

 propinquus, 647. 

 pseudolineatus, 645. 



rostellatus, 641. 

 setigerus, 705. 

 spinosus, 706. 

 striatus? var., 647. 



subaequalis, 663. 

 subeardiiformis, 660. 

 subcuspidatus, 646. 



submueronatus (dele) ; 



subattenuatus, 504. 



suborbicularis, 644. 

 subrotundatus, 521. 



tenuicostatus, 662. 

 tenuimarginatus, 641. 

 whitneyi, 502. 



(sp. undetermined), 647. 

 STRIATOPORA, 478. 

 Striatopora rugosa, 479. 

 STROPHODONTA, 491. 

 Strophodonta arcuata, 492. 



demissa, 495. 



fragilis, 496. 



lepida, 493. 



reversa, 494. 



SYNBATHOCRINTJS, 483 & 559. 

 Synbathocrinus matutinus, 483. 



swallovi, 672. 



wortheni, 560. 

 TAXOCRIJJUS, 482. 

 Taxocrinus interscapularis, 482. 

 Terebratula trinuclea, 659. 



subtilita," 714. 

 Zaphrentis spinulifera, 650. 

 ZEACRINITES, 543. 

 ZEACRINUS, 544. 

 Zeacrinus depressus, 546. 



elegans, 547. 



intermedius, 681. 



magnoliseformis, 544, 545, 684. 



maniformis, 682. 



ramosus, 548. 



wortheni, 545 & 683. 



