LAMELLIBRANCHIA TA. 



549 



ALPHABETICAL ARRANGEMENT— Continued. 



PLATE AND PIQDRE. 



Panenka i-etusa. Coni'ad, 



P. robusta, Hall, 



P. ventricosa, n. sp., . 



Paracardiuin, BaiTamie. 1881. 

 P. Doi-is, Hall, . 



Paracyclas, Hall. 1843 



P. Chemungensis, n. sp., 



P. elliptica. Hall, . 



P. ei-ecta, n. sp., 



P. ig-nota. Hall, 



P. lirata, Conrad, 



P. Ohioensis, Meek, 



P. ? pauper. Hall, 



P i-otunda. Hall, . 



P. tenuis. Hall, . 



Pararca, mov. oen. 

 P. erecta. Hall, . 

 P. venusta, n. sp., . 

 P. pi-aecedens, n. sp., . 

 P. Sao, Hall, . 

 P. transversa, Hall, . 

 P. neglecta, n. sp., 



1870, 



PholodeUa, HaU. 

 P. Newberryi, Hall, 

 P. parallela. Hall, . 

 P. radiata, Conrad, 



Phthoiiia, Hall. 1870. 

 P. cylindrica. Hall, 

 P. truncata, n. sp., . 

 P. nitiila, n. sp., . 

 P. nodicostata. Hall, 

 P. sectifrons, Conraii, 

 P. lii-aU, Hall, 



Prsecardiiim, Baii-ande 

 P. vetustum. Hall, 



Proiuacrus, Meek. 1871 

 P. cuneatus. Hall, 



Prorhyiichus, nov 



P. aiig'ulatum, n. sp., 

 P. nasutum, n. sp., 

 P. quadratum. Hall, 



Prothyris, Meek. 1869, 

 P. alata, n. sp., . 

 P. exuta, n. sp., 

 P. laticcolato. Hall, 

 P. planulata. Hall, . 



Protomya, nov. ok». 

 P. oblonga. Hall, 



70 



1881. 



421 

 424 

 417 



444 



441 

 442 

 446 

 444 



432 

 431 

 429 

 430 

 429 

 432 



LXIX, fig. 6. 

 LXX. figs. 22-24. 

 LXIX, tig-s. 1, 2. 



428 LXX, figs. 10, 11. 



443 XCV, fig. 23. 



440 LXXII. tigs. 23-33 ; XCV, tig. 18 



445 XCV, fig. 22. 



LXXII, fig. 34. 



LXXIL tigs. 2-19 ; XCV, fig. 19. 



LXXII, fig 1 ; XCV, fig 24. 



LXXV, figs. 24-26 ; XCV, fig. 20. 



LXIII, figs. 18, 19; XCV, fig. 21. 



t4» ijAiii, ngs. lo, i»; AUY, ng. 21. 

 443 LXXII, tigs. 20-22 ; XCV, fig. 25. 



LXX, fig. 16 ; XCIV, figs. 20, 21. 



XCIV, fig. 22. 



XCIV, fig. 19. 



LXX, tig. 17. 



LXX. figs. 12, 14, 15. 



LXX, tig. 13. 



471 LXXVIII, fig. 25. 



470 LXXVIII, tigs. 22-24. 



469 LXXVIII, tigs. 15-21 ; XCVI, tig. 1. 



473 LXXVIII, figs. 1-4. 



476 XCIV, fig. 4. 



477 XCIV, figs. 5, 6. 



474 LXXVIII, tigs. 5-9. 



475 LXXVIII, tigs. 10-13. 



476 LXXVIII, fig. 14. 



427 LXX, figs. 18-20. 



510 LXXVIII, fig. 28. 



493 XCVI, fig. 7. 

 493 XCVI. fig. 6. 

 492 LXXIX, figs. 40-49 ; XCVI, fig. 5. 



461 XCIV, fig. 7. 



462 XCIV, fig. 9. 

 460 LXXVI, figs. 2-8. 



460 LXXVI, fig. 1 ; XCIV, fig. 8. 



509 LXIII, fig. 21. 



