866 



INDEX. 



'Utalics refer to synonyms. Roman numbers 



Onustus leprosus Con., 690 



Onychocella digitata, 330, XXIII 



Oolina simplex Reuss, 203 



Orthocera obliqua I^amark, 215 



Orthoceras farcimen Soldani, ........ 210 



Ospirasolen cretaceus Con., 628 



Ostrea (Alectryonia) larva White, 



445, 446, 447 



bryani Gabb, 448, XI^IV 



congesta Con., 435, XIvIII 



convexa Say, 451 



crenulimarginata Gabb, . .441, Xlyll 



cretacea Mort,, 434, XLII 



denticulifera Con., 436, XI/III 



falcata Mort., 444, 446, 447, XIyIII 



glandiformis Whitf., 449 



(Gryphaeostrea) vomer Clark,.. 455 



larva Cook, 445 



Whitf 446, 447 



mesenterica Mort., 446, XLIII 



monmouthensis n, sp., ...442, XLII 



nasuta Mort ."447, XLIII 



panda Mort., 437, XI^II 



plumosa Mort, 439, XLII 



pusilla Gabb, 443 



subspatulata Forbes, 440, XLII 



tecticosta Gabb, 443, XLIU 



urticosa Mort., 484 



P 



Pachycardium burlingtonense Whitf.,.. 584 

 Pachydiscus complexus (H. & M.)?, 819, CI 



Palmula sagittaria Lea, 247 



Panopea elliptica Whitf., 647, LXXIII 



Papyridea elegantula Gabb, 526 



{Liopistha) protexta Meek,. 526 



Paracyathus vaughani n. sp., 270, V 



Paranomia lineata Con., 500 



saffordi Con., 500 



scabra (Mort.), 500, LH 



Patella tentorium Mort., 663, LXXV 



Pecten sp. und XLIX 



argillensis Con., 472, XLIX 



bellisculptus Johns., 473 



burlingtonensis Gabb, . . .470, XLIX 

 (Chlamys) craticulus Whitf., . . 478 



cHffwoodensis, 469, L 



conradi (Whitf.), 474, L 



craticulus Mort., 478, L 



parvus (Whitf.), 477, L 



Perlamellosus Johns., 471 



planicostatus Whitf., 467 



quadricostatus Roem., 482 



quinquecostata Sow., 481 



quinquenaria Con,, 476, L 



simplicius Con., 480, LI 



simplicus Con., 474 



(Syncyclonema f) perlamellosus 

 Whitf., 470 



refer to plates. Arabic numerals to pages.} 



Pecten tenuitestus Gabb, 467, L 



tenuitestus Whitf., 468 



venU/Stus Mort., 478, LI 



whitfieidi n. sp., 468, L 



Pectunculus australis Mort., 414 



subaustralis D'Orb., 414 



Pemberton, fossil from, 157 



Pennsylvania Clay Company's pits, 



fossils from, 48 



Pentaceros asperulus n. sp. Clark,. .278, VI 



Pentacrinus bryani Gabb, 276, VI 



Periplomya elliptica Gabb, 522, LVII 



truncata Whitf., 522 



Perissolax dubia Gabb, i.730, LXXXV 



octoliratus Gabb, 731 



retifer Whitf., 749 



Richardsoni Gabb, 739 



trivolva Gabb, ... .731. LXXXV 



Perna Julia Con., 506 



ovata Con., 509 



Peronaeoderma georgiana Gabb,. .617, LXX 



Perrisonota protexta Con., 379, XXI 



Petricola nova-aegyptica Whitf., 



614, LXVIII 



Phasianella punctata Gabb, 682 



Pholadomya anteradiata Gabb, 519 



(Cymella') undata Meek,.. 532 



occidentalis, 513, LVI 



roemeri Whitf., 515, LVI 



undata M. & H., 531 



Pholas cithara Mort., 651, LXXIV 



cretacea Gabb, 654 



pectrosa Con., 651 



Pholas f lata Whitf., 521 



Phorus leprosus Gabb, 6go 



umbilicatus Tuom., 692 



Pierre fauna, 182 



Piestochilus sp. und., '. XCV 



bella (Gabb), 782, XCII, XCVI 



kanei Gabb, 784, XCVI 



Pilsbry, H. A., 6 



Pinna Mort., 420 



laqueata Con., 419, XXXVI 



rostriformis Mort., .. .420, XXXVII 



Placenticeras placenta (DeKay), . . 



^830,Ciy, CV 



telifer (Mort.), ....832, CIV 



Placuna scabra Mort,, 500 



Placunanomia lineata Con 500 



saffordi Gabb, 500 



scabra Gabb, 500 



Placunomia lineata Meek, 500 



saffordi Meek, 500 



scabra Meek, 500 



Pl&giosioma echinatum Mort., 487 



erecta (Whitf,), 495, LIV 



gregalis Mort,, 486 



pelagica Mort., 489 



