866 



INDEX. 



\Jtalics refer to synonyms. Roman numbers 



Onustus leprosus Con 690 



Onychocella digitata 330, XXIII 



Oolina simplex Reuss, 203 



Orthocera obliqua Lamark 215 



Orthoceras farcimen Soldani, 210 



Ospirasolen cretaceus Con., 628 



Ostrea (Alectryonia) larva White, 



445, 446, 447 



bryani Gabb 448, XLIV 



congesta Con 435, XLIII 



convexa Say, 451 



crenulimarginata Gabb, ..441, XLII 



cretacea Mort 434, XLII 



denticulifera Con. 436, XLIII 



falcata Mort., 444, 446, 447, XLIII 



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, XLII 



plumosa Mort., 439, XLII 



pusilla Gabb 443 



subspatulata Forbes, 440, XLII 



tecticosta Gabb, 443, XLIII 



urticosa Mort., 484 



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, LII 



Patella tentorium Mort 663, LXXV 



Pecten sp. und., XLIX 



argillensis Con., 472, XLIX 



bellisculptus Johns. 473 



burlingtonensis Gabb, . . .470, XLIX 

 (Chlamys) craticulus Whitf., . . 478 



cliff woodensis, 469, L 



conradi (Whitf.) 474, L 



craticulus Mort 478, L 



parvus (Whitf.), 477, L 



perlamellosus Johns., 471 



planicostatus Whitf 467 



quadricostatus Roem. 482 



quiiiquccostata Sow., 481 



quinquenaria Con 476, L 



simplicius Con., 480, LI 



simplicus Con. 474 



(Syncyclonema ?) perlamellosus 

 Whitf,, 470 



refer to plates. Arabic numerals to pages.] 



Pecten tenuitestus Gabb 467, L 



tenuitestus Whitf., 468 



venustus Mort., 478, LI 



whitfieldi n. sp., 468, L 



Pectttnculus 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 730, LXXXV 



octoliratus Gabb, 751 



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 6si,LXXIV 



cretacea Gabb 654 



pectrosa Con., 651 



Pholas ? lata Whitf., 521 



Phorus leprosus Gabb, 690 



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, CIV, 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 



Plagiostoma echinatum Mort 487 



erecta (Whitf.) 495, LI V 



gregalis Mort., 486 



pelagica Mort 489 



