460 
Phragmolites compressus Con......... 178, XII. 
Phylloporina fenestrata H.......20, 38, 1435, VII. 
Platyceras sp. undet........... 64, 63, 82, 95, 98, 104, 
24%, 335, 371, XXIL., XLIII. 
gebhardi Hall...........cesssesee aatece 318 
gibbosum Hall......83, 294, XXXII. 
tortuosum Hall......101, 362, XLIX. 
Platyceras ? columbiana 0. sp......... 16,131, IV. 
Platymetopus trentonensis (H.)......24, 31, 32, 35, 
36, 38, 42, 44, 46, 200, XV. 
Platynotus trentonensis Hall..........s00-seceseree 200 
Platyostoma desmatum (Clarke).............000--- 98, 
362, XLIX. 
nearpassi 0, sp.....95, 334, XLII. 
ventricosa Con......... wesnnedes i00, 101, 
102, 361, XLIX. 
Platystrophia biforata (Schl. ).............32, 38, 40, 
42, 43, 45, 153, IX. 
Plectambonites sericeus (Sow..)......22, 23, 25, 26, 
27, 28, 29, 30, 31, 32, 38, 34, 35, 36, 
38, 39, 41, 42, 43, 44, 45, 46, 47, 
48, 51, 149, 216, IX., XVI. 
Plectorthis plicatella (Hall).....22, 23, 24, 25, 26, 
28, 29, 30, 31, 38, 41, 44, 45, 51, 
152, 216, IX., XVI. 
Pleurotomaria micula Hall........cccccssercesecees 182 
Bolyeyratia ml Senecccscsccectvecccscs20ccssseces 130 
Sinistra nN. Sp...........00..16, 130, LV. 
PoxinowWsland ssh al ess i.ccccecsctecesccssas sasessnss 57, 61 
Prasopora simulatrix Ulr.....22, 24, 25, 26, 27, 29, 
30, 82, 38, 39, 41, 42, 43, 
44, 45, 46, 47, 48, 140, VIII. 
Prismatophyllum inequalis (Hall)................. 65, 
Proetus brevimarginatus ND. SP.....-cs0----sceee 22, 
28, 24, 27, 32, 31, 197, XV. 
latimarginatus n. sp........... 23, 24, 25, 26 
27, 28, 29, 30, 51, 32, 33, 34, 
35, 86, 48, 45, 195, XIV. 
pachydermatus Barrett. ..........sseess. 65, 
66, 248, XXII. 
protuberans Hall........82, 296, XXXII, 
Proetus ? depressus 0. SP.......000-- 63, 249, X XII. 
Proetus ? spinosus N. §p........+.....68, 250, XXII. 
Protowarthia cancellata (Hall)......25, 27, 31, 32, 
38, 34, 35, 86 175, XII. 
Pseudospherexochus trentonensis...........:0« 21, 
205, XV 
Pterinea sp. undet...........+ secstsdcererenesanecceeee 63 
emacerata (Con.) ?.....65, 242, XXII. 
flabella (Con.)....cs00..... 105, 378, LIL. 
PLEPINES;? SP rUN WCliniveccarcavccnceevescecceecs 98. 243 
Pteronites ? subplana Hall.............243, XXII. 
Pterotheca expansa (Emm.) ?.. 1795 xi: 
Pterygometopus Sp. UNGEt............c0+seceecees Zi; 22 
callicephalus (H.)........ 22, 24, 
25, 27, 28, 29, 30, 31, 32, 
33, 34, 35, 36, 38, 41, 42, 
44, 45, 47, 206, XV. 
INDEX. 
Pterygometopus intermedius Wale.............19, 
20, 208, XV. 
Ptilodictya sp. UNEt.....0000. 0002 cccvecouunassssemrd! 
frondosa n. sp.....64, 68, 224, XIX. 
lobata 1. SP.....cceee 82, 272, XXVI. 
Ptychoparia sp. undet........ ........12, 118, III. 
Ptychoparia ? sp. undet............+ Boren: 118, III. 
Ptychoparia blairi n. Sp.......-. sees. 13, 116, I. 
calcifera Wale. ?..........13, 117, I. 
newtouensis n. sp.....12, 117, III. 
Ptychopteria ? subquadrata N. sp ........ noses GS) 
244, XXII. 
Ptychopyge jerseyensis Nn. sp.......20, 193, XIV. 
R. 
Rafinesquina alternata (Emm, )......18, 19, 20, 21, 
22, 28, 24, 25, 26, 27, 28, 29, 
30, 31, 32, 33, 34, 35, 36, 38. 39, 
40, 42, 43, 44, 45, 46, 47, 48, 148, IX. 
Raphistoma coJumbiana nN. Sp........ 15, 128, IV. 
peracutum U. &S..20, 180, XII. 
Receptaculites occidentalis Salter.......... 40, 45, 
46, 47, 135, VI. 
Rensselzeria subglobosa D. Sp........ sees. 94, 95, 
96, 329, XLII. 
SUCSSANG ELAM. ciccccccoscarcsssecersencemsmeneere 
Reteograptus geinitzianus Hall..53, 215, XVI. 
Retepora fenesirata Hall..........-. acesccnrstenceene 143 
Reticularia bicostata (Van.)......... .....63, 64, 68, 
69, 71, 239, XXI. 
fimbriata (Con..)........ .103, 369, LI. 
Rhinidictya sp. undet........ 20, 21, 22, 32, 35, 38, 
40, 41, 42, 43, 45, 143, VIII. 
Rhipidomella eminens (Hall)...............- 86, 88, 
304, XXXIV. 
sp. ef. R. musculosa (Hall)..100, 
349 
oblata (Hall1)..86, 87, 88, 89, 90, 92, 
98,304, 350, XXXV., XLVI. 
preoblata n. sp.......69, 232, XX. 
vanuxemi (Hall).....,....s0103, 
104, 368, LI. 
Rhombopteria clathratus nN. sp........ waulees 88, 84, 
291, XXXI. 
clathratus var.......292, XXXI. 
Rhynchonella sp undet..........0-. secee-e-- 79 
“agglomerata ND. SDP........ 63, 64, 65, 
66, 68, 69, 70, 71, 72, 234, X XI. 
altiplicata Hall.......-..... ..83, 84, 
85, 282, XXIX. 
bialveata Hall....94, 327, XLII. 
breviplicuta nD. sp....... ... .-.98, 
350, XLVI. 
deckerensis 0. Sp..... ..63, 64, 65, 
68, 70, 71, 72, 234, XXI. 
formosa Hall.............309, 328 
semiplicata (Con.).......... 82, 84, 
281, XXIX. 
transversa Hall........ sss. 82, 
283, XXIX. 
