INDEX OF GENERA AND SPECIES. 



305 



Page. 



Nnculana bisiilcata 47, 98, 263 



comprcssifrons 268 



compsa 220 



cultelliformis 220 



?curta 44 



decisa 311 



« equilateralis 98 



jnclara 1 4«, 1 GO 



lODfrifrons 47 



iuaj,'na 220 



media 220 



obesa 147, 163 



oregona 49, 220 



ovula 220 



parva 220 



penita ^ 49 



pinnaiformia 47, 268 



plana 220 



plicata 220 



protexta 47,267 



pulclierrima 220 



semen 220 



slackiana 47 



su\)angulata 47 



subequilatera 360, 263 



subuasuta 98 



■willainettensis 49 



» uculunidaj 32, 260 



Niiculan iuiB 82, 33 



N\icul:nia 268, 271 



pap yria 268 



secunda 371 



Nuculidffi 98,267,271 



Nnculites 235 



triangulus 3S5 



Nullipora ? obtexta 119 



Nummulitea 209 



arbiensis 309 



Horidana 220 



mantelli 222 



Nyassa 194 



parva 194 



O. 



Obeliscua melanellus ; 221 



pygmfBus 221 



striatus 221 



Obolella 27,31,189,190,198,233,261 



? 198 



1 ambigua 1 90 



chromatica 199 



discoidea 189,333 



nana 37,31,261 



polita 261 



transver.sa 198 



'UbolidKi 261 



•Obolua 56,259,261 



pectenoides 359 



? pectenoides 261 



(Trimerella) conradi 56 



Obovaiia 105 



? Odontobasia 103, 137, 141 , 162 



buccinoidea 137 



bnccinoidea 162 



constricta 103 



120— Bull. 30 20 



Page. 



? Odontobiiai.s formosa 141, 162 



Odontoeephalua 58 



Odou to])teris 149 



subcuueata 149 



Ogygia :..190,234 



parabola 334 



? problematia 190 



producta 334 



? spinoaa 190 



Olcunllus 126, 129, 189 



gilberti 126,129,189 



howelli 129,189 



iddingsi 1 89 



powelli 126 



Oleuus (Olenellus) gilberti 88 



howeUi 88 



Oligoporua 35,43,54,83 



coreyi 64 



dana' 43,60 



nobilus 54,83 



Oligoptych 101 



Oliva ancillariaeforniis 50 



pbillipsli 222 



Olivefla ancillaiiformia 50 



Olivula ? plicata 222 



puiictulifera 222 



Ollacrinu.s 42 



Oiuala 100 



Oiupbiscola 106 



Ony chaster 6 1 ,63, 83 



barrisi 83 



flexilis , 61 



flexilua 83 



Onycbocrinus 40, 43, 60, 84, 154 



di veraus 40,60 



excnlptua 83, 154 



monroensis 43 



norwoodi 43 



lamulosus 154 



-whitfieldi 84 



Operculatum plauulatum 222 



Oiiiphalotioclius 30 



Opbileta / 55, 108 



complanata var. nana 108 



owenana 55 



Ophioderma 158 



? bridgerensia 158 



Opbiuroidea 78 



Opis 208,209 



equalia 309 



undatua 308 



Orbicnla 207,209,210 



? 210 



lugubria 49 



multilineata 49 



prima 350 



aubobliqua 307 



? syriaca 309 



Orblculoidea 72,89 



? 72 



Orbilolites diacoidea 220 



interatitia 220 



(Orbitoidea) mantelli 222 



Orbitiilites? reticulata 347,248 



texanus 47 



