INDEX. 



257 





PAGE 





PAGE 



Mytilus 



. 158 



Pleuiotomaria Linkiana 



. 217 



— septifer 



. 161 



— nodulosa . 



. 216 



— squamosus 



. 159 



— Tunstallensis . 



. 216 



Natica 



. 212 



Pleurotomariidee 



. 213 



— Leibnitziana 



. 212 



Productidas .... 



. 86 







Productus .... 



. 86 



— minima 



. 212 







Naticidae 



. 212 



— (internal structure of) 



. 77 



Nautilidae 



. 218 



— (muscular system of) 



. 75 



Nautilus 



. 219 



— horridus .... 



. 87 



— Bowerbankianus . 



. 220 



— umbonillatus . 



. 92 



— Freieslebeni . 



. 219 



Polyccelia .... 



. 22 



Neuropteris 



5 



Polyparia .... 



. 20 



— Huttoniana . 



6 



Polyplaxiphoria 



. 201 



Nucula . . . . 



. 175 



Polypodiaceas .... 



5 



— Tateiana 



. 175 



Polysiphonia .... 



3 



Nuculidae 



. 174 



— (.') Stembergiana 



3 







Psammobia .... 



. 199 



Nudibrachiata 



21 











— (.') subpapyiacea . 



. 200 



Orbicula . . 



. 84 



Psammobiidae 



. 199 



Orthis 



. 105 



Pycnodontidae .... 



. 227 



Orthisina 



. 105 



Pygope ... 



. 144 



Ostracada 



. 60 



Pygopterus .... 



. 232 







— latus 



. 233 



Palaeoniscus 



. 222 



— mandibularis 



. 232 



— catopterus 



. 226 







— comtus 



. 223 



Radiata ..... 



. 20 



— elegans 



. 223 



Reptilia ..... 



236 



— glaphyrus 



. 224 



Retzia .... 



. 137 



— longissimus 



. 225 



Rhynchora .... 



. 141 



— macropthalmus 



. 225 



Rhynchoridae . . .14 



1, 244 



Palaeosaurus 



. 239 



Rhynconella .... 



111 



— cylindrodon . 



. 240 



Rissoa .... 



207 



— platyodon 



. 239 



— Gibsoni .... 



209 



Palliobranchiata 



. 67 



— Leighi .... 



. 208 



— (apophysary system of) 



. 69 



— obtusa .... 



207 



— (branchial system of) 



• . • 77 





* 



— (classification of) 



. 81,244 



Sarcicobrachia 



. 83 



— (dental system of . 



. 67 



Sauroidei .... 



232 



— (histology of) 9 



1, 110, 117, 124, 244 



Schizodus .... 



185 



— (muscular system of) 



. 73 



— obscurus .... 



189 



Pecten . . . . 



. 152 



— rotundatus 



190 



— pusUlus 



. 153 



— Schlotheimi 



191 



Pectenidae 



. 152 



— truncatus 



193 



Pentamerus 



68, 117 



Schizophoria .... 



106 



Petraia . . . . 



. 23 



Sclerobrachia 



110 



— profunda 



. 24 



Scyphia ..... 



12 



Pholadomyidae 



195 



— tuberculata . . . . 



12 



Phyllopa 



. 64 



Serpula(?) pusilla . . . . . 



57 



Phyllopora 



. 40 



Sigillarales . . . . . 



9 



— Ehrenbergi . 



. 43 



Sigillaria . . . . . 1 



), 243 



Pisces .... 



. 221 



- (•') 



10 



Placoidei 



. 221 



Sigillariaceae . . . . . 



9 



Platysomus 



. 227 



Solemyidae . . . .17 



7,246 



— macrurus 



. 227 



Solemya . . . .17 



r, 247 



— striatus . 



. 231 



— biarmica . . . . 



178 



Platystrophia . 



. 106 



— Phillipsiana . . . . 



179 



Pleurophorus 



. 180 



Spirifer . . . . . . 



125 



— costatus 



. 181 



Spiriferidae . . . . . 



122 



Pleurotomaria 



. 213 



— (apophysary system of) . 69, 125 



J, 245 



— antrina 



. 215 



— (histology of) ... 



124 



/lA 



