258 



INDEXICAL LIST OF FOSSILS. 



Platycrinus gorbyi, 1, 187. 



Syn. Platycrinus discoideus. 

 Platycrinus halli, I, 201. 

 Platycrinus inornatus, I, 200. 



Syn. Platycrinus burlingtonensis 

 Platycrinus lautus, 1, 200. 

 Platycrinus multibrachiatus, 1,197. 



Syn. Platycrinus discoideus. 

 Platycrinus occidentalis, I, 197. 



Syn. Platycrinus subspinosus. 

 Platycrinus ollicula, I, 195. 

 Platycrinus pontagonus, 1, 225. 



Doubtful. 



Platycrinus pileiformis, I, 198. 

 Platycrinus planus, I, 198. 

 Platycrinus pleurovirninus, I, 202. 

 Platycrinus praenuntlus, I, 198. 

 Platycrinus pratteni, I, 198. 

 Platycrinus pulchellus, I, 197. 



Syn. Platycrinus discoideus. 

 Platycrinus rotund us, I, 200. 



Syn. Platycrinus sculptus. 

 Platycrinus saffordi, I, 202. 

 Platycrinus sampsoni, I, 199. 

 Platycrinus sarse, I, 202. 

 Platycrinus sculptus. I, 200. 

 Platycrinus subspinosus, 1, 197. 

 Platycrinus sulcatus, I, 198. 



Syn. Platycrinus praenuntius. 

 Platycrinus truncatus, L, 199. 



Syn. Platycrinus americanus. 

 Platynatus boltoni, I, 226. 



Syn. Lichas boltoni. 

 Platyostoma broadheadi, II, 174. 



Syn. Capulus haliotoides. 

 Platyostoma nana, II, 196. 



Syn. Strophostylus nana. 

 Platyostoma peoriense, II, 197. 



Syn. Strophostylus peoriensis. 

 Platystrophia acutilirata, II, 66. 

 Platystrophia lynx, II, 64. 

 Plectambonites rhomboidalis, 11,70. 

 Pleurophorous oblongus, II, 125. 

 Pleurophorous pallasi, II, 125. 



Syn. Pleurophorus oblongus. 

 Pleurotomaria bicarinata, 11,135. 



Syn. Pleurotomaria turbinifor- 



mis. 

 Pleurotomaria bilix, II, 154. 



Syn. Cycloinena bilix. 



Pleurotomaria brazoensis, II, 143. 

 Pleurotomaria broadheadi, IE, 144. 

 Pleurotomaria coniformis, II, 138. 

 Pleurotomaria conoides, II, 138. 



Syn. Pleurotomaria coniformis. 

 Pleurotomaria coronula, II, 141. 



Syn. Pleurotomaria spbaerulata. 

 Pleurotomaria coxana, II, 136. 

 Pleurotomaria depressa, II, 139. 



Syn. PJeurotomaria illinoisensis. 

 Pleurotomaria gray villensis, IT, 141. 

 Pleurotomaria harii, II, 138. 



Syn. Pleurotomaria carbonaria. 

 Pleurotomaria illinoisensis, II, 139. 

 Pleurotomaria kentuckensis, II, 139 



Syn. Pleurotomaria illinoisensis. 

 Pleurotomaria lenticularis, II, 163. 



Syn. Raphistoma lenticularis. 

 Pleurotomaria lens, II, 134. 

 Pleurotomaria missouriensis, II, 136 

 Pleurotomaria modesta, II, 139. 



Syn. Pleurotomaria illinoisensis. 

 Pleurotomaria monilifera, II, 144. 

 PJeurotomaria montezuma, II, 134. 

 Pleurotomaria perhumerosa, II, 140 

 Pleurotomaria sedaliensis, II, 134. 

 Pleurotomaria speciosa, II, 137. 

 Pleurotomaria spbasrulata, H, 141. 

 Pleurotomaria subcarbonaria, II, 



135. 



Pleurotomaria subscalaris, II, 136. 

 Pleurotomaria tabulata, II, 142. 

 Pleurotomaria turbiniformis, II, 



135. 

 Pleurotomaria umbilicata, II, 155. 



Syn. Trochonema umbilicata. 

 Pleurotomaria valvatiformis, II, 137 

 Plicatula striatocostata, II, 68. 



Syn. Meekella striatocostata. 

 Plysonemus parvulus, II, 237. 

 Po3cilodus sancti-ludovici, II, 235. 

 Polyphemopsis bulimiformis,!!, 204. 



Syn. Bulimorpha bulimiformis. 

 Polyphemopsis inornata, II, 205. 



Syn. Bulimorpha inornata. 

 Polyphemopsis peracuta, II, 205. 



Syn. Fulima peracuta. 

 Polypora biseriata, IT, 29. 

 Polypora cestriensis, II, 29. 

 Polypora corticosa, II, 30. 



