INDEXIGAL LIST OF FOSSILS. 



259 



Polyporagracilis, II, 28. 

 Polypora halliana, II. 28. 

 Polypora maccoyana, II, 28. 

 Polypora marginata, II, 30. 



Syn. Polypora submarginata. 

 Polypora radialis, II, 29. 

 Polypora retrosa, II, 29. 

 Polypora simulatrix, II, 28. 

 Polypora spininodata, 1L, 29. 

 Polypora spinulifera, IE, 30. 

 Polypora submarginata, II, 30. 

 Polypora tuberculata, II, 30. 

 Polypora varsoviensis, II, 29. 

 Polyrhizodus amplus, II, 232. 

 Polyrhizodus littoni, II, 232. 

 Poljphizodus williamsi, II, 232. 

 Porcellia nodosa, II, 154. 

 Poteriocrinus agnatus, I, 211. 



Syn. Poteriocrinus brittsi. 

 Poteriocrinus brittsi, I, 211. 

 Poteriocrinus carbonarius, I, 219. 



Syn. Phialocrinus carbonarius. 

 Poteriocrinus enormis, I, 208. 



Syn. Cyathocrinus enormis. 

 Poteriocrinus hemisphericus, I, 

 220. 



Syn. Ceriocrinus hemisphericus. 

 Poteriocrinus longidactylus, I, 211. 



Syn. Scaphiocrinus missouriensis 

 Poteriocrinus maniformis, I, 217. 



Syn. Eupachycrinus maniformis. 

 Poteriocrinus meekianus, I, 211. 



Syn. Barycrinus meekianus. 

 Poteriocrinus missouriensis, I, 211. 



Syn. Scaphiocrinus missourien- 

 sis. 

 Poteriocrinus proboscidlalis, I, 212. 



Syn. Scaphiocrinus proboscidi- 

 an's . 

 Poteriocrinus rhombiferus, I, 210. 



Syn. Barycrinus rhombiferus. 

 Poteriocrinus rugosns, I, 225. 



Doubtful. 

 Poteriocrinus rusticellus, I. 212. 



Syn. Scaphiocrinus rusticellus. 

 Poteriocrinus vanhornei, I, 213. 



Syn. Scyalocrinus vanhornei. 

 Prismopora trifolia, II, 18. 

 Producta costata, II, 51. 



Syn. Productus costatus. 



Producta incurvata, II, 67. 



Syn. Streptorhynchus crenistria. 

 Productella pyxidata, II, 52. 

 Productella subalata, II, 52. 

 Productus sequicostatus, II, 47. 



Syn. Productus cora. 

 Productup altonensis, II, 43. 

 Productus americanus, II, 44. 

 Productus arcuatus, II, 40. 

 Productus asper, II, 48. 



Syn. Productus nebrascensis. 

 Productus biseriatus, II, 43. 

 Productus blairi, II, 106. 



Doubtful. 



Productus burlingtonensis, II, 41. 

 Productus calhounianus, II, 50. 



Syn. Productus semireticulatus. 

 Productus callawayensis, II, 106. 



Doubtful. 



Productus cestriensis, II, 44. 

 Productus cooperensis, II, 40. 



;Syn. Productus acuatus. 

 Productus cora, II, 47. 

 Productus coraefornais , II, 41. 



Syn. Productus laevicostus. 

 Productus costatoides, II, 45. 



Syn. Prociuctus longispinus. 

 Productus costatus, II, 51. 

 Productus elegans, II, 44. 



Syn. Productus cestriensis. 

 Productus flemingi, II, 47, 

 Productus flemingi, var. burling- 

 tonensis, II, 41. 



Syn. Productus burlingtonensis. 

 Productus gradatus, II, 43. 



Syn. Productus vittatus. 

 Productus hildiethianus, II, 47. 



Syn. Productus cora. 

 Productus horridus, II, 45. 



Syn. Productus longispinus. 

 Productus koninckianus II, 47. 



Syn. Productus cora. 

 Productus paevicostus, 11,41. 

 Productus longispinus, II, 45. 

 Productus magnicostatus, II, 40. 



Spn. Productus semireticulatus. 

 Productus magnus II, 41. 

 Productus marginicintus, II, 43. 

 Productus mesialis, II, 41. 



Syn. Prcductus burlingtonensis. 



