246 



NEW YORK STATE MUSEUM 



Platyceras; cf. gebhardi, 148. 



hebes, 63, 89, 101-2, 127. 



explanation of plates, 191, 211. 



kahlebergensis, 102, 127. 

 explanation of plate, 212. 



lamellosum, 148. 



leboutillieri, 101, 127. 



explanation of plate, 212. 



nodosum, 148. 



platystoma, 148. 



reflexum, 148. 



retrorsum, 24. 



subnodosum, 148. 



Platyostoma ventricosum, 57, 68, 148. 

 Plectonotus derbyi, 64, 65, 69, 89, 98-99, 



127. 

 explanation of plates, 191, 214. 



salteri, 99. 



Pleurodictyum lenticulare, 134, 152. 

 Pleurotomaria, 9. 



capillaria, 138. 



haedillus, 138-39, 148. 

 explanation of plate, 231. 



kleini, 100. 

 Plumulites, 147. 

 Poleumita, 89. 



sp., 58, 69. 

 Polypora sp., 152. 



cf. celsipora, 126, 128. 



separata, 152. 



Polyporella cf. compressa, 152. 

 Port Daniel limestones, 9. 

 Port Ewen beds, 130-31; fauna, 6, 132-34. 

 Port Jervis limestone, 135. 

 Presque Isle stream, 77, 92, 94, 95, 97, 98, 



99, 100, 101, 103, 104, 105, 106, 107, 109, 



no, in, 112, 117, 126, 127-28. 

 Proetus sp., 13, 19. 



explanation of plate, 168. 



conradi, 19, 147. 



phocion, 19. 

 Prosocoelus, 75. 



ellipticus, 75. 



Prosocoelus orbicularis, 75. 



explanation of plate, 198. 

 pes-anseris var. occidentalis, 58, 73, 89. 



explanation of plate, 198. 

 Pterinea, 72, 106, 148. 

 sp., 64, 104, 127, 140. 



explanation of plates, 172, 192, 214, 



215- 

 brisa, 104, 127. 



explanation of plate, 216. 

 brisa var. vexillum, 14, 28. 



explanation of plate, 172. 

 chapmani, 103, 127. 



explanation of plate, 216. 

 costata, 26. 

 edmundi, 28, 103-4, I2 7- 



explanation of plate, 214. 

 edmundi var. subrecta, 104, 127. 



explanation of plate, 214. 

 cf. fasciculata, 102-3, 127. 



explanation of plate, 216. 

 fasciculata var. occidentalis, 13, 27. 



explanation of plate, 174. 

 follmanni, 73, 106. 

 (Pteronitella?) incurvata, 13, 28. 



explanation of plate, 172. 

 intercostata, 13, 26, 29. 



explanation of plate, 172. 

 laevis, 73, 104. 

 mainensis, 62, 63, 71, 89. 



explanation of plate, 194. 

 moneris, 63, 64, 73, 89. 



explanation of plate, 192. 

 cf. pseudolaevis, 13, 26, 27. 



explanation of plate, 172. 

 radialis, 64, 65, 72, 89, 103, 127. 



explanation of plates, 192, 194, 214. 

 radialis var., 65. 

 retroflexa, 27. 

 Pterinopecten aroostooki, 105, 127. 



explanation of plate, 214. 

 denysi, 13, 25. 



explanation of plate, 172. 



