382 



NEW YORK STATE MUSEUM 



Pleurotomaria sulcomarginata, 22 1 9 , 

 33 1 6 ; figures. 219. 



trilex, 331°. 

 Pocono beds, 235 3 . 

 Poleumita cf. crenulata, 318 3 . 

 Polypora lilaea, 32 4 4 . 

 Port Ewen limestones, 252 7 , 255 s , 258 s , 



300% 306 1 . 

 Portage beds. 235*. 

 Portage time, paleogeographic map, 



234. 



Portland cement industry, 354 7 . 

 Productella dumosa, 265 6 , 330 1 . 



navicella, 328*. 

 Proetus sp., 307 5 , 318 T . 



angustifrons, 327^. 



clarus, 206\ 329 3 ; figure, 205. 



conradi, 32T 9 . 



crassimarginatus, 192 2 , 327 9 ; fig- 

 ures, 192. 

 folliceps, 2 06 1 , 329 2 ; figure, 205. 

 hesione, 327 9 . 



protuberans, 308 3 , 310 3 , 32 1 2 . 

 rowi, 33 1 9 . 

 Prosser, Charles S., cited, 83 s , 84 1 , 

 85 2 , 100 9 , 127 9 , 207 7 , 213 9 , 223 9 , 225 2 , 

 225 9 , 2 36 3 , 23G 9 , 255 2 , 255\ 255", 

 267 6 , 279*, 288 9 , 29 9 , 302 9 , 3 03 s , 

 317 3 . 



Prothyris lanceolata. 272*. 33 1 3 . 

 Protomya elongata, 33 1 3 . 

 Pterinea aequiradiata, 322 3 . 



bellula, 322 6 . 



communis, 297°, 322 3 . 



flabellnm, 22 1 2 , 2G2 2 , 2G5 3 , 266', 

 272°, 293 1 , 330*; figures, 219. 



gebhardi, 162 9 ; figure, 1GG. 



pauciradiata, 322 3 . 



schohariae, 32 2 5 . 



securiformis, 108 9 , 2 3 9 3 , 3 1 8 2 , 3 1 9', 



322°. 

 subplana, 318 2 . 

 subrecta, 318 2 . 

 tenuilamellata, 322"'. 

 textilis, 250 1 , 3 1 9 9 , 32 2°. 



var. arenaria, 1G2 9 ; figure, 165. 

 Pterinopecten proteus, 299°. 

 undosus, 2G2 3 . 330*. 

 vertumnus, 330*. 



Pteroceras ? eugenium. 190 9 , 327°. 

 Ptilodictya nebulosa, 297 s . 

 Ptiloporina pinnata, 32 8 3 . 

 sinistralis, 325 7 . 



Red conglomerate sandstone, 303 1 . 

 Rensselaeria aequiradiata, 307 2 , 323 7 . 



elliptica, 322 3 . 



mutabilis, 307 6 . 



oroides, 162 s , 280 9 , 288 7 , 299 6 , 305% 

 324 s ; figures, 164. 

 Reticulata fimhriata, 326 3 , 328 3 . 

 Rhipidomella sp., 309*. 



alsa, 1ST, 295% 325 s ; figures, 181. 



assimilis, 323 6 . 



discus, 296 4 . 



eminens, 32 1 7 . 



mitis, 325 s . 



musculosa, 162 1 , 281 1 , 2 8 8 7 , 3 05 2 , 



324 6 ; figures, 160. 

 oblata. see Orthis (Rhipidomella) 



oblata. 



peldris, see Orthis (Rhipidomella) 

 peloris. 



Rhizoceras eugenium, see Cyrtoceras 



(Rhizoceras) eugenium. 

 Rhynchonella (Uncinulus) campbel- 

 lanus, 155 9 , 28 1 9 , 289 2 , 300°, 306*, 

 307 2 , 307 7 , 323 7 ; figures, 156. 

 congregata, 292 s . 

 formosa, 297 1 . 

 lamellata, 318°. 



(Uncinulus) nobilis, 155 9 , 289 2 , 

 307 2 , 323 7 ; figures, 156. 

 nucleolatus, 145 9 , 281 s , 296 9 , 308 9 , 

 309*. 309 6 , 322 1 ; figures, 144. 



semiplicata, 297 7 . 



transversa, 289 9 . 



(Uncinulus) vellicatus, 145 9 , 280*, 

 281 s , 285 7 , 289 s , 29 6 9 , 307 9 , 322 1 ; 

 figures, 146. 

 Rhynchospira sp., 310 1 . 

 excavata„ 30 1 9 . 

 globosa, 309 3 , 310 1 . 

 Richmond shales, 122 7 . 

 Ries. Ileinrich, cited, 84 s , 172 s , 354 9 , 

 355 9 . 



Rochester shale, thickness. 120 7 . 



