380 



m:\v youk state museum 



Oithis (Dalmanella) perelegans, 141% 

 280*, 28 r, 2i)G\ 305% 30G', 307% 

 308% 301)% 309% 309% 321"; 

 figures, 142. 

 planoconvexa, 280% 281% 289% 

 29G% 29G% 305'. 

 plioata, 290\ 



(Schizophoria) propinqua, 295*. 

 (Ortliostrophia ) strophomenoides. 



20G% 297". 

 (Dalmanella) subcarinata, 141%. 

 280% 281% 29G% 310% 321'; 

 figures, 142-. 

 testuclinaria, 286% 

 Orthoceras, 239% 320^ 



sp., 289% 295% 304% 310*, 318% 319'. 



arenosum, 325*. 



carnosum, 327% 



cingiiluni, 327 ^ 



clavatum, 320% 



collatum, 327". 



crotalum, 2G2% 331% 



duramen, 327*. 



erion, 327% 



expansum, 318% 



fluctum, 327% 



fustis, 329«. 



helderbergiae, 151% 320% 323'. 



longicameratum, 320% 



(Actinoceras?) luxum, 188% 327'; 



figures, 187. 

 marcellense, 208% 209% 252% 329'-; 



figures, 210. 

 masculum, 327\ 

 medium, 327^ 

 multicinctum, 327\ 

 oppletum, 327'. 

 pauciseptum, 320% 323'-. 

 pelops, 188% 320"; figure, 187. 

 perstriatum, 320% 32.3^ 

 porvicnx, 327'. 



pravum, 190% 327^ figure, 187. 

 procerus, 327". 

 rarum, 327"^. 

 rude, 320% 323-. 

 stylus, 188% 327-; figure, 187. 

 fiubtextile, 320% 

 subulaiuiii, 207% 329\ 

 tantalus, 327'. 

 tetricum, 327% 



Orthoceras thestor, 329*. 



(Cycloccras ?) Ihoas, 190% 327'; 



figures, 188. 

 vast a tor. 327". 

 vicinus, 329*. 

 zeus, 295% 32G^ 

 Orthonota carinata, 331*. 

 ensiformis, 331*. 

 parvula, 304% 331% 

 umlulata, 223% 270% 271% 272', 

 331% 332'; figures, 224. 

 Orthopora rliombifera, 32V. 

 Ortliostrophia strophomenoides, see 

 Orthis (Ortliostrophia) strophom- 

 enoides. 

 Orthothetes sp., 309'. 

 aretostriatus, 261*. 

 bccraftensis, 299% 300% 305*. 

 chemungensis, 26 P. 



var. aretostriatus, 329% 

 interstriatus, 108% 239% 312% 317% 



318'' ; figure, 109. 

 pandora, 195% 295% 298% 325% 328'; 



figures, 194. 

 woolworthanus, 145% 145% 281% 

 285% 289% 296% 297% aOO% 305% 

 30C% a07% 307% 308% 310% 32P; 

 figures, 143. 

 Ostracods, 307% 310% 311% 

 Oswego sandstone, thickness, ^20^ 

 Overlap of strata, 92^-98% 



Palaeoneilo eonstricta, 265% 284% 

 293% 330% 



emarginata, 261% 330% 332% 



maxima, 261% 293% 3^0% 



perplana, 330% 



plana, 271% 304% 332% 



tcnuistriata, 261% 265% 330% 

 Palaeopinna flabellum, 325\ 

 Palaeosolen siliquoideus, 33 P. 

 Paloiivillo, section of Devonian rooks 



made in, 275'-76*. 

 Paleozoic coastal plain, 336-. 

 Paleschara ? dissimilis, 324*. 

 Panenka dichotoma, 183% 326"; figure, 

 185. 



ventricosa, 329% 

 Panther creek, sections, 268W4*. 



