INDEX TO GRAPTOLITES OF M-.W YoUK, PART 2 



579 



Orthograptus quadrimucronatus, 341, 385, 

 380. 389. 

 See also Glossograptus quadrimucro- 

 natus. 



Orton, Edward, mentioned, 203. 



( istrogothia, 423. 



Otisville, 3~. 



( iitaw a river, 4_'. 43, 387. 



Ouachita mountains, 24. 



Oxtungo creek, 35, 327, 332, 391. 



Palaeodictyota, 67, 127, 132, 198-200, 

 facing p. 66. 

 anastomotica, 52, 55, 127, 132, 158, 194, 

 199, 200-2, 203. 

 explanation of plate, 500. 

 figures, 204. 

 bella, 52, 55, 127, 132, 203-4. 

 explanation of plate, 494. 

 figures, 204. 

 unit, recta, 52, 53, 127, 132, 204. 

 explanation of plates, 500, 503. 

 clintonensis, 52, 53, 127, 132, 155, 202, 

 203. 

 explanation of plates, 500, 502-3, 504. 

 figure, 203. 

 ramulosa, 200. 

 Palmer's Glen, 161, 452. 

 Panton, Vt., t,/, 44, 241, 398. 

 Parker's ledge, 356, 358. 

 Parrottsville, Tenn., 19, 316, 359. 

 Pennsylvania, 43, 46. 

 Penobscot bay, Maine, 455. 

 Perkins, G. H., cited, 38, 44, 143, 144. 

 Perner, cited, 73, j6, 423, 446, 453 ; men- 

 tioned, 424. 

 Phycograptus, 128, 139, 216, 244-46. 

 brachymera, 139, 244, 245, 246. 



figure. 245. 

 junciformis, 246. 

 laevis, 139, 245, 246. 

 Phyllograptus, 9, 67, 68, 136, facing p. 66. 



Phyllograptus angustifolius, 130, 430. 



anna, [36, 384, 401. 

 Z( »ne, lacing p. 9. 

 iitul. ultimus, 7^, jy. 

 cambrensis, 136. 

 See also Echinograptus (Phyllo- 

 graptus ) ? cambrensis. 

 ? dubius, -,(>, 136. 

 ilicifolius, 136. 

 loringi, 136. 

 similis, 136. 

 simplex, 136, 356, 357. 

 typus, 136, 430. 

 zone, facing p. 9. 

 Phylogeny, notes on, 107-26. 

 Pittston Corners. 16. 

 Plates, explanation of, 489-557. 

 Pleurograptus, 67, 68, 69, 107, 109, 128, 

 136, 260, 268, facing p. 66. 

 divergens, see Coenograptus ( ? Pleuro- 

 graptus ? Pterograptus) divergens. 

 linearis, 32, 33, 36, 41, 49, 128, 136. 269, 

 272. 

 explanation of plate, 518. 

 figure, 269. 



zone, 36, 42, 270, facing p. 9. 

 var. simplex, 269. 

 Pocta, P., cited, 142, 147, 157, 183, 186, 



194, 202. 

 Poesten kill, 16, 308. 

 Point Levis, 272, 446, 485. 

 Pomatograptus, 450. 

 Posidonomya shales, 65. 

 Poughkeepsie, 19. 



Pratt's Ferry, Ala., 11-12, 311, 314, 352. 

 Prindle, cited, 13. 

 Prionotus Sagittarius, 248. 



scalaris, 421, 424. 

 Pristiograptus, 450. 

 Protograptus, 136. 



alatus, 136. 

 Protovirgularia, 128, 139. 



