Page:The Eurypterida of New York Volume 2.pdf/362

Old Red sandstones, 110
Olenellus, 128
Oneida county, 86, 89
Onondaga county, 89
Ontario, 87, 92
Ontogeny, 113–23
Onychopterus, 133, 150, 159, 212
kokomoensis, 91
See also Eurypterus
Orange county, 6, 87, 105
Orbiculoidea, 99, 111
Oriskany creek, 421
Orthis clegantula, 100
Orthoceras, 99
Orthothetes interstriata, 180
Osborn, A. O., mentioned, 387
Ostracophora, 84
Otisville, 6, 49, 83, 84, 87, 104, 113, 124, 132, 168, 169, 417
Otisville basin, 8
Otsego county, 89
Owen, R., cited, 33, 72, 433

Packard, A. S., cited, 40, 120, 136, 433, 434, 435
Paedeumias, 128
Page, D., cited, 278, 432
Palaeophonoidae, 393
Palaeophonus, 141, 142, 143, 147, 387, 394, 396, 398, 399, 400
hunteri, 142, 143, 397
figure, 395
loudonensis, 397
nuncius, 143, 147, 301, 394, 397, 400
figures, 142, 395, 399
osborni, 387
Paradoxides, 122
Parker, G. H., cited, 41
Patten, W., cited, 35, 54, 82, 85, 86, 149, 436, 437, 438, 439
Paulmier, cited, 75
Peach, B. N., cited, 143, 314, 397, 434, 439
Pedipalpi, 141, 142
Penhallow, D. P., cited, 113, 436
Pennsylvania, 87, 88, 89, 90, 94, 95, 111
Peter Redpath Museum, acknowledgments to, 8
Phacops rana, 39
Phrynus, 66
Phyllocardia (Echinocaris), 311
Phylogeny of eurypterids, 124–35
Pitt, W. H., cited, 15, 91, 228, 349, 359, 362, 372, 434
Pittsford, 6, 105; section in old Erie canal, 102
Pittsford pool, 9
Pittsford shale, 20, 87, 91, 102, 106, 110, 161, 421
Pittsford-Shawangunk, 93
Plates, explanations of, 441–616
Platyonichus ocellatus, 51, 71, 75
oculosus, 72
Plectatnbonites sericeus, 325
Pocock, R. T., cited, 57, 142, 143, 388, 390, 394, 397, 398, 399, 438
Podolia, 95, 97
Poecilopoda, 147
Pohlman, Julius, cited, 16, 91, 108, 201, 202, 227, 349, 359, 360, 363, 379, 434, 435
Pores of doublures, 29
Portage beds, 18, 19, 89, 94
Portugal, 96
Portunidae, 75
Portunus, 75
Postabdomen, 68–71
Postoral appendages, 48
Potonié, cited, 111
Potosi limestone, 90
Potsdam rocks, 85
Proscorpionini, 388, 393
Proscorpius, 387, 394, 396, 398, 399
osborni, 143, 387–400
figures, 389
Prothelyphonus bohemicus, 142