Page:The Eurypterida of New York Volume 2.pdf/357

Dolichopterus otisius, 88, 149, 261, 270–72, 275, 418, 419, 431
siluriceps, 89, 92, 149, 228, 259, 261, 273–74, 431
stylonuroides, 88, 149, 259, 261, 275, 276–78, 431
testudineus, 89, 92, 149, 261, 274–76, 431
See also Eurypterus
Drepanopterus, 18, 35, 44, 48, 49, 70, 76, 80, 81, 83, 94, 129, 132, 133, 134, 151, 207, 212, 261, 281, 282, 286, 287, 288, 300, 314–16, 318
lobatus, 207
longicaudatus, 87, 91, 151, 287, 316–20
pentlandicus, 207
figure, 315

Eastman, С R., cited, 84
Echinocaris, 18, 311
wrightiana, 311
Echinognathus, 129, 130, 149, 321–22, 328, 329, 384
clevelandi, 16, 21, 86, 98, 149, 287, 300, 321, 322–24, 328, 408, 431
Ectognaths, 51
Eichwald, cited, 171
Embolobranchiata, 137
Emmelezoe, 20
Encrinurus punctatus, 99
Endostoma, 56
Eoscorpioidae, 393
Eoscorpius, 391
Equisetides wrightiana, 311
wrightianus, 18
Erettopterus, 69, 70, 76, 128, 129, 130, 350, 376, 377, 379, 384. 410, 419
See also Pterygotus
Eria, 95
Erie county, 80, 92
Etheridge, R., jr, cited, 217, 221, 434
Eurypterella, 150
ornata, 17, 89, 93, 150
Eurypterida, history of investigations, 13–22; relationship with Limulus, 14, 18, 19, 135; morphology, anatomy and terminology, 23–71; diagram of, 24; mode of life, 71–85; geological distribution and bionomic relations, 85–113, 431; biologic facies, 90–94; ontogeny, 113–23; phylogeny, 124–35; taxonomic relations, 135–49; resemblance to scorpions, 141; relationship to Crustacea, 148; possible ancestors of the earliest vertebrates, 149; synoptic table, 149–52; systematic account, 152–410; suborder Limulava, 406, 407
Eurypteridae, 130, 149, 152
Eurypterus, 17, 18, 20, 21, 23, 29, 30, 31, 32, 33, 34, 35, 36, 40, 41, 42, 43, 44, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 65, 66, 67, 68, 69, 70, 76, 77, 78, 79, 80, 81, 90, 91, 94, 95, 100, 101, 105, 106, 113, 117, 119, 120, 124, 125, 126, 127, 128, 129, 132, 143, 149, 155–61, 181, 182, 183, 192, 198, 199, 200, 204, 207, 209, 212, 214, 215, 217, 219, 221, 222, 227, 232, 233, 239, 240, 259, 260, 261, 265, 272, 285, 286, 288, 299, 300, 316, 322, 329, 330, 331, 332, 333, 334, 339, 340, 349, 363, 366, 384, 401, 404, 405
figures, 58, 62, 403
sp., 87
acrocephalus, 230
approximatus, 18, 90, 94, 149, 155, 161, 195–96, 221, 222, 431
figure, 222
beecheri, 17, 310
(Tylopterus) boylei, 17, 87, 98, 150, 155, 158, 159, 161, 216, 218, 431
figure, 217
brewsteri, 158, 195
cestrotus, 288