Page:The Eurypterida of New York Volume 2.pdf/363

Protichnites, 85
Protolimulus eriensis, 140
figure, 140
Pseudoniscus, 20, 112
Pteraspis, 84, 357
(Palaeaspis) americana, 97
Pterichthys, 82
Pterinea, 99
subplana, 99
Pterygotidae, 129, 151, 329; fragments,
figures, 417
Pterygotus, 14, 15, 17, 18, 20, 21, 23, 26, 27, 29, 31, 35, 36, 44, 50, 51, 55, 58, 59, 60, 61, 63, 64, 65, 67, 69, 70, 71, 76, 77, 82, 83, 88, 90, 91, 93, 95, 113, 114, 116, 117, 120, 124, 125, 126, 127, 128, 129, 130, 135, 142, 151, 157, 173, 202, 204, 233, 234, 243, 260, 261, 265, 272, 275, 284, 300, 314, 321, 329, 330, 331, 332, 333, 334, 339, 348–50, 357, 359, 366, 372, 374, 375, 376, 377, 379, 381, 383, 384, 401, 406, 419, 429; homology of lateral eye in, 36; morphology and formation of the chelicerae, 44; disjecta membra from the Frankfort shale, 383
sp., 89, 356, 358, 380
acuticaudatus, 16, 358, 359, 360, 362
anglicus, 46, 61, 63, 71, 95, 127, 204, 333, 348, 352, 356, 358, 364, 370, 372, 373, 383
figure, 348
atlanticus, 89, 151, 350, 356–58, 431
(Erettopterus) banksii, 330, 331, 376, 379, 381
barrandei, 373
figure, 373
(Erettopterus) bilobus, 16, 36, 46, 61, 63, 331, 333, 348, 350, 358, 360, 362, 364, 373, 376, 380
figure, 361
Pterygotus bohemicus, 373
buflaloensis, 16, 29, 30, 36, 38, 44, 46, 56, 89, 92, 117, 118, 151, 202, 204, 233, 241, 349, 353, 354, 358–71, 372, 373, 429, 430, 431
figures, 360, 366
chelicera, 385
cobbi, 15, 89, 92, 151, 349, 353, 359, 362, 364, 370, 371–74, 380, 381, 431
var. juvenis, 429–30, 431
figures, 429, 430
cummingsi, 15, 358, 359, 362, 371, 372
figure, 360
globicaudatus, 16, 201, 202, 204, 205, 359
figures, 202, 203
(Erettopterus) globiceps, 88, 115, 117, 123, 151, 349, 350, 374–78, 418, 419, 431
grandis, 89, 92, 151, 349, 350, 379–80, 431
ludensis, 113
macrocephalus, 359
macrophthalmus, 15, 36, 44, 46, 56, 89, 92, 114, 115, 117, 152, 333, 349, 350–56, 358, 362, 363, 364, 370, 371, 372, 373, 376, 380, 381, 429, 430, 431
minor, 406
monroensis, 20, 87, 152, 349, 380–81, 431
(Eusarcus) nasutus, 22, 86, 152, 349, 382, 412, 414, 416, 431
figures, 416
normanskillensis, 416–17, 431
figure, 416
osborni, 15, 331, 349, 350, 353, 354, 355, 359
osiliensis, 17, 46, 63, 64, 262, 333, 348, 352, 353, 356, 364, 366
otisius, 270
prolificus, 22, 86, 152, 349, 382–83, 384, 431