INDEX TO EURYPTERIDA OF NEW YORK 
Eurypterus stevensoni, 217 
figure, 221 
stylus, 90, 150, 155, 161, 221, 425 
Eurysoma, 18, 228 
newlini, 228, 245 
figure, 246 
Eusarcus, 18, 20, 21, 23, 28, 30, 31, 35, 40, 
41, 42, 43, 44, 50, 51, 55, 58, 59, 64, 67, 
68, 70, 76, 77, 78, 90, 94, 116, 120, 126, 
127, 128, 129, 135, 150, 226-33, 257, 
260, 329, 384, 399, 400, 402, 420 
acrocephalus, 231 
cicerops, 87, 115, 116, 123, 150, 253-57; 
424, 431 
giganteus, 231 
grandis, 15, 233 
ingens, 231, 247, 249, 252 
linguatus, 413-14, 416, 425, 431 
figure, 414 
longiceps, 22, 86, 150, 231, 257, 431 
nasutus, 424 
newlini, 69, 87, 150, 231, 245-53, 431 
table of measurements, 252 
obesus, 231, 232 
figure, 230 
punctatus, 231 
figure, 230 
raniceps, 231 
scorpioides, 230, 231, 232, 399 
scorpionis, 15, 16, 26, 44, 89, 92, I14, 
II5, 116, 150, 226, 228, 230, 231, 
233-44, 248, 249, 251, 253, 258, 273, 
300, 372, 399, 420, 421, 425, 431 
figures, 237, 238, 239, 240, 241 
table of measurements, 243 
scoticus, 231, 321 
+ simonsoni, 231 
triangulatus, 22, 86, 150, 231, 258, 431 
vaningeni, 414, 420-25,. 431 
figures, 422, 423 
See also Pterygotus 
621 
Explanation of plates, 441-616 
Eyes, 35 
Fletcher, cited, 357 
Foerste, August F., acknowledgments to, 
8; cited, 324; description of Megalo- 
graptus welchi, 325-29 
Fowler, H. W., cited, 74, 439 
Fraipont, J., cited, 436 
Frankfort shale, 6, 10, 21, 86, 90, 93, 98, 
99, 100, 120, 132, 160, 231 
Frech, cited, I1I 
Fritsch, Anton, cited, 142, 143, 222, 388, 
390, 392, 394, 396, 397, 398, 438, 430° 
Galicia, 95, 97 
Gaskell, W. H., cited, 27, 57, 61, 66, 126, 
149, 436, 439 
Gaspé sandstone, 93 
Gastropods, 99 
Gaurocrinus onealli, 325 
Geikie, cited, III . 
Genesee county, 89 
Geologic distribution of eurypterids, 85- 
113, 431 
Girty, cited, 111 
Glyptocrinus fornshelli, 325 
richardsoni, 325 
Glyptoscorpius, 141, 222, 314 
Gomphoceras, 99 - 
€0S, 325 
Grabau, A. W., acknowledgments to, 8; 
cited, 99 
Great Britain, 95, 99, 100 
Grenacher, cited, 42 
Grote, A. R., cited, 15, 91, 227, 228, 3409, 
359, 362, 372, 434 
Guelph dolomite, 17, 87, 91, 93, 106, 109, 
161 
Gurley, W. F. E., cited, 18, 437 
Gyroceras baeri, 325 
