. The Eurypterida of New York. Eurypterida; Paleontology. 2 8o NEW YORK STATE MUSEUM /?5^. A_ \. specimen of S. cestrotus which retains both in full length, distinctly shows that there was a considerable dif- ference in the two pairs, the fourth being shorter in total length by about one sixth,' and each of its segments a little shorter than the cor- responding one of the fifth [pi. 49, fig. 6]. In S . e 1 e - gans Laurie, where the last- two pairs are also shown, this difference is still greater [text fig. 62]' and the same is suggested by Laurie's draw- ing of S. macrophthal- mus [1892, pi.


. The Eurypterida of New York. Eurypterida; Paleontology. 2 8o NEW YORK STATE MUSEUM /?5^. A_ \. specimen of S. cestrotus which retains both in full length, distinctly shows that there was a considerable dif- ference in the two pairs, the fourth being shorter in total length by about one sixth,' and each of its segments a little shorter than the cor- responding one of the fifth [pi. 49, fig. 6]. In S . e 1 e - gans Laurie, where the last- two pairs are also shown, this difference is still greater [text fig. 62]' and the same is suggested by Laurie's draw- ing of S. macrophthal- mus [1892, pi. 2, fig, 10]. It would seem then that all si^ecimens of Stylonurus, ex- cept the original S . p o w - r i c i , exhibit a distinct difference in length between the last two jjairs of legs. From the two figures of S . p o w r i e i, published successively by Woodward [1865, pl- 13. fig- i; 1872, pi. 21, fig. I ], it also becomes obvious that that specimen must possess the same dif- Figure 62 Stylonurus elegans Laurie. Second to fourth legs of right side. (From Laurie) %• ' See also Laurie, 1899, pL 2, 12, 13. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Clarke, John Mason, 1857-1925; Ruedemann, Rudolf, 1864-1956. Albany, New York State Education Department


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Keywords: ., bookcentury1900, bookdecad, booksubjectpaleontology, bookyear1912