The Eurypterida of New York/Volume 2/Explanations of plates/Plate 79

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PLATE 79

Pterygotus buffaloensis Pohlmann
Page 358
See plates 57, 67, 68, 72–78; 80

1 The coxal joint of a swimming foot of a gigantic specimen, probably of this species. Type of P. cummingsi Grote & Pitt. Natural size
2 Metastoma of a large individual showing the ornamentation. Natural size
Horizon and locality. Bertie waterlime. Buffalo, N. Y.


Pterygotus atlanticus nov.
Page 356

3 Free chela, imperfect at both extremities. Natural size
4 Gnathobase of coxa of swimming leg. The acute body resting upon it, is a fish spine. Natural size
5 Fragment, apparently the posterior portion of a metastoma. Natural size
Horizon and locality. Dalhousie beds (Devonic). Campbellton, New Brunswick

The originals of figures 1 and 2 are in the museum of the Buffalo Society of Natural Sciences, those of figures 3–5 in the Canadian Survey Collection at Ottawa

Memoir 14. N.Y.State Museum. Plate 79.
The Eurypterida of New York plate 79.jpg
G.S.Barkentin del. J.B.Lyon Co. State Printer.