The Eurypterida of New York/Volume 2/Explanations of plates/Plate 50


PLATE 50

Stylonurus cestrotus Clarke
Page 286
See plate 49

1 Carapace showing distinctly the extent of the visual areas which are broken out, and the ocellar mound. × 3
2 Carapace showing the frontal tumescence and large ocellar mound. × 3
3 Carapace showing surface ornamentation. The doublure has become separated on the left side. × 3
4, 5, 6 Carapaces illustrating the great variation in outline due to different directions of compression. × 3
7 Portion of a grooved leg, probably belonging to this species. Natural size
Horizon and locality. Shawangunk grit. Otisville, Orange co., N. Y.


Stylonurus sp.

8 Fragment of leg, probably referable to Stylonurus, subgenus Ctenopterus. × 3
Horizon and locality. Shawangunk grit. Otisville, Orange, co., N. Y.


Stylonurus multispinosus nov.
Page 297

9 Distal portion of leg. Natural size
10 Group of first and third endognathites, and a sternite
Horizon and locality. Pittsford shale. Pittsford, Monroe co., N. Y.

The originals of all figures are in the State Museum

Memoir 14. N. Y. State Museum. Plate 50.
G S Barkentin del J B Lyon Co State Printer