The Eurypterida of New York/Volume 2/Explanations of plates/Plate 69

From Wikisource
Jump to navigation Jump to search


PLATE 69

Hughmilleria shawangunk Clarke
Page 342
See plates 64–66

1 Carapace showing normal outline and eyes. × 3
Horizon and locality. Shawangunk grit. Otisville, Orange co., N. Y.


Pterygotus macrophthalmus Hall
Page 350
See plates 72–73

2 A nearly complete specimen showing the dorsal view of the preabdomen and postabdomen, the latter distended and exhibiting the membrane connecting the joints; and the telson. Natural size
Horizon and locality. Bertie waterlime. Cranes Corners, Herkimer co., N. Y.
3 A young specimen showing the relatively greater size of the compound eyes and ocellar mound. Natural size
Horizon and locality. Bertie waterlime. Marshall, Oneida co., N. Y.
4 Dorsal view of three tergites and postabdomen showing the marginal serrations of the ultimate segment and the median carina. Natural size
Horizon and locality. Bertie waterlime. Oneida co., N. Y.
5 Young carapace preserving well the outline of the carapace, the form and prominence of the compound eyes and the ocellar mound. × 2
6 Larger carapace. Natural size
7 Specimen showing the carapace, three tergites and swimming legs. Natural size
Horizon and locality. Bertie waterlime. Cranes Corners, Herkimer co., N. Y.

All figures are from photographs. The originals of figures 1, 2, 5, 6, 7 are in the State Museum, those of figures 3 and 4 are in the American Museum of Natural History

Memoir 14. N.Y.State Museum. Plate 69.
The Eurypterida of New York plate 69.jpg
J.A.Glenn phot. J.B.Lyon Co. State Printer.