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
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