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| 1 | Fragment of cephalothorax with the eyes and showing the coxae of the swimming legs. Composite drawing from both counterparts. Natural size |
| 2 | Fragments of a walking leg and a balancing leg showing the lobelike spines of the latter. Natural size |
| 3 | Ventral view of a cephalothorax showing the coxae of the legs in position and a well preserved metastoma; also the long spines of the walking legs. Natural size Horizon and locality. Bertie waterlime. Buffalo, N. Y. |
The original of figure 1 is in the National Museum; those of figures 2 and 3 are in the American Museum of Natural History
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