Decapod Crustaceans From the Panama Region By Mary J Rathbun
Decapod Crustaceans From the Panama Region By Mary J Rathbun
Mary Jane Rathbun
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19, fig. 2. 160 BULLETIN 103, UNITED STATES NATIONAL MUSEUM. and indicates a large excrescence, perhaps a spine, on the dorsal sur- face; 3 pits only are visible in the outer row, the middle pit is in transverse line with the anterior pit of the other rows, while the anterior pit of the outer row is not quite in line with the two behind it. Either side of the pair of small submedian gastric pits there is a large cavity. The furrows separating the branchial from the gastric and cardiac regions a...re indicated by sinuous ridges. Judging from the proximity of the rows of pits, this carapace is narrower in proportion to its length than in other species of Mursia. This together with the evidence of a strong prominence near the postero-lateral borders points to a genus different from any described. MURSILIA, new genus. The manus resembles that of Mursia, but lacks the crest or ridge on the inferior margin. . Type of the genus. Mursilia ecristata, new species. MURSILIA ECRISTATA, new species. Plate 57, fig.
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