. Bulletin of the Natural History Museum Zoology. . Fig. 8 Bargmannia amoena sp. nov. A. Upper, B. lower, and C. lateral views of mature nectophore from small specimen collected during JSL II Dive 976. Scale bar = 1 mm. ruptured by the expansion of the gas within it. No pigmentation is apparent. The pneumatophore is inserted onto the apical end of a long stalk that, depending on the degree of contraction, can be 5-6 mm in length. As in B. elongala, this stalk is flattened at its base, where it joins the nectosome, to form a hinge-like structure. Nectophore (Figures 7-9). The nectophores had a
. Bulletin of the Natural History Museum Zoology. . Fig. 8 Bargmannia amoena sp. nov. A. Upper, B. lower, and C. lateral views of mature nectophore from small specimen collected during JSL II Dive 976. Scale bar = 1 mm. ruptured by the expansion of the gas within it. No pigmentation is apparent. The pneumatophore is inserted onto the apical end of a long stalk that, depending on the degree of contraction, can be 5-6 mm in length. As in B. elongala, this stalk is flattened at its base, where it joins the nectosome, to form a hinge-like structure. Nectophore (Figures 7-9). The nectophores had a biserial, stag- gered arrangement down the nectosome (Figure 6). The number of nectophores found with each specimen varied from 5 to 32. Depend- ing on the mean length of their nectophores, these specimens can be divided into three size categories. Seven specimens, all collected during the same cruise in 1984, bore c. 10 relatively small nectophores whose lengths were less than 8 mm. The mean length, for the mature nectophores, was ± mm; the mean width ± mm; and the ratio of the overall length to that of the nectosac averaged ± None of these specimens was sexually mature. The bulk of the specimens was included in second size category, where the length of the mature nectophores ranged from 9 to 19 mm. These specimens bore distinct, but immature, gonophores. Each specimen averaged about 20 nectophores, whose mean length was ±. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Natural History Museum (London). Andover : Intercept
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