Medusae of the world . 294- Fig. 291 .—Pegantha goddefjroyi, after Haeckel. Fig 202 — Pegantha aureola, after Haeckel, Syst. der Medusen, taf. 19, fig. II. Fig zl\.-Peganlha triloba, oral view, after Mayer, in Bull V. S. Bureau of Fisheries. Fig. ^.-Pegantha <ri,oba aftCr May n BU- U S BUrea FlsheeS- subumbrella floor of the stomach, one or more in each lappet-radius. There may or may notbe ectodermal, sensory tracts over the exumbrella above the marginal sense-clubs. A ring-canal system appears always to be present. According to Haeckel, Pegantha is distinguished by the conditi
Medusae of the world . 294- Fig. 291 .—Pegantha goddefjroyi, after Haeckel. Fig 202 — Pegantha aureola, after Haeckel, Syst. der Medusen, taf. 19, fig. II. Fig zl\.-Peganlha triloba, oral view, after Mayer, in Bull V. S. Bureau of Fisheries. Fig. ^.-Pegantha <ri,oba aftCr May n BU- U S BUrea FlsheeS- subumbrella floor of the stomach, one or more in each lappet-radius. There may or may notbe ectodermal, sensory tracts over the exumbrella above the marginal sense-clubs. A ring-canal system appears always to be present. According to Haeckel, Pegantha is distinguished by the condition that the gonads are saidto be confined to intertentacular outpocketings from the subumbrella floor of the stomachand are not developed upon the general subumbrella floor of the central stomach itself. There is unfortunately, however, no sharp line of demarcation between Pegantha, whereinthe o-onads are confined to intertentacular saccules, and Haeckels Polyxenta, wherein thegonad consists of a
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectcnidari, bookyear1910
