Medusae of the world . pering tentacles, longer than the bell-diameter. Notmore than 2 to 5 sensory-clubs per lappet. Clubs similar to those of S. albescens. TropicalPacific and Atlantic Gulf Stream. Distinguished from S. marshalli by its soft, gelatinoussubstance, fewer sense-clubs, and greater number of tentacles. It is possibly identical withS. faberi and S. bleeki of Haeckel. Solmissus faberi Haeckel. Solmissus jaberi, Haeckel, 1879, Syst. der Medusen, p. 350. Bell lenticular, biconvex, 20 mm. wide and 7 mm. high. 24 tentacles hardly as long asbell-radius. 72 sensory-clubs without otoporpa
Medusae of the world . pering tentacles, longer than the bell-diameter. Notmore than 2 to 5 sensory-clubs per lappet. Clubs similar to those of S. albescens. TropicalPacific and Atlantic Gulf Stream. Distinguished from S. marshalli by its soft, gelatinoussubstance, fewer sense-clubs, and greater number of tentacles. It is possibly identical withS. faberi and S. bleeki of Haeckel. Solmissus faberi Haeckel. Solmissus jaberi, Haeckel, 1879, Syst. der Medusen, p. 350. Bell lenticular, biconvex, 20 mm. wide and 7 mm. high. 24 tentacles hardly as long asbell-radius. 72 sensory-clubs without otoporpae. 3 on each bell-lappet; the 24 lappets form a 38 484 MEDUS/E OF THE WORLD. collar around the bell; they are rectangular, somewhat wider than long, and hardly one-fourthas long as bell-height. 24 radially situated, heart-shaped stomach-pouches have their wideends outward, somewhat wider than long, and contain the gonads. The tentacle-bases areinserted into the clefts of the heart-shaped diverticula of the stomach. 325. Fig. 325.—Solmissus albescens. A, Side view of mature medusa. B, Bell-margin; v3 velum; /, tentacle; s, stomach-pouches; m, mouth. C, Sensory-club. D, Tentacle. From life, bv the author. Naples Zoological Station, January 16, 326.—Solmissus albescens. Radial section of the bell-margin through a sensory-club. Drawn by the author, from a medusa from Naples, Italv. Nuclei of ectodermal cells are shown as black dots, while those of entoderm are represented as circles, em, solid cord of entoderm cells at the bell-margin; ex, exumbrella; ot, sensory-club; su, subumbrella; t», velum. This medusa is found in the southwestern Atlantic, S. Iat. 320, W. long. 260. It isdescribed by Haeckel from preserved specimens and is possibly identical with S. incisa. Solmissus marshalli Agassiz and Mayer. Solmissus marshalli, Acassiz and Mayer, 1002, Mem. Museum Comp. Zool. at Harvard College, vol. 26, p. 151, plate 5, figs. 23-25.—Bicelow, H. B., 1909, Ibid., 70I. 37
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