Bulletin - United States National Museum . a c Fig. 3.—Scalpelhim superbum. a, ventral, &, lateral, and c, dorsal views of the type-specimen. (Nat. size.) Other localities.—^o. 9920, , Station 2415, north latitude30° 44, west longitude 79° 26, in 440 fathoms, bottom °, on branching white coral. The capitulum is somewhat triangular, like that of 8. trispinosumHoek, wide and thick at the base, composed of 13 strong white plates,without perceptible cuticle. The plates are sculptured with crossed by grow^th-lines. The scutum is pyramidal with recurved apex,

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Bulletin - United States National Museum . a c Fig. 3.—Scalpelhim superbum. a, ventral, &, lateral, and c, dorsal views of the type-specimen. (Nat. size.) Other localities.—^o. 9920, , Station 2415, north latitude30° 44, west longitude 79° 26, in 440 fathoms, bottom °, on branching white coral. The capitulum is somewhat triangular, like that of 8. trispinosumHoek, wide and thick at the base, composed of 13 strong white plates,without perceptible cuticle. The plates are sculptured with crossed by grow^th-lines. The scutum is pyramidal with recurved apex, and has a strongmedian ridge from the apex to the middle of the lower striae are fine and well developed on the lateral half of the «Challenger Report, VIII, Cirripedia, p. 72, pi. vi, figs. 15, 16. 12 BiTLLprriN 00, unitkd >^tates national museum. plate. The basal margin is coiucaled undor the lower whorl ofplates. The tcrg-um is in part concealed under the margins of the scuta andcarina. The visible part

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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience