. Report on the scientific results of the voyage of Challenger during the years 1873-76 : under the command of Captain George S. Nares, , and Captain Frank Turle Thomson, «i) / V %^ m I ft >X\I ^li SEMPERELLA SCHULTZEI. CSemper PLATE LIII. (HOOL, EXP. PART LIII. 1887.) Ggg. PLATE Llll. PAGE Figs. 1, 2. Polylophus philippinensis, Gray, . .133 Fig. la, h. Very youug specimeus ; natural size; a, probably fixed ; with oscularaperture ; h, free ; without oscular aperture ; natural size. Fig. 2. Longitudinal section of a small bud (combination figure); x 20. Figs. 3
. Report on the scientific results of the voyage of Challenger during the years 1873-76 : under the command of Captain George S. Nares, , and Captain Frank Turle Thomson, «i) / V %^ m I ft >X\I ^li SEMPERELLA SCHULTZEI. CSemper PLATE LIII. (HOOL, EXP. PART LIII. 1887.) Ggg. PLATE Llll. PAGE Figs. 1, 2. Polylophus philippinensis, Gray, . .133 Fig. la, h. Very youug specimeus ; natural size; a, probably fixed ; with oscularaperture ; h, free ; without oscular aperture ; natural size. Fig. 2. Longitudinal section of a small bud (combination figure); x 20. Figs. 3-5. Lanuginella pupa, 0. Schmidt, . 130 Fig. 3a, h. Young specimens, not fixed ; natural size. Fig. 4. A very young specimen, of globular form, without an oscular aperture;x30. Fig. 5. Longitudinal section of a young specimen, with commencing formation ofthe oscular area ; x 70. The Voyage of ,, Challenger: Hexactinellida. C-f, .^t .^^:y^ll^ C^. Figl-2 POLYLOPH US Fig 3-5. LANUGIN ELLA PUPA, PLATE LIY. PLATE LIV. PAGE Polylophus philippinensis, Gray, . .133 Fig. 1. A specimen preserved in alcohol, with numerous buds of various sizes andages; natural size. Fig. 2. Vertical section of the outer marginal portion (combination figure); x 50. Fig. 3. Discohexaster belonging to Lanuginella pupa, erroneously put in thisplate; x 450. Fig. 4. Plumicome from the subdermal trabecular work ; x 300. Fig. 5. Oxyhexaster with long principal rays; x 300. Fig. 6. Longitudinal section of a principal ray, with terminal rays of a plumi-come; X 1000. Fig. 7. Autodermal tetract with somewhat bent, rough, rounded rays ; x 100. Fig. 8. Hexact with straight rough rays, probably intruded and not lielonging toPolylophus philippinensis; x 100. Fig. 9. Inferior part of an anchor-like pentact of the basal tuft; x 50. The Voyage of „Challenger. Hexacimellida
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectscienti, bookyear1887
