. 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, A young dermal acerate spicule, (p) Do. fully developed transverse section Di X 200 X 200 X 200 X 200 X 400 X 200 X 200 X 200 X 200 2.—Amphoriscus p>oculwm, u. sp. (a) A subgastric triradiate spicule, (b) A subdermal triradiate spicule, (c) A dermal triradiate spicule, (d) Do. embryonal, (e) A gastric triradiate spicule,(/) A parenchymal acerate spicule, 3.—Amphoriscus fiamma, u. sp. (u) A subgastri
. 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, A young dermal acerate spicule, (p) Do. fully developed transverse section Di X 200 X 200 X 200 X 200 X 400 X 200 X 200 X 200 X 200 2.—Amphoriscus p>oculwm, u. sp. (a) A subgastric triradiate spicule, (b) A subdermal triradiate spicule, (c) A dermal triradiate spicule, (d) Do. embryonal, (e) A gastric triradiate spicule,(/) A parenchymal acerate spicule, 3.—Amphoriscus fiamma, u. sp. (u) A subgastric triradiate spicule, . (6) A subdermal triradiate spicule, . (bl) Do. embryonal, (c) A gastric quadriradiate spicule, . (d, e) Two young parenchymal acerate spicules, (/) The same, fully developed (transverse section), (g) A linear acerate spicule of the peristome, . X 200 X 200 X 200 X 200 X 200 X 200 X 200 X 200 X 200 X 200 X 200 X 200 X 200 4.—Amphoriscus elongatus, n. sp. (a) A subgastric triradiate spicule,(/») A subdermal quadriradiate spicule,(•) A gastric quadriradiate spicule,(?) A dermal triradiate spicule,() A minute acerate spicule. y 200 X 200 X 200 X 200 X 200 The. \1c iscus pt PLATE VI. PLATE VI. Figure 1.—Leucilla connexiva, n. sp. (a) Portion of a horizontal section, (b) A dermal triradiate spicule, (c) A gastric triradiate spicule, (d) A subgastric triradiate spicule, (e) A subdermal triradiate spicule, Diam. X 50 X 100 X 100 X 100 X 100 2.—Leucilla liter, n. sp. (a) Portion of a horizontal section ; Am, = Amphiblastuhe, (!>) A dermal quadriradiate spicule, (c) A gastric quadriradiate spicule,. (d, e) Two subgastric triradiate spicules, (/) Two spermospores, .... x 50 x 100 x 100 x 100 x 1000 3.—Leuconia multiformis, n. sp. (a) Portion of a horizontal section, (b) Piece of the dermal surface,(f) A conjectural calcoblast, x 30 x 100x 800 The Voyage of II M S Ch ill
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectscienti, bookyear1883
