. 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, \ FEfctabe anl CFirtsch dr! HYALONEMA APERTUM. F E Schuize PLATE XlXVIfJ. PLATE XXXVIIT. PAGE Hyalonema {Stylocalyx) apcrtum, F. E. S., . 214 Fig. 1. Vertical section through the upper marginal portion (combination figure);x20. Fig. 2. External view of the dermal membrane ; x 60. Fig. 3. Oxydiact from the parenchyma ; x 100. Fig. 4. Small strong oxyhexact with straig
. 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, \ FEfctabe anl CFirtsch dr! HYALONEMA APERTUM. F E Schuize PLATE XlXVIfJ. PLATE XXXVIIT. PAGE Hyalonema {Stylocalyx) apcrtum, F. E. S., . 214 Fig. 1. Vertical section through the upper marginal portion (combination figure);x20. Fig. 2. External view of the dermal membrane ; x 60. Fig. 3. Oxydiact from the parenchyma ; x 100. Fig. 4. Small strong oxyhexact with straight echinated rays ; x 300. Fig. 5. Oxyhexact with bent barbed rays x 300. Fig. 6. Middle-sized amphidisc ; x 300. Fig. 7. Great amphidisc with nodose axial beam ; x 100. Figs. 8, 9, Small amphidiscs ; x 300. Fig. 10. Autodermal pentact pinulus ; x 300. Fig. 11. Marginal oxydiact with four cruciately disposed central knobs ; x 300. Fig. 12. Gastral pentact pinulus; x 300. The Voyage of. „Challen^er: Hexaclmellida PLXCOTH. and ( del. HYALONEMA APERTUM. PLATE mix. (ZOOL. CHALL, EXP. PAtlT LIII.—1887.) — Gg PLATE XXXIX. PAGE Figs. 1-9. Hyalonema sp., . . 232 Fig. 1. Marginal oxydiact with four cruciately disposed knobs ; x 300. Figs. 2, 3. Great amphidiscs with spinous axial beam ; x 300. Fig. 4. Middle-sized amphidisc ; x 300. Fig. 5. Autodermal pentact pinulus ; x 300. Fig. 6. Oxyhexact with straight smooth rays ; x 300. Fig. 7. Autodermal pentact pinulus; x 300. Fig. 8. Small amphidisc; x 300. Fig. 9. Middle-sized amphidisc ; x 300. Figs. 10-15. Hyalonema s]^., neav Hyalonema conus, F. E. S., . 233 Fig. 10. Great amphidisc with broad paddle-shaped umbel rays; x 300. Fig. 11. Middle-sized amphidisc ; x 300. Fig. 12. Oxyhexact with straight smooth rays ; x 300. Fig. 13. Autodermal pentact pinulus; x 300. Fig. 14. Small amphidisc ; x 300. Fig. 15. Autodermal pentact pinulus ; x 300. Figs. 16-18. Hyalonema (probably) lusitanicum, Bocag
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectscienti, bookyear1887
