. 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, 1-10. Hyalonema rohustum, F. E. S., . 229 Fig. 1. Lateral view of a great amphidisc; x 300. Fig. 2. Terminal view of the same great amphidisc shown in fig. 1 ; x 3, 4. Middle-sized amphidiscs ; x 5. Small amphidisc ; x 6. Oxyhexact with smooth bent rays ; x 7. Autodermal pentact pinulus ; x 8. Oxyhexact with straight echinated rays ; x 9. Strong te
. 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, 1-10. Hyalonema rohustum, F. E. S., . 229 Fig. 1. Lateral view of a great amphidisc; x 300. Fig. 2. Terminal view of the same great amphidisc shown in fig. 1 ; x 3, 4. Middle-sized amphidiscs ; x 5. Small amphidisc ; x 6. Oxyhexact with smooth bent rays ; x 7. Autodermal pentact pinulus ; x 8. Oxyhexact with straight echinated rays ; x 9. Strong tetract with echinated ends from the basal pad ; x 10. Strong diact with echinated ends and two central echinated knobs ; x 300. Figs. 11-16. Hyalonema sp., near Hyalonema {Stylocalyx) clepressum, F. E. S., 231 Fig. 11. Great slender amphidisc with four cruciately disposed central knobs onthe axial beam ; x 300. Figs. 12, 13. Middle-sized slender amphidiscs ; x 300. Fig. 14. Small amphidisc ; x 300. Fig. 15. Oxyhexact with straight smooth rays ; x 300. Fig. 16. Autodermal pentact pinulus ; x 300. Tlif Voyage of „Challpnger. Hexactinellida. 300 r II. J nil I s-. ^SP 30011. ;\ ?/
Size: 1151px × 2171px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, booksubjectscienti, bookyear1887
