. 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, POLIOPOGON GIGAS F E Schuize PLATE XLVIIL PLATE XLVIII. PAGE Poliopogon gigas, F. E. S., . , 257 Fig. 1. Vertical section of a portion, preserved in alcohol (combination fioure) ?X 60. ^ Fig. 2. Large amphidisc ; x 300. Figs. 3, 7. Small smooth oxydiact; x 300. Figs. 4, 6. Small amphidiscs ; x 300. Fig. 5. Autodermal pentact pinulus ; x 300. Fig. 8. Autodermal hexact pinulus ; x 300. Fig. 9. Outer view
. 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, POLIOPOGON GIGAS F E Schuize PLATE XLVIIL PLATE XLVIII. PAGE Poliopogon gigas, F. E. S., . , 257 Fig. 1. Vertical section of a portion, preserved in alcohol (combination fioure) ?X 60. ^ Fig. 2. Large amphidisc ; x 300. Figs. 3, 7. Small smooth oxydiact; x 300. Figs. 4, 6. Small amphidiscs ; x 300. Fig. 5. Autodermal pentact pinulus ; x 300. Fig. 8. Autodermal hexact pinulus ; x 300. Fig. 9. Outer view of an autodermal pentact pinulus ; x 300. Fig. 10. Oxyhexact with straight echinated rays ; x 300. Fig. 11. Autodermal hexact pinulus ; x 300. Fig. 12. Hexact with five pointed and one rounded smooth rays ; x 300. Fig. 13. Inferior part of an abnormal anchor-like spicule of the basal tuft; x 100. Fig. 14«. Liferior, and Fig. 14& superior, part of a normal anchor-like spicule ofthe basal tuft; x 100. TheVovaiiP of JhallcuJer. Hexactinellida n % I I 5^r--.
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectscienti, bookyear1887
