. 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, igs. 1-7. Dictyocalyx gracilis, F. E. S., . 105 Fig. 1. Macerated coherent skeleton, from a photograph ; natural size. Fig. 2. Discohexaster with short marginal teeth on the terminal discs ; x 450. Fig. 3. Part of a hypodermal hexact; x 300. Fig. 4. Discohexaster with long marginal teeth on the terminal discs ; x 450. Fig. 5. Graphiohexaster with somewhat diverging, line, raphid-like terminalrays; x 30
. 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, igs. 1-7. Dictyocalyx gracilis, F. E. S., . 105 Fig. 1. Macerated coherent skeleton, from a photograph ; natural size. Fig. 2. Discohexaster with short marginal teeth on the terminal discs ; x 450. Fig. 3. Part of a hypodermal hexact; x 300. Fig. 4. Discohexaster with long marginal teeth on the terminal discs ; x 450. Fig. 5. Graphiohexaster with somewhat diverging, line, raphid-like terminalrays; x 300. Fig. 6. Small discohexaster with many terminal rays ; x 1000. Fig. 7. Fragment of a floricome ; x 450. Figs. 8-12. Rhabdopectella tintinnus, 0. Schmidt, . 108 Fig. 8. Discohexaster with short marginal teeth on the bent terminal rays;X 300. Fig. 9. Oxyhexaster with two thin terminal rays on each principal; x 300. Fig. 10. Bow-shaped spicule ; x 300. Fig. 11. Discohexaster with large terminal discs; x 1000. Fig. 12. Oxyhexaster, in which the principals are so shortened, that the terminalrays have coalesced at their base ; x 300. TheVoyage of H M. S.,.CKallen^er, ?,-ul2e and del liriiinsiv. Werners Vinler,Jiankfurt^/M DICTYOCALYX GRACILIS. Fig, TINTINNUS. , PLATE XIII. ZOOL. CHALL. EXP.—PART LIII.—1887.)—Ggff. PLATE XIII. PAGE Figs. 1-4. Rcgadrella phcenix, 0. Schmidt, . 84 Fig. 1. Fragment of the upper part, with sieve-plate, from a dried specimen;natural size. Fig. 2. Hypodermal hexact; x 20. Fig. 3. Discohexaster; x 450. Fig. 4. Floricome ; x 450. Figs. 5-7. Eiqylcctella crassistellata,¥. E. S., . 81 Fig. 5. Section at right angles through the lateral wall of a fragment oi Euplcctellacrassistellata, F. E. S., preserved in alcohol, with the soft parts ; x 100. Fig. 6. Oxyhexaster with thick and long principal rays ; x 450. Fig. 7. Inferior portion of an anchor-like diact, with hemi
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectscienti, bookyear1887
