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, . lower surface of the sponge (fig. 6) is protected by a singularly elegant Loc. cit., vol. i. p. 273. (ZOOL. CHALL. ESP.—PAUT LIII.—1887.) ^SS 26 202 THE VOYAGE OF CHALLENGER. network of sarcode, with wide oval and round meshes radiating irreguhirly from acentral point. The membrane is transversed by irregularly radiating ridges of firmersul)stance, which unite in the centre in a projecting boss at t
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, . lower surface of the sponge (fig. 6) is protected by a singularly elegant Loc. cit., vol. i. p. 273. (ZOOL. CHALL. ESP.—PAUT LIII.—1887.) ^SS 26 202 THE VOYAGE OF CHALLENGER. network of sarcode, with wide oval and round meshes radiating irreguhirly from acentral point. The membrane is transversed by irregularly radiating ridges of firmersul)stance, which unite in the centre in a projecting boss at the point, where in thisspecimen the glassrope has unfortunately been torn out. In minute structure, Hyalonema toxeres corresponds in all essential respects withHyalonema sieholdii and Hyalonema lusitanicum. All the spicules are of the sameground forms, with some little differences in detail, with the exception of one remarkablespicule which enters largely into the structure of Hyalonema toxeres, and serves todistinguish even the smallest portion of it. This is a large spicule, the largest above acentimetre in length, and more than half a millimetre in width in the centre, shaped.
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectscienti, bookyear1887
