. Elementary text-book of zoology, tr. and ed. by Adam Sedgwick, with the assistance of F. G. Heathcote. POBIFEIiA. 219 0 remain in the mesoderm, and there undergo their development. It is only later that the ciliated embryos or larvae fall into the canal system, pass out, and attach themselves, to de- velop into a young sponge. The embryonic de- velopment among the calcareous sponges is most accurately FIG. 165.—Ewpongia officinalis , with, a number of ,. oscula, O (after Fr. E. Schulze). known for the Sycvnidce from the investigations of Fr. Schulze and a,. Please note th
. Elementary text-book of zoology, tr. and ed. by Adam Sedgwick, with the assistance of F. G. Heathcote. POBIFEIiA. 219 0 remain in the mesoderm, and there undergo their development. It is only later that the ciliated embryos or larvae fall into the canal system, pass out, and attach themselves, to de- velop into a young sponge. The embryonic de- velopment among the calcareous sponges is most accurately FIG. 165.—Ewpongia officinalis , with, a number of ,. oscula, O (after Fr. E. Schulze). known for the Sycvnidce from the investigations of Fr. Schulze and a,. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Claus, Carl, 1835-1899; Sedgwick, Adam, 1854-1913; Sinclair, F. G. (Frederick Granville), b. 1858. London, Swan Sonnenschein & co.
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Keywords: ., book, bookcentury1800, bookcollectionbiodiversity, bookdecade1890
