. Elementary text-book of zoology. Zoology. FIG. 233.—Developmental stages of Comntnla (Anfedon), much enlarged, a, free-swimming larva with tuft and rings of cilia (Wr), also with rudimentary calcareous plates. 6, At- tached Pentacrinoid form of the same animal. O, Oralia; S, Radialia; S, Basalia; Cd, Centrodorsal plate, c, Older stage described as Pentad-inns europaeus with arms and cirri (after Thomson). and pass on to the arms, and their branches and pinnules; they are lined by soft skin, and carry the tentacle-like ambulacral appendages. The anus, when it is present, lies excentrically on
. Elementary text-book of zoology. Zoology. FIG. 233.—Developmental stages of Comntnla (Anfedon), much enlarged, a, free-swimming larva with tuft and rings of cilia (Wr), also with rudimentary calcareous plates. 6, At- tached Pentacrinoid form of the same animal. O, Oralia; S, Radialia; S, Basalia; Cd, Centrodorsal plate, c, Older stage described as Pentad-inns europaeus with arms and cirri (after Thomson). and pass on to the arms, and their branches and pinnules; they are lined by soft skin, and carry the tentacle-like ambulacral appendages. The anus, when it is present, lies excentrically on the ambulacral (ventral) surface of the disc. The development of the living genus Comatula, which begins with a barrel-shaped larva with four bands of cilia and leads to the fixed stage of the Pen-. 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. New York : Macmillan
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectzoology, bookyear1884
