. The Cambridge natural history. Zoology. 500 ECHINODERMATA—OPHIUROIDEA chap. Opliiopteron is probably a swimming Ophiuroid, as the lateral spines of each segment of the arin are connected by a web of skin. Order III. Oladophiurae. These, like the Streptophiurae, have the power of rolling the arms in a vertical plane, but the articulating surfaces of the vertebrae are well-developed and saddle-shaped. The dorsal. Flo. 222.—Aboral view of young Astrophyton linckii, slightly enlarged. (From Wyville Thomson.) surface of the disc and arms is covered with a thick skin with minute calcifications. Up
. The Cambridge natural history. Zoology. 500 ECHINODERMATA—OPHIUROIDEA chap. Opliiopteron is probably a swimming Ophiuroid, as the lateral spines of each segment of the arin are connected by a web of skin. Order III. Oladophiurae. These, like the Streptophiurae, have the power of rolling the arms in a vertical plane, but the articulating surfaces of the vertebrae are well-developed and saddle-shaped. The dorsal. Flo. 222.—Aboral view of young Astrophyton linckii, slightly enlarged. (From Wyville Thomson.) surface of the disc and arms is covered with a thick skin with minute calcifications. Upper-arm plates wanting. Eadial plates always present, though occasionally represented by lines of 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 Harmer, S. F. (Sidney Frederic), Sir, 1862- ed; Shipley, A. E. (Arthur Everett), Sir, 1861-1927. ed. [London, Macmillan and Co. , Limited; New York, The Macmillan Company
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectzoology, bookyear1895
