. Handbook of zoology with examples from Canadian species, recent and fossil [microform]. Zoology; Invertebrates; Zoologie; Invertébrés. *5i I \ 1 ' tl i If 96 PROVINCE ECHINODERMATA. found in Canadian waters, is one of our finest Star-fishes, being sometimes eighteen inches in diameter, and its eight arms subdividing into many hundreds of filaments, each consistiug of a series of curiously-formed joints. This creature is known as the Sea-basket. A. Agassizii is our most common species. Fig. 86 represents two of the calcareous joints of. Fig. 86.—Joints of Kay oF^Oi'mooLYPHA Sarsii, Post-plioc
. Handbook of zoology with examples from Canadian species, recent and fossil [microform]. Zoology; Invertebrates; Zoologie; Invertébrés. *5i I \ 1 ' tl i If 96 PROVINCE ECHINODERMATA. found in Canadian waters, is one of our finest Star-fishes, being sometimes eighteen inches in diameter, and its eight arms subdividing into many hundreds of filaments, each consistiug of a series of curiously-formed joints. This creature is known as the Sea-basket. A. Agassizii is our most common species. Fig. 86 represents two of the calcareous joints of. Fig. 86.—Joints of Kay oF^Oi'mooLYPHA Sarsii, Post-pliocene, magnified. Ophioglypha Sarsii, a species found living at Oaspe and fossil in the Pleistocene clays. The Ophiuridea may be divided into two orders, that of the Ophiuridce proper with simple arms, and that of the Euryalidic with branching arms, without protective plates on their surfaces. Class III.—Asteroidea. These have the disc and rays cofijlucjif^ and the latter thick and traversed by ramifications of the digestive appar- atus and generative organs^ and furnished udtJi rows of tube feet along their lower sides. As the type of this order may be taken Asteracanthion. 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 Dawson, J. W. (John William), Sir, 1820-1899. Montreal : Dawson
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Keywords: ., bookcentury1800, bookdecade1880, booksubjecti, booksubjectzoology
