. Handbook of zoology with examples from Canadian species, recent and fossil [microform]. Zoology; Invertebrates; Zoologie; Invertébrés. I'ROVINCE ECHINODERMATA. 97 Itar-fishes, , and its filaments, 'd joints. Agassizii joints of iiagnificd. Lspe and ^rs, that t that of otective '€ latter appar- 'OWS of mthion (Astoias) vulgaris (Fig. 87). It is the representative on. Fi- vulqaims, Stinipscn, Atlantic Coast, roWucecl. and section of a niv showinar tube-.'eet. our coasts of the ICuropean A. Rubens, if not merely a variety of it. It is the common Star-fish, Sea-star, or five-fmger.
. Handbook of zoology with examples from Canadian species, recent and fossil [microform]. Zoology; Invertebrates; Zoologie; Invertébrés. I'ROVINCE ECHINODERMATA. 97 Itar-fishes, , and its filaments, 'd joints. Agassizii joints of iiagnificd. Lspe and ^rs, that t that of otective '€ latter appar- 'OWS of mthion (Astoias) vulgaris (Fig. 87). It is the representative on. Fi- vulqaims, Stinipscn, Atlantic Coast, roWucecl. and section of a niv showinar tube-.'eet. our coasts of the ICuropean A. Rubens, if not merely a variety of it. It is the common Star-fish, Sea-star, or five-fmger. Its upper surface is covered with calcareous spmes, around the bases of which are little moveable pin- cers or pedicellariie, useful in cleaning and defending the skm On the upper surface of the disc, but a little to one side, is a perforated plate, the madreporic plate, actmg as a filter for enabling pure sea-water to enter the aciuiterous system of the animal. At the end of the rays are minute purple specks, supposed to be the organs of vision. On the under side the mouth is situated in the centre, and is furnished with an extensile proboscis, which the creature uses to suck out the soft parts of the animals on which It feeds. Extending outward from the mouth,. 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
