. Handbook of zoology [microform] : with examples from Canadian species, recent and fossil :. Zoology; Invertebrates; Zoologie; Invertébrés. 1. I 1 CHAPTER III. DESCRIPTIVE ZOOLOGY. Province Radiata. Parts arranged around a central axis—iVb dis- tinction between neural and hcemal sides—Nervous system nematoneurous, or not discernible. Class 1. Protozoa—Auimalculiio, Sponf^es. " 2. Acalephoi—Jelly-fishes, and Ilydroid Polyps. " 3. Anthozoa—Sea-anemones, Coral Animals. " 4. Echlnodcrmata—Sea-urchins, Star-fishes. Fig. DlAGKAMa OP TlADIATES . (A) Protozoan; (H) Ilydroid; (C) A
. Handbook of zoology [microform] : with examples from Canadian species, recent and fossil :. Zoology; Invertebrates; Zoologie; Invertébrés. 1. I 1 CHAPTER III. DESCRIPTIVE ZOOLOGY. Province Radiata. Parts arranged around a central axis—iVb dis- tinction between neural and hcemal sides—Nervous system nematoneurous, or not discernible. Class 1. Protozoa—Auimalculiio, Sponf^es. " 2. Acalephoi—Jelly-fishes, and Ilydroid Polyps. " 3. Anthozoa—Sea-anemones, Coral Animals. " 4. Echlnodcrmata—Sea-urchins, Star-fishes. Fig. DlAGKAMa OP TlADIATES . (A) Protozoan; (H) Ilydroid; (C) Authozoon; (D) Ecblnodorra; (a) Jlouth; (o) Ovary. Many naturalists have abandoned the Cuvierian province of Radiata, and have proposed to constitute the Protozoa a distinct province, to include the Acal- ephoe and Antliozoa in another sub-kingdom to be named that of the Coelenterata, and to associate the Eckinoderms with the Annelids. That this pro- posed improvement is founded on a misconception of the true plan of nature, I have no doubt; but as it. 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, bookdecade1870, booksubjectzoology, bookyear1870
