. A textbook of invertebrate morphology [microform]. Invertebrates; Morphology (Animals); Invertébrés; Morphologie (Animaux). m wmm TYPK KCmyODKUMA. 541 I. Clahs Ckinoidea. The Criuoula, or Sea-lilies ( Ki^. '24U), coiistitute ii j^roup of i'urmH wliicli in the earlier geolo^icHl perioiLs reaciieil a liij^li j^rade of developnitiiit, but to-«lay tlie class is represeiitod by couiparutively few Tonus, for the uiost part eoutiued to deep. PlO. 249.—Pentaerinus marlearnnua (after Wyville Thomphon from IIertwio). water. One of the most characteristic features of the j^roup is the presence of a mor
. A textbook of invertebrate morphology [microform]. Invertebrates; Morphology (Animals); Invertébrés; Morphologie (Animaux). m wmm TYPK KCmyODKUMA. 541 I. Clahs Ckinoidea. The Criuoula, or Sea-lilies ( Ki^. '24U), coiistitute ii j^roup of i'urmH wliicli in the earlier geolo^icHl perioiLs reaciieil a liij^li j^rade of developnitiiit, but to-«lay tlie class is represeiitod by couiparutively few Tonus, for the uiost part eoutiued to deep. PlO. 249.—Pentaerinus marlearnnua (after Wyville Thomphon from IIertwio). water. One of the most characteristic features of the j^roup is the presence of a more or less ehiugated cylindrical stalk, one end of which is attached to stones or other objects which serve as supports for the animal, while at the other end is the body proper, which has a more or less cuplike form. In the peculiar genus Ilolopus the stalk is thick and short, and may be described rather as the prolonged apex of the body. 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 McMurrich, J. Playfair (James Playfair), 1859-1939. New York : H. Holt
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Keywords: ., bookcentury1800, bookdecade1890, bookpublishernewyo, bookyear1894
