. A textbook of invertebrate morphology [microform]. Invertebrates; Morphology (Animals); Invertébrés; Morphologie (Animaux). TYPE ECIIINODEltMA. fi41 I. Class Crinoidea. The Crinouls, or Sea-lilies (Fi<,^ 249), coustitute a group of forms whicli lii the earlier geological i)erioas reached a hi-h orade of developmeut, but to-day the class is represented by eumparatively few forms, for the most part couHued to deep. Fig. 24!d.—Pentiicvinus madenranus (after Wyville Thompson from Hertwig) water. One of the most characteristic features of the group IS the presence of n more or less elongated c
. A textbook of invertebrate morphology [microform]. Invertebrates; Morphology (Animals); Invertébrés; Morphologie (Animaux). TYPE ECIIINODEltMA. fi41 I. Class Crinoidea. The Crinouls, or Sea-lilies (Fi<,^ 249), coustitute a group of forms whicli lii the earlier geological i)erioas reached a hi-h orade of developmeut, but to-day the class is represented by eumparatively few forms, for the most part couHued to deep. Fig. 24!d.—Pentiicvinus madenranus (after Wyville Thompson from Hertwig) water. One of the most characteristic features of the group IS the presence of n more or less elongated cylindrical stalk one end of which is attached to stones or other objects which snrve 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, bookyear1896
