. A textbook in general zoology. Zoology. FiG. 219. — Honeycomb coral. pods. They were also very numerous in the seas at this time. This group differs from the trilobites in never hav- ing entirely passed out of existence, because some species, almost unchanged, are living at the present day. Corals. —There were corals also in those days. These were mainly of three kinds : the cup corals, honeycomb corals, and the chain corals. Their names indicate something of their shape and appear- ance. The cup corals were single, solitary polyps or groups of polyps, each more or less cup-shaped (Fig. 218)
. A textbook in general zoology. Zoology. FiG. 219. — Honeycomb coral. pods. They were also very numerous in the seas at this time. This group differs from the trilobites in never hav- ing entirely passed out of existence, because some species, almost unchanged, are living at the present day. Corals. —There were corals also in those days. These were mainly of three kinds : the cup corals, honeycomb corals, and the chain corals. Their names indicate something of their shape and appear- ance. The cup corals were single, solitary polyps or groups of polyps, each more or less cup-shaped (Fig. 218). The honey- Fig. 220. —Chain coral. comb corals were groups of polpys, each more or less polygonal in shape, hence resembUng a honeycomb (Fig. 219). The appearance of the chain corals may be seen. 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 Herrick, Glenn W. (Glenn Washington), 1870-1965. New York, Cincinnati [etc. ] American Book Company
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectzoology, bookyear1912
