. A manual of zoology for the use of students : with a general introduction on the principles of zoology . Zoology. ANNULOSA: ANNELIDA. 197 elongated, and consists of a great number of similar segments, with rudimentary branchias. The head is distinct, and carries eyes and Teelers, whilst the mouth is furnished with a large proboscis, and often with two homy jaws (fig. 59). In the Eunicea the branchiae are usually well developed and of large size, and the mouth is armed with seven, eight, or nine horny jaws. Eunice gigantea attains sometimes a length of over four feet, and may consist of more


. A manual of zoology for the use of students : with a general introduction on the principles of zoology . Zoology. ANNULOSA: ANNELIDA. 197 elongated, and consists of a great number of similar segments, with rudimentary branchias. The head is distinct, and carries eyes and Teelers, whilst the mouth is furnished with a large proboscis, and often with two homy jaws (fig. 59). In the Eunicea the branchiae are usually well developed and of large size, and the mouth is armed with seven, eight, or nine horny jaws. Eunice gigantea attains sometimes a length of over four feet, and may consist of more than four hundred rings. Distribution of Annelida in Time.—Of the Annelida the only orders which are known to have left any traces of their existence in past time are the Tubicola and the Errantia; of which the former are known by their investing tubes, whilst. 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 Nicholson, Henry Alleyne, 1844-1899. New York : D. Appleton


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