. Bulletin - United States National Museum. Science. fOLYCHAETE WORMS, PART 1 301 Paraonis {Paraonis) gracilis (Tauber, 1879) Figure 7d,a-d Paraonis gracilis Eliason, 1920, p. 55.—Monro, 1930, p. 150, fig. 58,a-d.—Wesen- berg-Lund, 1950a, p. 32, pi. 7, fig. 34; 1951, p. 73; 1953, p. 59.—Uscliakov, 1955, p. 286, fig. 103,a,6.—Southward, 1956, p. 269.—Hartman, 1957, p. 330, pi. 44, figs. 4-5; 1960b, p. 110. Description.—Length up to 25 mm., width up to mm., seg- ments up to 100. Parapodia with notosetae long, slender, capillary, slightly limbate, becoming more slender posteriorly. Neurosetae
. Bulletin - United States National Museum. Science. fOLYCHAETE WORMS, PART 1 301 Paraonis {Paraonis) gracilis (Tauber, 1879) Figure 7d,a-d Paraonis gracilis Eliason, 1920, p. 55.—Monro, 1930, p. 150, fig. 58,a-d.—Wesen- berg-Lund, 1950a, p. 32, pi. 7, fig. 34; 1951, p. 73; 1953, p. 59.—Uscliakov, 1955, p. 286, fig. 103,a,6.—Southward, 1956, p. 269.—Hartman, 1957, p. 330, pi. 44, figs. 4-5; 1960b, p. 110. Description.—Length up to 25 mm., width up to mm., seg- ments up to 100. Parapodia with notosetae long, slender, capillary, slightly limbate, becoming more slender posteriorly. Neurosetae long, capillary. In more posterior segments (beginning on about setiger 20) neurosetae of two kinds: 1-3 very long, fine capillary setae; 3-6 short, stouter acicular setae in transverse row, with tips slightly curved, darker amber-colored basally (fig. 79d). Proboscis an eversible sac, somewhat lobulate, appearing ciliated. Anal end. Figure 79.—Paraonidae, a-d, Paraonis gracilis: a, lateral view anterior end; h, same, posterior end; c, branchial segment; d, posterior segment, e-f, Paraonis fulgens; e, branchial segment;/, posterior segment, g, Paraonis lyra, lyrate notoseta (after Southern, 1914).. 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 United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.
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