. Bulletin - United States National Museum. Science. PACIFIC TUNICATA OF NATIONAL MUSEUM 201. Figure S9.—Pyura curvigona Tokioka: a, 5 mm. individual; b, left half of mantle body, inner side; c, right half of same; d, ciliated groove. translucent in other parts of body. Musculature fairly well developed, salmon; consists of about 20 longitudinal muscles converging at branchial siphon, about V2 converging at atrial siphon and trans- verse muscles surrounding base of respective siphons. Branchial siphon subterminal, reddish; atrial short, situated near middle of body, both aperture
. Bulletin - United States National Museum. Science. PACIFIC TUNICATA OF NATIONAL MUSEUM 201. Figure S9.—Pyura curvigona Tokioka: a, 5 mm. individual; b, left half of mantle body, inner side; c, right half of same; d, ciliated groove. translucent in other parts of body. Musculature fairly well developed, salmon; consists of about 20 longitudinal muscles converging at branchial siphon, about V2 converging at atrial siphon and trans- verse muscles surrounding base of respective siphons. Branchial siphon subterminal, reddish; atrial short, situated near middle of body, both apertures 4-lobed. Branchial sac reddish orange, with six folds on each side. Inner longitudinal vessels arranged (D = dorsal, V== ventral) : 20 mm. lonfi individual (11) 3 (10) 4 (11) 3 (IK) 4 (l.^>) 4 (10) 5 V () 4 (12) 4 (1(1) 4 (10) ?> (14) .5 (13) 4 V .") mm. long; Individual (7) 1 (S) 1 (10) 2 (10) 2 (0) 2 (0) 1 V Transverse vessels arranged: thick thin luediiim (bin (hick, every in- terval intervened by pai'ast igniatic vessels. Jn smallest specimen, how- ever, thicker and tliiiiner vessels alternate rather regularly, para- Left Right Riglit IJ 1. 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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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience
