. Bulletin - United States National Museum. Science. FlQ. 48.—APSTEINIA PUNC- TATA, SOLITARY FORM, DORSAL VIEW SHOW- ING muscles. From Strieff (1908).. FlQ. 49.—APSTEINIA PUNCTATA, SOLITARY FORM, VIEWED FROM THE RIGHT SIDE. X 2 DIAMETERS. (Drawn by Hoyt S. Hopkins.) The oral muscles (fig. 51) include a dorsal retractor and a ventral retractor which posteriorly is bifurcated, its dorsal division running back along the side of the body in a horizontal plane, reaching beyond the posterior edge of the seventh body muscle (figs. 48 and 49). Its. Please note that these images are extracted from scan
. Bulletin - United States National Museum. Science. FlQ. 48.—APSTEINIA PUNC- TATA, SOLITARY FORM, DORSAL VIEW SHOW- ING muscles. From Strieff (1908).. FlQ. 49.—APSTEINIA PUNCTATA, SOLITARY FORM, VIEWED FROM THE RIGHT SIDE. X 2 DIAMETERS. (Drawn by Hoyt S. Hopkins.) The oral muscles (fig. 51) include a dorsal retractor and a ventral retractor which posteriorly is bifurcated, its dorsal division running back along the side of the body in a horizontal plane, reaching beyond the posterior edge of the seventh body muscle (figs. 48 and 49). Its. 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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