. Bulletin - United States National Museum. Science. 156 BULLETIN HO, UNITED STATES NATIONAL MUSEUM Interlabia low, anteriorly rounded. Esophagus 1/6 of total length, with appendix equal to 3/5 the length of the former; cecum extend- ing anteriorly from the intestine for 5/6 the length of the esophagus. Male 29 mm. long by 880/* wide. Tail 1/124 of total length. Ten pairs of pre- and post-anal papillae. Spicules mm. long. Female 44 mm. long by mm. wide. Tail 1/78 of total length. Vulva anterior to middle of body. Eggs 68/* long by 57/* wide. Life history.—Unknown. Distribution.—Europe
. Bulletin - United States National Museum. Science. 156 BULLETIN HO, UNITED STATES NATIONAL MUSEUM Interlabia low, anteriorly rounded. Esophagus 1/6 of total length, with appendix equal to 3/5 the length of the former; cecum extend- ing anteriorly from the intestine for 5/6 the length of the esophagus. Male 29 mm. long by 880/* wide. Tail 1/124 of total length. Ten pairs of pre- and post-anal papillae. Spicules mm. long. Female 44 mm. long by mm. wide. Tail 1/78 of total length. Vulva anterior to middle of body. Eggs 68/* long by 57/* wide. Life history.—Unknown. Distribution.—Europe (Germany (Berlin Museum)). CONTRACAECUM PRAESTRIATUM Monnig, 1923 —Podiceps capensis. Location.—Not given. Morphology.—Contracaecwm (p. 146) : Color striations, 38/* wide, very marked in anterior 1/3 white. Cuticular of bodv, then slid-. 22$ 229. Figs. 227-229,—227, Contracaeccm ovale. Head. After Lin stow, 1907. 223, contracaecum ruaestriatum". anterior end. 229, male tail. after mottnig, 1923 denly becoming finer. Lips (fig. 228) thick and broad, of equal size, the dorsal with 2 papillae, the others with 1, all the papillae being double. Interlabia short, triangular with very broad base. No dentigerous ridges. Esophagus mm. long; posteriorly directed appendix 2 mm. long; anteriorly directed intestinal cecum mm. long, in a female 30 mm. long. Male 20 mm. long by 650/* wide. Tail (fig. 229) 160/* long. Five pairs of postanal papillae, 4 of which are grouped together just below the middle of the tail and the fifth pair, of double papillae, just posterior to cloacal aperture. At least 18 pairs of preanal papillae extending about mm. anterior to cloacal aperture. Spicules equal, mm. long, alate; a small gubernaculum present, 120/* 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 or
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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience
