. Bulletin - United States National Museum. Science. 306 BULLETIN 140, UNITED STATES NATIONAL MUSEUM Male 19 to 32 mm. long by 700/* wide. In a 19 mm. specimen, caudal alae mm. long, cloacal aperture 950/* from caudal ex- tremity. According to Schneider's figure (fig. 3675), 4 pairs of lateral pedunculated papillae, 3 preanal ventral and 3 pairs of postanal ventral papillae. Seurat, however, describes 5 pairs of long pedunculated papillae, 4 of them in the cloacal region and the other pair midway between cloacal aperture and caudal end, and 11 median papillae, 3 of them just anterior and


. Bulletin - United States National Museum. Science. 306 BULLETIN 140, UNITED STATES NATIONAL MUSEUM Male 19 to 32 mm. long by 700/* wide. In a 19 mm. specimen, caudal alae mm. long, cloacal aperture 950/* from caudal ex- tremity. According to Schneider's figure (fig. 3675), 4 pairs of lateral pedunculated papillae, 3 preanal ventral and 3 pairs of postanal ventral papillae. Seurat, however, describes 5 pairs of long pedunculated papillae, 4 of them in the cloacal region and the other pair midway between cloacal aperture and caudal end, and 11 median papillae, 3 of them just anterior and 2 pairs just posterior to the cloacal aperture, the remainder more posterior. Spicules un- equal, the left 840/* long, slender and pointed, the right not over 400/* long and thicker than the left. Female mm. long by 660/* wide. Tail 240/* long, conical. Vulva not prominent, in anterior third of body, 3 mm. posterior. Figs. 366-368.—366, Physalopteka gemina. Male tail. After Linstow, 1899. 367, Physalopteka subalata. «, Lip ; b, male tail. After Schnei- der, 1866. 368, Physalopteka truncata. a, Lip ; h, male tail. After Schneider, 1866 to end of esophagus. Vagina 1 mm. long; egg chamber 750/* long; 2 uteri. Life history.—Unknown; probably involves intermediate stages in insects. Distribution.—South America (Brazil) and Europe (Corsica (San Martino)). PHYSALOPTEKA TRUNCATA Schneider, 1866 Hosts.—Primary : Gallus gallus and Phasianus gallus; secondary: Unknown. Location.—Proventriculus. Morphology.—Physaloptera (p. 295) : External median tooth on each lateral lip is widened anteriorly; the 3 denticles of the internal tooth are somewhat heart-shaped, with a cylindrical base and conical tip (fig. 368«).. 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


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