. Bulletin - United States National Museum. Science. Fig. 424.—Ancyracanthopsis bihamata. a and b, Head end ; c and d, male tail; e, spicule; f, female tail; g, vulva. After Mueller, 1897 says his species is very close to it. As in it, his species does not have the " immersionssystem," a complicated system of connections be- tween the pinnate appendages and cervical sacs; Mueller made numerous longitudinal sections of the appendages. This system is present in the genus Ancyracanthus but apparently lacking in Ancyracanthopsis. The host difference between the two genera would also thro
. Bulletin - United States National Museum. Science. Fig. 424.—Ancyracanthopsis bihamata. a and b, Head end ; c and d, male tail; e, spicule; f, female tail; g, vulva. After Mueller, 1897 says his species is very close to it. As in it, his species does not have the " immersionssystem," a complicated system of connections be- tween the pinnate appendages and cervical sacs; Mueller made numerous longitudinal sections of the appendages. This system is present in the genus Ancyracanthus but apparently lacking in Ancyracanthopsis. The host difference between the two genera would also throw bihamatus into Ancyracanthopsis, the latter having been made for bird forms and Ancyracanthus left for fish and reptile forms. Family GNATHOSTOMIDAE R. Blanchard, 1895 Synonyms.—Cheiracanthidea Diesing, 1861; Oxyuridae Railliet and Henry, 1916, in part; Heterakidae Seurat, 1918, in part. Family diagnosis.—Spiruroidea (p. 162) : Mouth with 2 large tri- lobed, lateral lips, a longitudinal tooth-like ridge on their inner sur- face, meeting the one on the opposite side. Male with caudal alae more or less well-developed; two spicules. Female with vagina an-. 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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