. Bulletin - United States National Museum. Science. 338 BULLETIN 140, UNITED STATES NATIONAL MUSEUM of 913/a ; the protruding posterior part of body is 860/* long. Buccal capsule 35 to 38/x long by 10/* wide; pharynx 300 to 315/* long by 27/* wide; esophagus mm. long by 50/* minimum and 125/* maximum width. Nerve ring 183/* from cephalic extremity. Intestine saccular, filled with black detritus. Anus 332/*, vulva 631 to 664/* from caudal extremity. Vestibule of ovejector with diverticulum or copulatory receptaculum (fig. 402 e) 274/* long. Uteri and ovaries very long, their numerous coils
. Bulletin - United States National Museum. Science. 338 BULLETIN 140, UNITED STATES NATIONAL MUSEUM of 913/a ; the protruding posterior part of body is 860/* long. Buccal capsule 35 to 38/x long by 10/* wide; pharynx 300 to 315/* long by 27/* wide; esophagus mm. long by 50/* minimum and 125/* maximum width. Nerve ring 183/* from cephalic extremity. Intestine saccular, filled with black detritus. Anus 332/*, vulva 631 to 664/* from caudal extremity. Vestibule of ovejector with diverticulum or copulatory receptaculum (fig. 402 e) 274/* long. Uteri and ovaries very long, their numerous coils filling the body cavity. Eggs 42 to 50/* by 25/*. The American form of Tetrameres from the chicken, as described above, differs from the two forms reported from other countries from. /mm oimm Fig. 402.—Tetrameres Americana, a, Head of male ; b, junction of testis and vas deferens ; c, head end of female j d, junction of uterus and ovary; c, copulatoey receptaculum of female; f, cross-section of female. Original that host, T. ftssispina and T. confusa, in numerous respects, as length of buccal capsule, pharynx, and esophagus, distance of anus and vulva from posterior extremity in the female and of cloacal aperture in the male, position of cervical papillae, and length of the diverticulum or copulatory receptaculum of the female. Life history.—Probabry similar in a general way to that of T. flssispina (p. 343). Distribution.— (North America (United States)). Type material.—No. 26382, (Bureau of Animal Industry Helminthological Collection). TETRAMERES CERTA (Leidy, 188G) Travassos, 1914 Synonyms.—FUaria dubia Leidy, 1856, not Filaria dubia Creplin, 1846; Tropidocerca certa Leidy, 1886. Although there is a question as to whether Creplin meant the combination, Filaria dubia, as a specific name, it is in the interests of. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appe
Size: 2112px × 1183px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience
