. Fresh-water biology. Freshwater biology. PARASITIC FLATWORMS 445 92 (89) Root of cirrus with one or two pairs of powerful hooks lying in special pockets; genital canals pass between longitudinal excretory vessels. Gryporhynchus Nordmann 1832. (Syn. — Acanihocirrus Fuhrmann 1907.) Genital canals pass between the longitudinal excretory vessels. In genital atrium lateral to root of cirrus two special pockets with one or two pairs of powerful hooks in each. Uterus sac-Uke. Adults in birds. Three species or more in herons; not reported from North America. Fig. 752. Gryporhynchus cheilancristrotus


. Fresh-water biology. Freshwater biology. PARASITIC FLATWORMS 445 92 (89) Root of cirrus with one or two pairs of powerful hooks lying in special pockets; genital canals pass between longitudinal excretory vessels. Gryporhynchus Nordmann 1832. (Syn. — Acanihocirrus Fuhrmann 1907.) Genital canals pass between the longitudinal excretory vessels. In genital atrium lateral to root of cirrus two special pockets with one or two pairs of powerful hooks in each. Uterus sac-Uke. Adults in birds. Three species or more in herons; not reported from North America. Fig. 752. Gryporhynchus cheilancristrotus. Proglottid with contracted cirrus-pouch; short heavy hooks in pockets at opening of cirrus-pouch into genital cloaca. Magnified. (After Clerc.). 93 (86) Genital pores not unilateral but alternating 94 94 (97) Genital pores regularly alternating 95 9S (96) Rostellum with single crown of hooks. Less than 30 proglottids; scolex large; no neck. . Amoeboiaenia CohniSgg. Proglottids much broader than long. Testes rather numerous (12 or more), in posterior portion of segment. Uterus sac-like, fills entire medullary portion of terminal proglottids. Adults in birds. Four or five species, some in shore birds that occur in North 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 Ward, Henry Baldwin, 1865-1945; Whipple, George Chandler, 1866-1924. joint author. New York, John Wiley & sons, inc. ; [etc. ,etc. ]


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectfreshwa, bookyear1918