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Re-redescription of Dissurus Farrukhabadi Verma91(1982) re-examined the type specimen of P. indicus Gupta PD. 1980. Further observations on Psilocolaris indicusand found the presence of collar spines and accepted Singh, 1954 with a note on its systematic position(Trematoda: Psilostomatidae). Bulletin of the Zoologicalthe views of Gupta (1980). Further, he considered P.Survey of India. 2: 217-218.singhi Pandey, 1975 as species inquirenda and alsotransferred D. setheae to the genus Stephanoprora Gupta R. 1962. Studies of trematode parasites of Indian birds.Odhner, 1902, due to presence of 22 collar spines, II. On Stephanoprora gigantics sp. nov. from the Blackneckedstorck, Xenorhynchus asiaticus (Latham).tandam testes lying in mid-third of body, vitellariaProceeding of the National Academy of science, India.extending form posterior testis to hind end and short 32:381-386.uterus. Srivastava (1982) further observed that D.setheae is probably a synonym of S. nigerica Gupta, Gupta R. 1963. On Stephanoprora nigerica sp. nov. with a briefreview of the genus Stephanoprora Odhner, 19051983. The authors are in agreement with the views of(Trematoda : Echinostomatidae). Zoological Anazica.Gupta (1980) and Srivastava (1982). 170:117-130.In the opinion of present authors D. xenorhynchiWahid, 1962 better fits under the genus StephanoproraOdhner, 1902 and shares most of its characters viz. theextension of the vitellaria, 22 collar spines, theposition of the testes and thickening in the wall of theoesophagus with S. gigantica Gupta (1962). Theformer, therefore, is considered a synonym of later.Gupta V and Saxena AM. 1986. On Psilocollaris guptai sp. nov.(Psilostomatidae : Trematoda) from the intestine of anIndian Stork, Leptonhilos dubius (Gmelin) from Lucknow.Indian Journal of Helmonthlogy. 37: 1-3.Pandey KC. 1975. Studies on some known and unknowntrematode parasites. Indian Journal of Zootomy. 14: 197-219.Singh KS. 1954. Psilocollaris indicus n.g., n. sp.Gupta and Saxena (1986), overlooking the synonymy(Psilostomatidae) from an Indian stork, Dissurus episcopusof Psilocollaris, described P. guptai form the intestine episcopus. Journal of the Washington Academy society. 44:of an Indian stork, Leptoptilos dubius form Lucknow 24-26.and differentiated it from the type species on suchSrivastava CB. 1974. A critical study of Verma's "Notes oncharacters as the muscular pharynx, position of the trematode parasites of Indian birds" based on his trematodetestes and the ovary. These characters are merely collection on Part 2. Family Echinostomatidae Dietz, 1909.intraspecific variations and, therefore, P. guptai is a Journal of the Zoological society of India. 24:160-191.synonym of D. farrukhabadi.Srivastava CB. 1982. The fauna of Indian and the adjacentThe present specimens of D. farrukhabadi differedcountries. Platyhelminthes Vol. I (Supplement) Trematoda -Digenea. Addition to Prof. H. R. Mehra's volume onfrom the previous descriptions in having a smallertrematoda - Digenea. Publ. by the Director, Zoolgicalbody, in the extensions of vitellaria from a little Survey of India, Calcultta, 163pp.anterior to overy instead of from the level of it, and inVerma SC. 1936. Notes on trematode parasites of Indian birds.having a smaller post-testicular space. ThesePart I Allababad University Studies. 12: 148-188.differences are considered as intraspecific variations.Wahid S. 1962. On a new trematode from Black-necked stork,REFERENCESXenorhynchus asiaticus. Journal of Helminthology. 36:Dwivedi MP. 1967. A new species of the genus Dissurus Verma, 211-214.1936 (Trematoda Echinostomatidae). Natural and AppliedScience Bulletin, 20: 267-275.