Zoologische Jahrbücher . terior suckerround, not sinuous, embedded ventrally, just subterminal. Ovaryanterior to posterior sucker; Laurers canal opens medially in frontof median excretory outlet; festes lobulated, situated anterior toovary one in front of the other; pharynx club-shaped, muscular;small lateral buccal pouches: pigmented branches of excretory System,probably connected with the network of tubules in the skin. Cladorchis helostomatis n. sp, The second bottle coutained two specimens of a small trematode,one of which was cut into sagittal sections. after being comparedwith the other.
Zoologische Jahrbücher . terior suckerround, not sinuous, embedded ventrally, just subterminal. Ovaryanterior to posterior sucker; Laurers canal opens medially in frontof median excretory outlet; festes lobulated, situated anterior toovary one in front of the other; pharynx club-shaped, muscular;small lateral buccal pouches: pigmented branches of excretory System,probably connected with the network of tubules in the skin. Cladorchis helostomatis n. sp, The second bottle coutained two specimens of a small trematode,one of which was cut into sagittal sections. after being comparedwith the other. The Worms were found in the stomach of Helostoma temminchi(K. et V. H.) which is a labjTinth fish also collected in Palembang, Sumatra. 45* 674 W. G. MacCallum, They are about 3 mm in leiigth and 1,5 mm in breadtli at tlie widest part and of a yellowish-brown color as they lie in the formalin Solution. The posterior sucker, as may be seen in the Sketch, is the most conspicuous featuie, being- especially large and ..-Exl. Fig. A. CladorcMs patujasü n. sp. Ventral surface. A buccal poucli. Go genital cloaca. Exk excretory canal witli pigmented walls. H testes. Lc Laurers canal. Oo ovarv. Exo excretory orifice. On two new Araphistome parasites of Siimatrau fishes. 675 characterised by its , sinuous, puckered outline, tliree spout-like projections extending out backward. The sucker is capacious,rather tliin-walled, and bounded in front by the hood-like anteriormarg-in. The worms have been fixed in such a position that in onethe dorsal surface is concave and the head end therefore turned
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectz, booksubjectzoology
