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On some Digenetic Trematodes in Japan

Published online by Cambridge University Press:  06 April 2009

Harujiro Kobayashi
Harujiro Kobayashi
Affiliation:
Chosen Government-General Hospital, Korea, Japan.
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Extract

The present paper is the outcome of my examination of a collection of trematodes from various parts of Japan (including Formosa). The species of monostome came from a turtle caught in Singapore. Of the material certain species are left unidentified chiefly owing to the paucity of specimens. It may be mentioned that in the following description the parasites are arranged according to their hosts.

Type
Research Article
Information
Parasitology , Volume 12 , Issue 4 , December 1920 , pp. 380 - 410
Copyright
Copyright © Cambridge University Press 1920

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References

1 Kobayashi, H. (1917). On the life-history and morphology of the liver-distome (Clonorchis ainensis). Mitt. Med. Fachsch. Keijo, i.Google Scholar

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1 Since this description was written, I have read the paper by Railliet, A., Henry, A. et Joyeux, C. (1912), Sur deux Trématodes des Primates. Bull. Soc. Path. exot. v. My species resembles Eurytrema brumpti, as described by these authors, but differs from the latter in the smaller number of its vitelline glands and in the weaker development of the uterus.Google Scholar

1 Measurements from specimens preserved in alcohol, after fixation in sublimate solution under slight pressure.

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5 It is very probable that this species is identical with Watsonius watsoni collected by Joyeux from Cercophithecus callitrichus (A. Railliet, etc. Bull. Soc. Path. exot. v.).

1 Buttel-Reepen, H. von (1902). Zur Kenntniss der Gruppe des Distomum clavatum, etc. Zool. Jdhrb. Ab. Syst. etc. xvii.Google Scholar

1 In the description of this and other genera, Juel, H. O. (1889), Beiträge zur Anatomie der Trematodengattung Apoblema (Dujard.), Bih. Till. K. Svenslca Vet.-Akad. Handl. xv. afd. iv. No. 16; Lander (1904), The Anatomy of Hemiurus crenatus, etc. (Bull. Mus. Comp. Zool. Harvard, xlv.), and Looss (1908), Beiträge zur Systematik der Distomen. Zur Kenntnis der Familie Hemiuridae (Zool. Jahrb. Abt. Syst. etc. xxvi), note the presence of the receptaculum seminis, which has a peculiar structure. After my observation this so-called receptaculum seminia is nothing less than the blindly-ending Laurer's canal which is surrounded by a mass of vesicular cells. A diagrammatic figure of this part is given in P1. XXV, fig. 6. A similar structure is met with in Distomum sp. from Muraenesox cinereus, Brachyphallus sp., Lecithocladium sp. and Didymozoon sp., according to my observations.Google Scholar

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1 As measured in a preserved specimen.

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