Hostname: page-component-586b7cd67f-t7czq Total loading time: 0 Render date: 2024-11-28T05:17:39.472Z Has data issue: false hasContentIssue false
  • English
  • Français

Notes on a New Protozoon, Piridium sociabile n.gen., n.sp., from the Foot of Buccinum undatum

Published online by Cambridge University Press:  06 April 2009

Ruth Patten
Ruth Patten
Affiliation:
From the Department of Zoology, Trinity College, Dublin
Get access Rights & Permissions [Opens in a new window]

Extract

The earliest stages found are groups of small bodies, 1·8 or 2·0μ in diameter. These groups are probably taken up by phagocytic cells and pass through the epithelium of the host into the connective tissue, where a cyst is formed by the host. Within the cyst the bodies grow. In many cysts there is a differentiation into two types: the larger, when mature, attain 40μ in size, are shaped like a pear, and contain at the broad end a chromatic rod. The small bodies reach 3Oμ in length, are also somewhat piriform, and contain two similar structures attached to their nuclei. In some cysts large bodies alone are found.

Development is periodic, the youngest stages being found from January to March and the parasites not reaching maturity until September–November.

Type species P. sociabile, with the features mentioned above: found near the ventral surface of the foot of Buccinum undatum.

Type
Research Article
Information
Parasitology , Volume 28 , Issue 4 , October 1936 , pp. 502 - 516
Copyright
Copyright © Cambridge University Press 1936

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

Brasil, L. (1902). Joyeuxella toxoides n.g., n.sp., sporozoaire parasite de l'épithblium intestinal de Lagis koreni Maigren. Arch. Zool. exp. gén. No. 1, p. 1.Google Scholar
Brasil, L. (1906). Eleutheroschizon duboscqi, sporozoaire nouveau parasite de Scoloplos armiger O. F. Müller. Arch. Zool. exp. gén. 4, xvii.Google Scholar
Caullery, M. & Mesnil, F. (1899). Sur quelques parasites internes des Annélides. Miscellanées biologiques, dédiées à Giard. Paris. [Original not seen, quoted from Fantham.]Google Scholar
Fantham, H. B. (1908). The schizogregarines: a review and a new classification. Parasitology, 1, 369.CrossRefGoogle Scholar
Hatt, P. (1931). L'évolution des Porosporides chez les Mollusques. Arch. Zool. exp. gén. 72, 341.Google Scholar
Léger, L. & Duboscq, O. (1915). Étude sur Spirocystis nidula Lég. & Dub. Schizogrégarine du Lumbriculus variegatus Müll. Arch. Protistenk. 35, 199.Google Scholar
Mackinnon, D. L. & Ray, H. N. (1933). The life cycle of two species of “Selenidium” from the Polychaete worm, Potamilla reniformis. Parasitology, 25, 143.CrossRefGoogle Scholar
Minchin, E. A. (1912). An Introduction to the Study of the Protozoa. London: Edward Arnold.Google Scholar
Naville, A. (1931). Les Sporozoaires (cycles chromosomiques et sexualité). Mém. Soc. Phys. Genéve, 41, fasc. i, p. 1.Google Scholar
Nusbaum, J. (1903). Über the…Fortpflanzung einer…Gregarine, Schaudinella henleae. Z. wise. Zool. 75, 281.Google Scholar
Patten, R. (1935). The life history of Merocystis kathae in the whelk, Buccinum undatum. Parasitology, 27, 399.CrossRefGoogle Scholar
Ray, H. N. (1930 a). Studies on some Sporozoa in polychaete worms. I. Gregarines of the genus Selenidium. Parasitology 22, 370.CrossRefGoogle Scholar
Ray, H. N. (1930 b). Studies on some Sporozoa in polychaete worms. II. Dorisiella scolelepulis n.gen., n.sp. 22, 471.Google Scholar
Wenyon, C. M. (1926). Protozoology. Svo. 2 vols. London: Baihiére, Tindall and Cox.Google Scholar