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A New Variety of Harmostomum opisthotrias from the North American Opossum, Didelphys virginiana, with a Discussion of its possible bearing on the Origin of its Host

Published online by Cambridge University Press:  06 April 2009

L. M. Dickerson
L. M. Dickerson
Affiliation:
Research Fellow in the Miller School of Biology and the Blandy Experimental Farm, University of Virginia.
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Extract

1. A new variety of the trematode Harmostomum opisthotrias is reported from the North American opossum.

2. Body proportions in this genus are more constant than linear dimensions and are, therefore, considered more desirable as a basis for taxonomic distinctions.

3. The occurrence of this parasite in a host with a range as limited and a phylogenetic position as critical as that of the opossums suggests the possibility of valuable information to be obtained through host-parasite relationship studies in this group. Investigators who are working with this material should keep the problem in mind.

Type
Research Article
Information
Parasitology , Volume 22 , Issue 1 , January 1930 , pp. 37 - 46
Copyright
Copyright © Cambridge University Press 1930

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