Studies on the Avian Species of the Cestode Family Hymenolepididae (Classic Reprint) - Hardcover

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Excerpt from Studies on the Avian Species of the Cestode Family Hymenolepididae<br/><br/>The internal parasites of American birds are little understood, and it was with the idea of' finding out something about the species of cestodes and extent of the infections that the investigations herein reported were undertaken. A considerable quantity of material was obtained from the collection of Professor H. B. Ward, who very kindly allowed me to use it. In order to augment this and to secure fresh material, the examination Of as large a number of additional hosts as possible was undertaken. While attending the session of the university-oi Washington Biological Station in the summer-oi 1923, 45 birds obtained in the region of Friday Harbor, Washington, were examined. A total of 537 hosts has been examined. There were 60 different species among these, and of this number 40 were found to be infected with cestodes. More than half of the specimens Of 31 Of the species were found to be infected. Since a comparatively small number of some of the host species was obtained, a further ysis of the records would be of little value at present.

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