Date of this Version

3-1919

Document Type

Article

Citation

Journal of Parasitology (March 1919) 5(3): 116-122, + 1 plate.

Comments

Public domain material.

Abstract

It has recently been pointed out by Ward and Magath (1916) that the nematode fauna of North American freshwater fishes is almost unknown. From a survey of the literature this state of affairs appears to be almost if not quite as true of the nematodes of other cold-blooded vertebrates in North America.

While making stomach examinations of the Western Newt or water-dog, Notophthalmus torosus, the writer found a large percent of specimens captured in the vicinity of Corvallis, Oregon, infested by a nematode which was evidently a species of Hedruris. The structure and ecology of this worm are so unique and proved so interesting and the references to it in the literature are either so slight or so difficult of access, that it seemed worth while to draw the attention of American helminthologists to it. Hitherto the members of the genus Hedruris have been looked upon as rare worms, and many helminthologists are no doubt unfamiliar with them.

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