Wagtail, flukes reared by Zeller in the, [436]
Wallaby, Filaria from the abdomen of a, [433]
" tapeworms observed in the, [432]
Warblers, development of flukes in, [435]
Warbles formed by the larvæ of Œstrus, [351]
Wasps (Vespa), Sphærularia in, [481]
Water-hen, worms found in the legs of the, [447]
Water-turkeys, worms in the cranium of, [446]
Weasles, internal parasites of, [298]
" source of tapeworms in, [296]
Whale-lice (Cyami and Pycnogonidæ), [428]
" (Cyamidæ), zoological position of, [5]
Whale-worms found by John Hunter, [427]