Abstract
In a previous paper (1934) it was shown that the life-cycle of S. trachea proceeds best when an intermediate host is involved. By means of Eisenia foetida, an annulate worm, it was possible to induce heavy and certain infestations of gapeworm in chickens with material obtained from the partridge, pheasant, rook and chicken. Other earthworms were shown to be possible intermediate hosts but this was found to be the best and most successful.

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