Abstract
An in vivo test is described for the screening of compounds for anthelmintic activity using Hymenolepsis nana var fraterna in mice. Results obtained with known taenicides and taenifuges are tabled, analysed and compared with their action against the tapeworms of larger animals including man.My thanks are due to Messrs Boots Pure Drug Co. for permission to publish, Mr J. W. G. Leiper, F.R.C.V.S. for his help and advice, and Miss J. Smith for her able technical assistance.