Davies, Ronald W.Anholt, Bradley Ralph2005-07-212005-07-211982NL Number: 63195http://hdl.handle.net/1880/22635Bibliography: p. 114-129.xiii, 129 leaves : ill. ; 30 cm.engUniversity of Calgary graduate students retain copyright ownership and moral rights for their thesis. You may use this material in any way that is permitted by the Copyright Act or through licensing that has been assigned to the document. For uses that are not allowable under copyright legislation or licensing, you are required to seek permission.QL 391 A6 A63 1982LeechesPredation (Biology)master thesis10.11575/PRISM/21252QL 391 A6 A63 1982