Osteology of the Soay sheep, J Clutton-Brock, K Dennis-Bryan, PL Armitage, PA Jewell, 1990, Bulletin British Museum (Natural History) Zoology Series 56 (1) 1-56 cheers julie Julie Hamilton 34 Ulfgar Rd OXFORD OX2 8AZ Tel: 01865 510800 Mobile: 07814 433424 e-mail: [log in to unmask]