Can some help me and send me a photocopy of the following paper: BRETHERTON, R.F.,1984: Monarchs on the move. Danaus plexippus (L) and D. chrysippus (L). Proc. Trans. Brit. ent. nat. Hist. Soc., 17: 65-66. Thanks to all.Paul Postal Address: Paul Sammut 'Fawkner', Dingli Road Rabat RBT 07 MALTA