Dear Colleague, I would be very grateful for protocols, tips, & etc. for carrying out non-radioactive Southerns on Drosophila DNA. Thank you. Yours, John Ewer John Ewer Cornell University, Department of Entomology 5130 Comstock Hall, Ithaca, NY 14853, USA Phone: 607-255-1395 and 607-255-1496 Fax 607-255-0939 e-mail: je24 at cornell.edu