2 Present address : Department of Viral Oncology, Roswell Park Memorial Institute, Buffalo, New York. Received for publication November 20, 1964. i.m. sites, even though primary implants grew in the latter 3 sites for 1—3weeks. This observation supports the con cept that the hamster pouch is an immunologically privi leged site similar to the anterior chamber of the eye and the brain (5, 6). T...
