Forty-Seven Authors in Search of a Conclusion

Virus Growth and Variation

Ninth Symposium of the Society for General Microbiology held at the Senate House, University of London, April 1959. Edited by A. Isaacs and B. W. Lacey. Pp. viii + 272. (Cambridge: At the University Press, 1959. Published for the Society for General Microbiology.) 35s. net.

Perspectives in Virology

A Symposium. Edited by Morris Pollard. Pp. xix + 312 + 2 plates. (New York: John Wiley and Sons, Inc.; London: Chapman and Hall, Ltd., 1959. Published for the Institute of Microbiology, Rutgers University.) 56s. net.

Advances in Virus Research

Vol. 6. Edited by Kenneth M. Smith and Max A. Lauffer. Pp. viii + 382. (New York: Academic Press, Inc.; London: Academic Books, Ltd., 1959.) 10 dollars.