- 2 - 
mosome of the host used since they will share homologous sequences. Furthermore, It 
will be a waste of time and money, and will defeat the purpose of the Guidelines, if 
researchers were forced by such a distinction to develop a new "natural" vector for 
every new bacterium simply to avoid regulations. 
Copies forwarded to: 
W. H. Gartland 
P. R. Day 
M. Zaitlin 
A. Kelman 
C. I. Kado 
A. K. Vidaver 
F. Ausubel 
Respectfully, 
Nickolas J. Panopoulos, Ph.D. 
Assistant Plant Pathologist, Lecturer 
R. Millar 
[Appendix A — 275] 
