Bea yi Saas ae 
Address of Professor Huxley. 401 
for this reason, also, it presents the very singular peculiarity 
of being inherited only on the mother’s side. There is not a 
ence of the microscopic organism, Panhistophyton. 
Such being the facts with respect to the Pébrine, what are 
phyton is generated. If it may be generated by Abiogenesis, 
or by Xenogenesis, within the silkworm or its moth, the extir- 
place in the highest animals. Indeed, there is already cin 
ie of bullet or bayonet, 
octane Sneak 
and their increase and multiplication; and that the surgeon — 
who saves most lives will be ie who best works out the practi- 
cal consequences of the hypothesis of Redi aie 
T commenced this Address by asking you to follow mein an 
attempt to trace the path which has been followed by a scientific _ 
