168 Transactions of the Boyal Microscopical Society, 
seeks the truth, and no alternative conclusion is possible. I enter- 
tain the firm hope that he will abandon his belief in spontaneous 
generation and in the proofs he supposes he has adduced. 
M. Pasteur, at the close of his paper, stated verbally that 
although the urine of a healthy man contains no extraneous germs 
of organic bodies, that in most cases it comes into contact with 
such germs at the moment of its emission at the extremity of the 
urethral canal, or in the surrounding air. He also described the 
very simple apparatus he employed to repeat Dr. Bastian's experi- 
ments with decisive results. It is a pity no details of this are 
given in ' Comptes Eendus.' 
Dr. Bastian's reply to Pasteur's criticism, and the latter's 
rejoinder, will be found in ' Comptes Eendus ' for July 31 and 
August 7 ; they add nothing to the preceding. 
