No. 493] 



Hi.' author observes, in rectal contents will 



the seventh to the ninlli day of such ;i mil 

 either an encysted form (permanent c\ 

 which reproduces hy division for several 



evidence makes it probable that all stages 

 single host in the greater number of ease- 

 scription of conjugation thus far published 

 arouse suspicion. What is true of trypan* 

 characteristic of spiroeha-tes. a field of rese 



jugation, and needless to say none that hi 

 acceptable. The latest 

 Fantham on the relative 



helix of chromatin which is spindly woui 

 larger granules of chromatin are suspendei 



tion both of this form and of N. <iii<»<l<ni/,i is 

 occasionally transverse division, both types 

 to the author. Conjugation 

 1 he majority of recent writers 

 poses a new group for them i 

 and the bacteria, lie suggests 



tions, however, can do no good 

 eonl'use an already mixed up 



