FORM AND STRUCTURE OF MICROBES 69 



type from which the other is derived, or is it simply a 

 degenerated degraded form ? As far as bacteria are concerned, 



Fig. 34. — Bacillus BiUschlii. (After Schaudinn.) i to 6. stages of trans- 

 verse division without sporulation. — 7 to g. Rudimentary sexual 

 process. — 10 to 14. Spore formation. — 15 to 16. Spore germination. 



Schaudinn regarded the conjugation which exists in B 

 Butschlii as an evidence of sex, though rudimentary, degraded 

 and residual. Without absolutely excluding the possibility of 



