t 



YEAST (SACCHAROMYCES CEREVISI/E) 



X 1000 



ASCOSPORE FORMATION IN YEAST 



(The capsule of the parent cell around the spores 



is invisible) 



X 1000 



MITROGEN FIXING BACTERIA FROM 

 ROOTLET-NODULES (SUBCULTURE) 



X 1000 



. ' 



\f. 



BACILLUS OF TETANUS 



(From broth culture, showing spore formation) 

 X 1000 



By permission of the Scientific Press^ Limited 



