200 



MICRO-ORGANISMS AND FERMENTATION. 



|Ascospore-formation (Fig. 43, 6) : 

 At 35 C. no ascospores are developed. 



3334 the first indications are seen after 31 hours. 



33 

 31-5 

 29 

 25 



18 

 11 



4 no ascospores are developed. 

 Size of spores 2 5 /*. 

 Film-formation : 

 At 40 C. no film-formation occurs. 



3638 feebly-developed film-specks are 



seen after - 

 33-34 

 26-28 

 20-22 



(Fig. 59) i 



27 

 23 

 22 



27 

 42 



days. 



8-12 days. 

 3- 4 

 4-5 

 4-6 

 8-10 

 12 months. 

 5- 6 



13-15 



6- 7 



3- 5 



2 3 no film-formation occurs. 

 Microscopic appearance of the cells in the films : 

 At all temperatures, the same forms as in the sediment ; at 



FIG. 59. Saccharomyces ellipsoideus II. (HANSEN). Film-forms at 28 3* (after 



HAN SEN). 



and below 15C., the cells are only slightly more elongated 

 (Fig. 59). 



