ILLUSTRATIONS. 



PLATES. 



Page, 



PLATE I. Penicillium. Fig. 1. Conidia, normal growth and in various stages 

 of germination, some with branching hyphse. Fig. 2. Conidio- 

 phore, showing unusually large development of conidia; from cul- 

 ture in moist chamber 28 



II. Cultures from ketchup preserved with sodium benzoate. Fig. 1. 

 Conidia and hyphse from culture in experimental ketchup con- 

 taining one-sixteenth of 1 per cent of sodium benzoate. Fig. 2. 

 Conidia and hyphse from culture in experimental ketchup contain- 

 ing one-tenth of 1 per cent of sodium benzoate 28 



TEXT FIGURES. 



FIG. 1. A model receiving platform 8 



2. Large receiving room showing the sorting belt 9 



3. A section of a kitchen showing the copper cookers 10 



4. An example of factory practice 12 



5. Another factory interior 14 



6 



